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  • ISO 724:1993

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    ISO general-purpose metric screw threads — Basic dimensions

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  04-21-2023

    Language(s): 

    Published date:  10-07-1993

    Publisher:  International Organization for Standardization

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    Abstract - (Show below) - (Hide below)

    Specifies the basic dimensions of metric threads in accordance with ISO 261. The basic dimensions are: basic major diameter of internal or external thread (nominal diameter), basic pitch diameter of internal or external thread, basic minor diameter of internal or external thread, height of fundamental triangle, pitch. The values refer to the basic profile in accordance with ISO 68.

    General Product Information - (Show below) - (Hide below)

    Committee ISO/TC 1
    Document Type Standard
    Publisher International Organization for Standardization
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS EN 20898-6:1992 MECHANICAL PROPERTIES OF FASTENERS - NUTS WITH SPECIFIED PROOF LOAD VALUES. FINE PITCH THREAD
    10/30231432 DC : 0 BS EN ISO 10439-1 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - AXIAL AND CENTRIFUGAL COMPRESSORS AND EXPANDER-COMPRESSORS - PART 1: GENERAL REQUIREMENTS
    CEI EN 61056-2 : 2014 GENERAL PURPOSE LEAD-ACID BATTERIES (VALVE-REGULATED TYPES) - PART 2: DIMENSIONS, TERMINALS AND MARKING
    14/30288036 DC : 0 BS ISO 13948-1 - DIESEL ENGINES - FUEL INJECTION PUMPS AND FUEL INJECTOR - PART 1: THREADED CONNECTIONS
    PD ISO/TS 13399-50:2013 Cutting tool data representation and exchange Reference dictionary for reference systems and common concepts
    NF ISO 4144 : 2009 PIPEWORK - STAINLESS STEEL FITTINGS THREADED IN ACCORDANCE WITH ISO 7-1
    DIN ISO 261:1999-11 ISO general purpose metric screw threads - General plan (ISO 261:1998)
    BS ISO 7041:2012 Prevailing torque type hexagon nuts (with non-metallic insert), style 2. Property classes 9 and 12
    03/319369 DC : DRAFT NOV 2003 ISO 16047 - FASTENERS - TORQUE/CLAMP FORCE TESTING
    10/30199074 DC : 0 BS ISO 6162-1 - HYDRAULIC FLUID POWER - FLANGE CONNECTORS WITH SPLIT OR ONE-PIECE FLANGE CLAMPS AND METRIC OR INCH SCREWS - PART 1: FLANGE CONNECTORS FOR USE AT PRESSURES OF 3,5 MPA (35 BAR) TO 35 MPA (350 BAR), DN 13 TO DN 127
    BS ISO 14541:2013 HYDRAULIC FLUID POWER - DIMENSIONS AND REQUIREMENTS FOR SCREW-TO-CONNECT QUICK-ACTION COUPLINGS FOR GENERAL PURPOSE
    16/30328245 DC : 0 BS ISO 6164 - HYDRAULIC FLUID POWER - FOUR-SCREW, ONE-PIECE SQUARE FLANGE CONNECTIONS FOR USE AT PRESSURES OF 42 MPA, DN 10 TO 80
    ISO 7720:2012 Prevailing torque type all-metal hexagon nuts, style 2 Property class 9
    16/30337587 DC BS EN ISO 7042. Prevailing torque (all-metal) hexagon high nuts. Product grades A and B
    I.S. EN 22857:1990 GROUND THREAD TAPS FOR ISO METRIC THREADS OF TOLERANCES 4H TO 8H AND 4G TO 6G COARSE AND FINE PITCHES - MANUFACTURING TOLERANCES ON THE THREADED PORTION
    16/30337622 DC : DRAFT MAR 2016 BS EN ISO 8674 - HEXAGON HIGH NUTS (STYLE 2), WITH FINE PITCH THREAD - PRODUCT GRADES A AND B
    10/30227442 DC : 0 BS EN ISO 13710 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - RECIPROCATING POSITIVE DISPLACEMENT PUMPS
    16/30337569 DC : 0 BS EN ISO 4034 - HEXAGON REGULAR NUTS (STYLE 1) - PRODUCT GRADE C
    16/30337594 DC : DRAFT APR 2016 BS ISO 7044 - PREVAILING TORQUE (ALL-METAL) HEXAGON HIGH NUTS WITH FLANGE - PRODUCT GRADES A AND B
    DIN 13-10:1999-11 ISO general purpose metric screw threads - Part 10: Nominal sizes for 6 mm fine pitch threads; nominal diameter from 70 mm to 500 mm
    API 685 : 2011 SEALLESS CENTRIFUGAL PUMPS FOR PETROLEUM, PETROCHEMICAL, AND GAS INDUSTRY PROCESS SERVICE
    DIN EN 14218 E : 2003 HEXAGON NUTS WITH FLANGE - FINE PITCH THREAD
    API 674 : 2010 : ERR 1 : 2014 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    17/30332783 DC : 0 BS ISO 5145 - GAS CYLINDERS - CYLINDER VALVE OUTLETS FOR GASES AND GAS MIXTURES - SELECTION AND DIMENSIONING
    API 674 : 2010 : INC : ERR 1 : 2015 : R2016 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    BIS IS 1363-3 : 2002 HEXAGON HEAD BOLTS, SCREWS AND NUTS OF PRODUCT GRADE 'C' - PART 3: HEXAGON NUTS (SIZE RANGE M 5 TO M 64)
    API 677 : 2006 : R2010 GENERAL-PURPOSE GEAR UNITS FOR PETROLEUM, CHEMICAL AND GAS INDUSTRY SERVICES
    BIS IS 12427 : 2001 FASTENERS - THREADED STEEL FASTENERS - HEXAGON HEAD TRANSMISSION TOWER BOLTS - SPECIFICATION
    ISO 4161:2012 Hexagon nuts with flange, style 2 — Coarse thread
    ISO 6164:1994 Hydraulic fluid power Four-screw, one-piece square-flange connections for use at pressures of 25 MPa and 40 MPa (250 bar and 400 bar)
    ISO 9873:2017 Dentistry Intra-oral mirrors
    ONORM EN ISO 15245-1 : 2013 GAS CYLINDERS - PARALLEL THREADS FOR CONNECTION OF VALVES TO GAS CYLINDERS - PART 1: SPECIFICATION (ISO 15245-1:2001 + AMD 1:2013)
    BS EN 61056-2:2012 GENERAL PURPOSE LEAD-ACID BATTERIES (VALVE-REGULATED TYPES) - PART 2: DIMENSIONS, TERMINALS AND MARKING
    UNI EN ISO 8676 : 2011 HEXAGON HEAD SCREWS WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    NF ISO 6164 : 2004 HYDRAULIC FLUID POWER - FOUR-SCREW, ONE-PIECE SQUARE-FLANGE CONNECTIONS FOR USE AT PRESSURES OF 25 MPA AND 40 MPA (250 BAR AND 400 BAR)
    EN 13001-3-6:2018 Cranes - General design - Part 3-6: Limit states and proof of competence of machinery - Hydraulic cylinders
    BIS IS 1364-6 : 2002 HEXAGON HEAD BOLTS, SCREWS AND NUTS OF PRODUCT GRADES A AND B - PART 6: HEXAGON NUTS, STYLE 2
    ISO 14541:2013 Hydraulic fluid power — Dimensions and requirements for screw-to-connect quick-action couplings for general purpose
    EN ISO 4016:2011 Hexagon head bolts - Product grade C (ISO 4016:2011)
    EN ISO 4014:2011 Hexagon head bolts - Product grades A and B (ISO 4014:2011)
    DIN EN ISO 7719:2016-05 (Draft) PREVAILING TORQUE TYPE ALL-METAL HEXAGON REGULAR NUTS - PROPERTY CLASSES 5, 8 AND 10 (ISO 7719:2012)
    DIN EN ISO 10512:2016-05 (Draft) PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) WITH METRIC FINE PITCH THREAD - PROPERTY CLASSES 6, 8 AND 10 (ISO 10512:2012)
    DIN EN 1591-1:2014-04 FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATION
    DIN EN ISO 7040:2016-05 (Draft) PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) - PROPERTY CLASSES 5, 8 AND 10 (ISO 7040:2012)
    BS EN ISO 10806:2003 Pipework. Fittings for corrugated metal hoses
    DIN EN ISO 21670:2014-09 FASTENERS - HEXAGON WELD NUTS WITH FLANGE (ISO 21670:2014)
    UNE-EN ISO 4033:2013 Hexagon high nuts (style 2) - Product grades A and B (ISO 4033:2012)
    UNE-EN ISO 898-1:2015 Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread (ISO 898-1:2013)
    BS EN ISO 10442:2002 Petroleum, chemical and gas service industries. Packaged, integrally geared centrifugal air compressors
    UNE-EN ISO 4014:2011 Hexagon head bolts - Product grades A and B (ISO 4014:2011)
    BS EN ISO 4032:2012 Hexagon regular nuts (style 1). Product grades A and B
    UNE-EN ISO 4032:2013 Hexagon regular nuts (style 1) - Product grades A and B (ISO 4032:2012)
    BS EN ISO 7719:2012 Prevailing torque type all-metal hexagon regular nuts. Property classes 5, 8 and 10
    BS EN ISO 10437:2003 Petroleum, petrochemical and natural gas industries. Steam turbines. Special-purpose applications
    ISO 8673:2012 Hexagon regular nuts (style 1) with metric fine pitch thread — Product grades A and B
    BS EN 14218:2003 Hexagon nuts with flange. Fine pitch thread
    BS EN 1662:1998 HEXAGON BOLTS WITH FLANGE - SMALL SERIES (ISO/DIS 15071:1996, MODIFIED)
    ISO 4016:2011 Hexagon head bolts Product grade C
    UNE-EN ISO 10513:2013 Prevailing torque type all-metal hexagon high nuts with metric fine pitch thread - Property classes 8, 10 and 12 (ISO 10513:2012)
    I.S. EN ISO 4034:2012 HEXAGON REGULAR NUTS (STYLE 1) - PRODUCT GRADE C (ISO 4034:2012)
    DIN EN 20898-2:1994-02 MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH COARSE PITCH THREAD AND SPECIFIED PROOF LOAD VALUES
    I.S. EN ISO 4018:2011 HEXAGON HEAD SCREWS - PRODUCT GRADE C
    I.S. EN ISO 4014:2011 HEXAGON HEAD BOLTS - PRODUCT GRADES A AND B
    DIN EN ISO 4017:2015-05 Fasteners - Hexagon head screws - Product grades A and B (ISO 4017:2014)
    EN ISO 4034:2012/AC:2013 HEXAGON REGULAR NUTS (STYLE 1) - PRODUCT GRADE C (ISO 4034:2012/COR 1:2013)
    EN 61056-2:2012 General purpose lead-acid batteries (valve-regulated types) - Part 2: Dimensions, terminals and marking
    NF EN ISO 4018 : 2011 HEXAGON HEAD SCREWS - PRODUCT GRADE C
    DIN EN 1665 : 2007-07 HEXAGON BOLTS WITH FLANGE - HEAVY SERIES
    DIN EN 1662:1998-02 HEXAGON BOLTS WITH FLANGE, SMALL SERIES
    DIN EN 14219 E : 2003 HEXAGON BOLTS WITH FLANGE WITH METRIC FINE PITCH THREAD - SMALL SERIES
    DIN 13-5:1999-11 ISO general purpose metric screw threads - Part 5: Nominal sizes for 1 mm and 1,25 mm fine pitch threads; nominal diameter from 7,5 mm to 200 mm
    ISO 10945:1994 Hydraulic fluid power Gas-loaded accumulators Dimensions of gas ports
    16/30290140 DC : 0 BS EN ISO 8434-1 - METALLIC TUBE CONNECTIONS FOR FLUID POWER AND GENERAL USE - PART 1: 24 DEGREES CONE CONNECTORS
    BS ISO 7720:2012 Prevailing torque type all-metal hexagon nuts, style 2. Property class 9
    16/30337618 DC : 0 BS EN ISO 8675 - HEXAGON THIN NUTS (STYLE 0) CHAMFERED, WITH FINE PITCH THREAD - PRODUCT GRADES A AND B
    DIN 13-1:1999-11 ISO general purpose metric screw threads - Part 1: Nominal sizes for coarse pitch threads; nominal diameter from 1 mm to 68 mm
    16/30337626 DC : 0 BS EN ISO 8673 - HEXAGON REGULAR NUTS (STYLE 1), WITH FINE PITCH THREAD - PRODUCT GRADES A AND B
    BS ISO 13948-1:2015 DIESEL ENGINES - FUEL INJECTION PUMPS AND FUEL INJECTOR LOW-PRESSURE CONNECTIONS - PART 1: THREADED CONNECTIONS
    11/30232899 DC : 0 BS ISO 6162-2 - HYDRAULIC FLUID POWER - FLANGE CONNECTIONS WITH SPLIT OR ONE-PIECE FLANGE CLAMPS AND METRIC OR INCH SCREWS - PART 2: FLANGE CONNECTORS, PORTS AND MOUNTING SURFACES FOR USE AT A PRESSURE OF 42 MPA (420 BAR), DN 13 TO DN 76
    BS 7201-2:1995 HYDRAULIC FLUID POWER - GAS-LOADED ACCUMULATORS - DIMENSIONS OF GAS PORTS
    NF ISO 261 : 1999 ISO GENERAL PURPOSE METRIC THREADS - GENERAL PLAN
    API 677 : 2006 : R2016 GENERAL-PURPOSE GEAR UNITS FOR PETROLEUM, CHEMICAL AND GAS INDUSTRY SERVICES
    BS ISO 261:1998 ISO general purpose metric screw threads. General plan
    API 674 : 2010 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    I.S. EN 61056-2:2012 GENERAL PURPOSE LEAD-ACID BATTERIES (VALVE-REGULATED TYPES) - PART 2: DIMENSIONS, TERMINALS AND MARKING (IEC 61056-2:2012 (EQV) + CORRIGENDUM OCT. 2012 (EQV))
    ISO 6302:1993 Earth-moving machinery Drain, fill and level plugs
    I.S. EN ISO 9873:2017 DENTISTRY - INTRA-ORAL MIRRORS (ISO 9873:2017)
    ISO/TR 16224:2012 Technical aspects of nut design
    SAE J 518/3 : 2015 HYDRAULIC FLANGE CLAMPS, 2-SCREW FLANGE CONNECTION TO BE USED WITH SAE J518-1, (CODE 61) CONNECTIONS WHERE ONLY LOW PRESSURE IS REQUIRED
    UNI EN ISO 15245-1 : 2013 GAS CYLINDERS - PARALLEL THREADS FOR CONNECTION OF VALVES TO GAS CYLINDERS - PART 1: SPECIFICATION
    DIN EN 1664:1998-02 PREVAILING TORQUE TYPE - ALL-METAL HEXAGON NUTS WITH FLANGE
    DIN EN ISO 8675:2016-05 (Draft) HEXAGON THIN NUTS CHAMFERED (STYLE 0) WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B (ISO 8675:2012)
    DIN EN ISO 898-1:2013-05 MECHANICAL PROPERTIES OF FASTENERS MADE OF CARBON STEEL AND ALLOY STEEL - PART 1: BOLTS, SCREWS AND STUDS WITH SPECIFIED PROPERTY CLASSES - COARSE THREAD AND FINE PITCH THREAD (ISO 898-1:2013)
    DIN EN ISO 8676:2011-07 Hexagon head screws with metric fine pitch thread - Product grades A and B (ISO 8676:2011)
    DIN EN ISO 8765:2011-06 Hexagon head bolts with metric fine pitch thread - Product grades A and B (ISO 8765:2011)
    DIN EN ISO 8673:2016-05 (Draft) HEXAGON REGULAR NUTS (STYLE 1) WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B (ISO 8673:2012)
    DIN EN ISO 8674:2016-05 (Draft) HEXAGON HIGH NUTS (STYLE 2) WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B (ISO 8674:2012)
    BS EN ISO 13709:2003 CENTRIFUGAL PUMPS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
    BS EN ISO 3506-1:2009 MECHANICAL PROPERTIES OF CORROSION-RESISTANT STAINLESS STEEL FASTENERS - PART 1: BOLTS, SCREWS AND STUDS
    UNE-EN ISO 21670:2015 Fasteners - Hexagon weld nuts with flange (ISO 21670:2014)
    UNE-EN ISO 10512:2013 Prevailing torque type hexagon regular nuts (with non-metallic insert) with metric fine pitch thread - Property classes 6, 8 and 10 (ISO 10512:2012)
    UNE-EN 61056-2:2013 General purpose lead-acid batteries (valve-regulated types) - Part 2: Dimensions, terminals and marking
    BS EN ISO 4033:2012 Hexagon high nuts (style 2). Product grades A and B
    UNE-EN ISO 8673:2013 Hexagon regular nuts (style 1) with metric fine pitch thread - Product grades A and B (ISO 8673:2012)
    BS EN 1591-1:2013 Flanges and their joints. Design rules for gasketed circular flange connections Calculation
    BS EN ISO 898-6:1996 MECHANICAL PROPERTIES OF FASTENERS - NUTS WITH SPECIFIED PROOF LOAD VALUES - FINE PITCH THREAD
    BS EN 1665:1997 Hexagon bolts with flange. Heavy series
    BS EN ISO 4036:2012 Hexagon thin nuts unchamfered (style 0). Product grade B
    I.S. EN ISO 4032:2012 HEXAGON REGULAR NUTS (STYLE 1) - PRODUCT GRADES A AND B (ISO 4032:2012)
    I.S. EN ISO 7719:2012 PREVAILING TORQUE TYPE ALL-METAL HEXAGON REGULAR NUTS - PROPERTY CLASSES 5, 8 AND 10 (ISO 7719:2012)
    I.S. EN ISO 21670:2014 FASTENERS - HEXAGON WELD NUTS WITH FLANGE (ISO 21670:2014)
    I.S. EN ISO 10440-1:2007 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - ROTARY TYPE POSITIVE-DISPLACEMENT COMPRESSORS - PART 1: PROCESS COMPRESSORS
    DIN EN ISO 10806:2004-03 Pipework - Fittings for corrugated metal hoses (ISO 10806:2003)
    I.S. EN ISO 8673:2012 HEXAGON REGULAR NUTS (STYLE 1) WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B (ISO 8673:2012)
    I.S. EN ISO 7042:2012 PREVAILING TORQUE TYPE ALL-METAL HEXAGON HIGH NUTS - PROPERTY CLASSES 5, 8, 10 AND 12 (ISO 7042:2012)
    I.S. EN ISO 4036:2012 HEXAGON THIN NUTS UNCHAMFERED (STYLE 0) - PRODUCT GRADE B (ISO 4036:2012)
    I.S. EN ISO 8676:2011 HEXAGON HEAD SCREWS WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    I.S. EN ISO 10512:2012 PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) WITH METRIC FINE PITCH THREAD - PROPERTY CLASSES 6, 8 AND 10 (ISO 10512:2012)
    I.S. EN ISO 8675:2012 HEXAGON THIN NUTS CHAMFERED (STYLE 0) WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B (ISO 8675:2012)
    I.S. EN ISO 4033:2012 HEXAGON HIGH NUTS (STYLE 2) - PRODUCT GRADES A AND B (ISO 4033:2012)
    I.S. EN ISO 4016:2011 HEXAGON HEAD BOLTS - PRODUCT GRADE C
    I.S. EN ISO 10511:2012 PREVAILING TORQUE TYPE HEXAGON THIN NUTS (WITH NON-METALLIC INSERT) (ISO 10511:2012)
    I.S. EN ISO 10513:2012 PREVAILING TORQUE TYPE ALL-METAL HEXAGON HIGH NUTS WITH METRIC FINE PITCH THREAD - PROPERTY CLASSES 8, 10 AND 12 (ISO 10513:2012)
    I.S. EN ISO 898-1:2013 MECHANICAL PROPERTIES OF FASTENERS MADE OF CARBON STEEL AND ALLOY STEEL - PART 1: BOLTS, SCREWS AND STUDS WITH SPECIFIED PROPERTY CLASSES - COARSE THREAD AND FINE PITCH THREAD (ISO 898-1:2013)
    I.S. EN ISO 4017:2014 FASTENERS - HEXAGON HEAD SCREWS - PRODUCT GRADES A AND B (ISO 4017:2014)
    DIN EN 1665:1998-11 HEXAGON BOLTS WITH FLANGE - HEAVY SERIES
    I.S. EN ISO 8765:2011 HEXAGON HEAD BOLTS WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    I.S. EN ISO 7040:2012 PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) - PROPERTY CLASSES 5, 8 AND 10 (ISO 7040:2012)
    I.S. EN ISO 8674:2012 HEXAGON HIGH NUTS (STYLE 2) WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B (ISO 8674:2012)
    I.S. EN 1591-1:2013 FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATION
    I.S. EN ISO 4035:2012 HEXAGON THIN NUTS CHAMFERED (STYLE 0) - PRODUCT GRADES A AND B (ISO 4035:2012)
    ONORM EN ISO 8676 : 2011 HEXAGON HEAD SCREWS WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    ONORM EN ISO 4017 : 2015 FASTENERS - HEXAGON HEAD SCREWS - PRODUCT GRADES A AND B (ISO 4017:2014)
    NF EN ISO 4014 : 2011 HEXAGON HEAD BOLTS - PRODUCT GRADES A AND B
    NF EN ISO 8676 : 2011 HEXAGON HEAD SCREWS WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    NF EN ISO 8765 : 2011 HEXAGON HEAD BOLTS WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    ONORM EN ISO 4016 : 2011 HEXAGON HEAD BOLTS - PRODUCT GRADE C
    ONORM EN ISO 8765 : 2011 HEXAGON HEAD BOLTS WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    NF EN ISO 4016 : 2011 HEXAGON HEAD BOLTS - PRODUCT GRADE C
    ONORM EN ISO 4014 : 2011 HEXAGON HEAD BOLTS - PRODUCT GRADES A AND B
    ONORM EN ISO 4018 : 2011 HEXAGON HEAD SCREWS - PRODUCT GRADE C
    ISO 7041:2012 Prevailing torque type hexagon nuts (with non-metallic insert), style 2 Property classes 9 and 12
    API 674 REDLINE : 2010 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    API 682 : 2014 PUMPS - SHAFT SEALING SYSTEMS FOR CENTRIFUGAL AND ROTARY PUMPS
    API 676 REDLINE : 2009 POSITIVE DISPLACEMENT PUMPS - ROTARY
    I.S. EN ISO 898-6:1996 MECHANICAL PROPERTIES OF FASTENERS - PART 6: NUTS WITH SPECIFIED PROOF LOAD VALUES - FINE PITCH THREAD
    IEEE 810 : 2015 HYDRAULIC TURBINE AND GENERATOR SHAFT COUPLINGS AND SHAFT RUNOUT TOLERANCES
    16/30337591 DC : DRAFT APR 2016 BS ISO 7043 - PREVAILING TORQUE HEXAGON HIGH NUTS WITH FLANGE (WITH NON-METALLIC INSERT) - PRODUCT GRADES A AND B
    16/30337584 DC : 0 BS ISO 7041 - PREVAILING TORQUE HEXAGON HIGH NUTS (WITH NON-METALLIC INSERT) - PRODUCT GRADES A AND B
    NF EN 22857 : 1990 GROUND THREAD TAPS FOR ISO METRIC THREADS OF TOLERANCES 4H TO 8H AND 4G TO 6G COARSE AND FINE PITCHES - MANUFACTURING TOLERANCES ON THE THREADED PORTION
    16/30313948 DC : 0 BS ISO 18139 - SHIPS AND MARINE TECHNOLOGY - GLOBE VALVES FOR USE IN LOW TEMPERATURE APPLICATIONS - DESIGN AND TESTING REQUIREMENTS
    04/30114086 DC : DRAFT JUL 2004 EN ISO 10440-1 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - ROTARY-TYPE POSITIVE DISPLACEMENT COMPRESSORS - PART 1: PROCESS COMPRESSORS (OIL-FREE)
    DIN 802-5 E : 1997 TOLERANCES ON THE THREADED PORTION OF TAPE - PART 5: GROUND THREADED TAPS FOR ISO METRIC THREAD; THREADS FOR INTERFERENCE FITS ACCORDING TO DIN 8141-1, COARSE AND FINE PITCHES; MANUFACTURING TOLERANCES ON THE THREADED PORTION
    16/30337580 DC : 0 BS EN ISO 7040 - PREVAILING TORQUE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) - PRODUCT GRADES A AND B
    BS 7796:1995 SPECIFICATION FOR HYDRAULIC FLUID POWER - FOUR-SCREW SPLIT-FLANGE CONNECTIONS FOR USE AT PRESSURES OF 2,5 MPA TO 40 MPA (25 BAR TO 400 BAR) - TYPE 1 METRIC SERIES AND TYPE 2 INCH SERIES
    12/30247796 DC : DRAFT JAN 2012 BS EN 1591-1 - FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATIONS
    API 610 : 2010 CENTRIFUGAL PUMPS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
    EN ISO 15245-1:2001/A1:2013 GAS CYLINDERS - PARALLEL THREADS FOR CONNECTION OF VALVES TO GAS CYLINDERS - PART 1: SPECIFICATION (ISO 15245-1:2001/AMD 1:2013)
    DIN EN ISO 9873:2016-03 (Draft) DENTISTRY - INTRA-ORAL MIRRORS (ISO 9873:2017)
    API 676 CHINESE : 2009 POSITIVE DISPLACEMENT PUMPS - ROTARY
    BS ISO 18139:2017 Ships and marine technology. Globe valves for use in low temperature applications. Design and testing requirements
    API 677 :2006 GENERAL-PURPOSE GEAR UNITS FOR PETROLEUM, CHEMICAL AND GAS INDUSTRY SERVICES
    ISO 12126:2012 Prevailing torque type all-metal hexagon nuts with flange with metric fine pitch thread, style 2 — Product grades A and B
    12/30235512 DC : 0 BS ISO 5145 - CYLINDER VALVE OUTLETS FOR GASES AND GAS MIXTURES - SELECTION AND DIMENSIONING
    API 672 : 2004 PACKAGED, INTEGRALLY GEARED CENTRIFUGAL AIR COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    DD ISO/TS 13399-50:2007 Cutting tool data representation and exchange Reference dictionary for reference systems and common concepts
    API 613:2003 SPECIAL PURPOSE GEAR UNITS FOR PETROLEUM, CHEMICAL AND GAS INDUSTRY SERVICES
    API 619 REDLINE : 2010 ROTARY-TYPE POSITIVE DISPLACEMENT COMPRESSORS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
    ISO 6162-2:2018 Hydraulic fluid power — Flange connections with split or one-piece flange clamps and metric or inch screws — Part 2: Flange connectors, ports and mounting surfaces for use at a pressure of 42 MPa (420 bar), DN 13 to DN 76
    ISO 7044:2012 Prevailing torque type all-metal hexagon nuts with flange, style 2 — Product grades A and B
    BIS IS 1363-1 : 2002 HEXAGON HEAD BOLTS, SCREWS AND NUTS OF PRODUCT GRADE 'C' - PART 1: HEXAGON HEAD BOLTS (SIZE RANGE M 5 TO M 64)
    I.S. EN ISO 13918:2018 WELDING - STUDS AND CERAMIC FERRULES FOR ARC STUD WELDING (ISO 13918:2017)
    BS ISO 10945:1994 Hydraulic fluid power. Gas-loaded accumulators. Dimensions of gas ports
    ISO 12125:2012 Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread, style 2 — Product grades A and B
    SAE J 518/2 : 2017 HYDRAULIC FLANGED TUBE, PIPE, AND HOSE CONNECTIONS, 4-SCREW FLANGE CONNECTION - PART 2: 42 MPA (CODE 62)
    EN ISO 13918:2018 Welding - Studs and ceramic ferrules for arc stud welding (ISO 13918:2017, Corrected version 2018-05)
    ISO 10663:2012 Hexagon nuts with flange, style 2 — Fine pitch thread
    ISO 261:1998 ISO general purpose metric screw threads General plan
    ISO 13948-1:2015 Diesel engines Fuel injection pumps and fuel injector low-pressure connections Part 1: Threaded connections
    EN ISO 4017:2014 Fasteners - Hexagon head screws - Product grades A and B (ISO 4017:2014)
    DIN EN ISO 7042:2016-05 (Draft) PREVAILING TORQUE TYPE ALL-METAL HEXAGON HIGH NUTS - PROPERTY CLASSES 5, 8, 10 AND 12 (ISO 7042:2012)
    DIN EN 1663:1998-02 PREVAILING TORQUE TYPE HEXAGON NUTS WITH FLANGE (WITH NON-METALLIC INSERT)
    UNE-EN ISO 4017:2015 Fasteners - Hexagon head screws - Product grades A and B (ISO 4017:2014)
    DIN EN 1667:1998-02 PREVAILING TORQUE TYPE ALL HEXAGON NUTS WITH FLANGE, WITH METRIC FINE PITCH THREAD
    DIN EN ISO 8673 E : 2013 HEXAGON REGULAR NUTS (STYLE 1) WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B (ISO 8673:2012)
    DIN EN ISO 15245-1:2013-11 Gas cylinders - Parallel threads for connection of valves to gas cylinders - Part 1: Specification (ISO 15245-1:2001 + Amd 1:2013) (includes Amendment A1:2013)
    DIN EN ISO 8765 E : 2011 HEXAGON HEAD BOLTS WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    DIN EN ISO 8674 E : 2013 HEXAGON HIGH NUTS (STYLE 2) WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B (ISO 8674:2012)
    UNE-EN ISO 4036:2013 Hexagon thin nuts unchamfered (style 0) - Product grade B (ISO 4036:2012)
    DIN EN ISO 4034:2016-05 (Draft) HEXAGON REGULAR NUTS (STYLE 1) - PRODUCT GRADE C (ISO 4034:2012)
    BS EN ISO 8673:2012 Hexagon regular nuts (style 1) with metric fine pitch thread. Product grades A and B
    ISO 4017:2014 Fasteners Hexagon head screws Product grades A and B
    BS EN ISO 7042:2012 Prevailing torque type all-metal hexagon high nuts. Property classes 5, 8, 10 and 12
    UNE-EN ISO 4034:2013 Hexagon regular nuts (style 1) - Product grade C (ISO 4034:2012)
    BS EN ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel Bolts, screws and studs with specified property classes. Coarse thread and fine pitch thread
    BS EN ISO 10513:2012 Prevailing torque type all-metal hexagon high nuts with metric fine pitch thread. Property classes 8, 10 and 12
    BS EN ISO 10440-1:2001 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - ROTARY-TYPE POSITIVE-DISPLACEMENT COMPRESSORS - PART 1: PROCESS COMPRESSORS
    BS EN 1664:1998 PREVAILING TORQUE TYPE ALL-METAL HEXAGON NUTS WITH FLANGE (ISO 7044:1997, MODIFIED)
    BS EN ISO 15245-1 : 2001 GAS CYLINDERS - PARALLEL THREADS FOR CONNECTION OF VALVES TO GAS CYLINDERS - PART 1: SPECIFICATION
    UNE-EN ISO 4018:2011 Hexagon head screws - Product grade C (ISO 4018:2011)
    UNE-EN ISO 8674:2013 Hexagon high nuts (style 2) with metric fine pitch thread - Product grades A and B (ISO 8674:2012)
    BS EN ISO 4018:2011 Hexagon head screws. Product grade C
    API STD 612:2020 Petroleum, Petrochemical, and Natural Gas Industries - Steam Turbines - Special-purpose Applications
    UNI EN ISO 3506-1 : 2010 MECHANICAL PROPERTIES OF CORROSION-RESISTANT STAINLESS-STEEL FASTENERS - PART 1: BOLTS, SCREWS AND STUDS
    EN 1666:1997 Prevailing torque type hexagon nuts with flange (with non-metallic insert) with metric fine pitch thread (ISO 12125:1997, modified)
    EN ISO 10513:2012 Prevailing torque type all-metal hexagon high nuts with metric fine pitch thread - Property classes 8, 10 and 12 (ISO 10513:2012)
    UNI EN 1591-1 : 2014 FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATION
    UNI EN ISO 4036 : 2013 HEXAGON THIN NUTS UNCHAMFERED (STYLE 0) - PRODUCT GRADE B
    UNI EN ISO 8765 : 2011 HEXAGON HEAD BOLTS WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    UNI EN ISO 7042 : 2013 PREVAILING TORQUE TYPE ALL-METAL HEXAGON HIGH NUTS - PROPERTY CLASSES 5, 8, 10 AND 12
    UNI EN ISO 4033 : 2013 HEXAGON HIGH NUTS (STYLE 2) - PRODUCT GRADES A AND B
    UNI EN ISO 4017 : 2014 FASTENERS - HEXAGON HEAD SCREWS - PRODUCT GRADES A AND B
    UNI EN ISO 4035 : 2013 HEXAGON THIN NUTS CHAMFERED (STYLE 0) - PRODUCT GRADES A AND B
    UNI EN ISO 4034 : 2013 HEXAGON REGULAR NUTS (STYLE 1) - PRODUCT GRADE C
    UNI EN ISO 4016 : 2011 HEXAGON HEAD BOLTS - PRODUCT GRADE C
    UNI EN ISO 21670 : 2014 FASTENERS - HEXAGON WELD NUTS WITH FLANGE
    UNI EN ISO 10512 : 2013 PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) WITH METRIC FINE PITCH THREAD - PROPERTY CLASSES 6, 8 AND 10
    UNI EN ISO 7040 : 2013 PREVAILING TORQUE TYPE HEXAGON REGULAR NUTS (WITH NON-METALLIC INSERT) - PROPERTY CLASSES 5, 8 AND 10
    UNI EN ISO 7719 : 2013 PREVAILING TORQUE TYPE ALL-METAL HEXAGON REGULAR NUTS - PROPERTY CLASSES 5, 8 AND 10
    UNI EN ISO 10513 : 2013 PREVAILING TORQUE TYPE ALL-METAL HEXAGON HIGH NUTS WITH METRIC FINE PITCH THREAD - PROPERTY CLASSES 8, 10 AND 12
    UNI EN ISO 8673 : 2013 HEXAGON REGULAR NUTS (STYLE 1) WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    UNI EN ISO 898-1 : 2013 MECHANICAL PROPERTIES OF FASTENERS MADE OF CARBON STEEL AND ALLOY STEEL - PART 1: BOLTS, SCREWS AND STUDS WITH SPECIFIED PROPERTY CLASSES - COARSE THREAD AND FINE PITCH THREAD
    UNI EN ISO 4014 : 2011 HEXAGON HEAD BOLTS - PRODUCT GRADES A AND B
    UNI EN 14219 : 2006 HEXAGON BOLTS WITH FLANGE WITH METRIC FINE PITCH THREAD - SMALL SERIES
    UNI EN ISO 4032 : 2013 HEXAGON REGULAR NUTS (STYLE 1) - PRODUCT GRADES A AND B
    BS 3643-1:2007 ISO metric screw threads Principles and basic data
    UNI EN ISO 8674 : 2013 HEXAGON HIGH NUTS (STYLE 2) WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    BS 3643-1:1981 ISO METRIC SCREW THREADS - PRINCIPLES AND BASIC DATA
    UNI EN ISO 4018 : 2011 HEXAGON HEAD SCREWS - PRODUCT GRADE C
    UNI EN ISO 10511 : 2013 PREVAILING TORQUE TYPE HEXAGON THIN NUTS (WITH NON-METALLIC INSERT)
    UNI EN ISO 8675 : 2013 Hexagon thin nuts chamfered (style 0) with metric fine pitch thread - Product grades A and B
    UNI EN 1665 : 1999 HEXAGON BOLTS WITH FLANGE - HEAVY SERIES
    UNI EN ISO 10440-1 : 2008 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - ROTARY-TYPE POSITIVE-DISPLACEMENT COMPRESSORS - PART 1: PROCESS COMPRESSORS
    UNI EN 1662 : 2000 HEXAGON BOLTS WITH FLANGE - SMALL SERIES
    DIN 13-6:1999-11 ISO general purpose metric screw threads - Part 6: Nominal sizes for 1,5 mm fine pitch threads; nominal diameter from 12 mm to 300 mm
    16/30302544 DC : 0 BS EN ISO 9873 - DENTISTRY - INTRA-ORAL MIRRORS
    ISO 13918:2017 Welding — Studs and ceramic ferrules for arc stud welding
    10/30218476 DC : 0 BS EN 61056-2 ED. 3 - GENERAL PURPOSE LEAD-ACID BATTERIES (VALVE-REGULATED TYPES) - PART 2: DIMENSIONS, TERMINALS AND MARKING
    API 618 : 2007 : R2016 RECIPROCATING COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    API 685 REDLINE : 2011 SEALLESS CENTRIFUGAL PUMPS FOR PETROLEUM, PETROCHEMICAL, AND GAS INDUSTRY PROCESS SERVICE
    01/712196 DC : DRAFT SEP 2001 ISO 5145 - CYLINDER VALVE OUTLETS FOR GASES AND GAS MIXTURES - SELECTION AND DIMENSIONING
    PD ISO/TR 16224:2012 Technical aspects of nut design
    16/30337630 DC BS EN ISO 7719. Prevailing torque (all-metal) hexagon regular nuts. Product grades A and B
    BS ISO 5145:2017 Gas cylinders. Cylinder valve outlets for gases and gas mixtures. Selection and dimensioning
    BS ISO 10663:2012 Hexagon nuts with flange, style 2. Fine pitch thread
    16/30342991 DC : 0 BS EN ISO 13918 - WELDING - STUDS AND CERAMIC FERRULES FOR ARC STUD WELDING
    10/30214867 DC : 0 BS EN ISO 21049 - PUMPS - SHAFT-SEALING SYSTEMS FOR CENTRIFUGAL AND ROTARY PUMPS
    BS ISO 6162-1:2012 HYDRAULIC FLUID POWER - FLANGE CONNECTIONS WITH SPLIT OR ONE-PIECE FLANGE CLAMPS AND METRIC OR INCH SCREWS - PART 1: FLANGE CONNECTORS, PORTS AND MOUNTING SURFACES FOR USE AT PRESSURES OF 3,5 MPA (35 BAR) TO 35 MPA (350 BAR), DN 13 TO DN 127
    BS EN ISO 9873:2017 DENTISTRY - INTRA-ORAL MIRRORS
    API 674 : 2010(R2016) POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    API 619 : 2010 ROTARY-TYPE POSITIVE DISPLACEMENT COMPRESSORS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
    SAE J 518/1 : 2013 HYDRAULIC FLANGED TUBE, PIPE, AND HOSE CONNECTIONS, 4-SCREW FLANGE CONNECTION - PART 1: 3.5 MPA TO 35 MPA (CODE 61)
    I.S. EN ISO 15245-1:2002 GAS CYLINDERS - PARALLEL THREADS FOR CONNECTION OF VALVES TO GAS CYLINDERS - PART 1: SPECIFICATION (ISO 15245-1:2001)
    IS 1367 : Part 3 : 2017 TECHNICAL SUPPLY CONDITIONS FOR THREADED STEEL FASTENERS - PART 3: MECHANICAL PROPERTIES OF FASTENERS MADE OF CARBON STEEL AND BOLTS, SCREWS AND STUDS
    API STD 676 : 2009 POSITIVE DISPLACEMENT PUMPS - ROTARY
    API 674 : 2010 : ERR 2 : 2015 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    API 676 : 2009 : R2015 POSITIVE DISPLACEMENT PUMPS - ROTARY
    API 610 REDLINE : 2010 CENTRIFUGAL PUMPS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
    ISO 7043:2012 Prevailing torque type hexagon nuts with flange (with non-metallic insert), style 2 — Product grades A and B
    ISO 4144:2003 Pipework Stainless steel fittings threaded in accordance with ISO 7-1
    I.S. EN 13001-3-6:2018 CRANES - GENERAL DESIGN - PART 3-6: LIMIT STATES AND PROOF OF COMPETENCE OF MACHINERY - HYDRAULIC CYLINDERS
    DIN EN ISO 9873 E : 2000 DENTISTRY - INTRA-ORAL MIRRORS (ISO 9873:2017)
    ISO 18139:2017 Ships and marine technology — Globe valves for use in low temperature applications — Design and testing requirements
    DIN 13-7:1999-11 ISO GENERAL PURPOSE METRIC SCREW THREADS - PART 7: NOMINAL SIZES FOR 2 MM FINE PITCH THREADS - NOMINAL DIAMETER FROM 17 MM TO 300 MM
    API 612 : 2014 PETROLEUM, PETROCHEMICAL, AND NATURAL GAS INDUSTRIES - STEAM TURBINES - SPECIAL-PURPOSE APPLICATIONS
    ISO 5145:2017 Gas cylinders — Cylinder valve outlets for gases and gas mixtures — Selection and dimensioning
    ISO 6162-1:2012 Hydraulic fluid power — Flange connections with split or one-piece flange clamps and metric or inch screws — Part 1: Flange connectors, ports and mounting surfaces for use at pressures of 3,5 MPa (35 bar) to 35 MPa (350 bar), DN 13 to DN 127
    DIN EN ISO 4032:2016-05 (Draft) HEXAGON REGULAR NUTS (STYLE 1) - PRODUCT GRADES A AND B (ISO 4032:2012)
    I.S. EN ISO 13709:2009 CENTRIFUGAL PUMPS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
    DIN EN 1666:1998-02 PREVAILING TORQUE TYPE HEXAGON NUTS WITH FLANGE (WITH NON-METALLIC INSERT), WITH METRIC FINE PITCH THREAD
    DIN EN ISO 21670 E : 2004 FASTENERS - HEXAGON WELD NUTS WITH FLANGE (ISO 21670:2014)
    DIN EN ISO 8676 E : 2011 HEXAGON HEAD SCREWS WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B
    DIN EN ISO 8675 E : 2013 HEXAGON THIN NUTS CHAMFERED (STYLE 0) WITH METRIC FINE PITCH THREAD - PRODUCT GRADES A AND B (ISO 8675:2012)
    BS EN ISO 21670:2014 Fasteners. Hexagon weld nuts with flange
    BS EN 1661:1998 HEXAGON NUTS WITH FLANGE (ISO 4161:1996, MODIFIED)
    BS EN ISO 13691:2002 Petroleum and natural gas industries. High-speed special-purpose gear units
    BS EN ISO 10512:2012 Prevailing torque type hexagon regular nuts (with non-metallic insert) with metric fine pitch thread. Property classes 6, 8 and 10
    BS EN ISO 10511:2012 Prevailing torque type hexagon thin nuts (with non-metallic insert)
    BS EN ISO 15245-2:2001 Gas cylinders. Parallel threads for connection of valves to gas cylinders Gauge inspection
    BS EN ISO 4014:2011 Hexagon head bolts. Product grades A and B
    UNE-EN ISO 4035:2013 Hexagon thin nuts chamfered (style 0) - Product grades A and B (ISO 4035:2012)
    ISO 7042:2012 Prevailing torque type all-metal hexagon high nuts — Property classes 5, 8, 10 and 12
    ISO 4035:2012 Hexagon thin nuts chamfered (style 0) — Product grades A and B
    IEC 61056-2:2012 General purpose lead-acid batteries (valve-regulated types) - Part 2: Dimensions, terminals and marking
    ISO 2857:1973 Ground thread taps for ISO metric threads of tolerances 4H to 8H and 4G to 6G coarse and fine pitches — Manufacturing tolerances on the threaded portion
    ISO 4033:2012 Hexagon high nuts (style 2) — Product grades A and B
    BS EN ISO 4035:2012 Hexagon thin nuts chamfered (style 0). Product grades A and B
    BS EN 1663:1998 PREVAILING TORQUE TYPE HEXAGON NUTS WITH FLANGE (WITH NON-METALLIC INSERT) (ISO 7043:1997, MODIFIED)
    BS EN 20898-2:1994 Mechanical properties of fasteners Nuts with specified proof load values. Coarse thread
    BS EN 14219:2003 Hexagon bolts with flange with metric fine pitch thread. Small series
    BS EN ISO 8676:2011 Hexagon head screws with metric fine pitch thread. Product grades A and B
    EN ISO 3506-1:2009 Mechanical properties of corrosion-resistant stainless steel fasteners - Part 1: Bolts, screws and studs (ISO 3506-1:2009)
    ISO 10437:2003 Petroleum, petrochemical and natural gas industries — Steam turbines — Special-purpose applications
    BS EN ISO 4016:2011 Hexagon head bolts. Product grade C
    ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread
    ISO 4034:2012 Hexagon regular nuts (style 1) Product grade C
    ISO 13710:2004 Petroleum, petrochemical and natural gas industries Reciprocating positive displacement pumps
    UNE-EN ISO 8675:2013 Hexagon thin nuts chamfered (style 0) with metric fine pitch thread - Product grades A and B (ISO 8675:2012)
    BS EN ISO 8674:2012 Hexagon high nuts (style 2) with metric fine pitch thread. Product grades A and B
    ISO 8676:2011 Hexagon head screws with metric fine pitch thread Product grades A and B
    ISO 4014:2011 Hexagon head bolts Product grades A and B
    BS EN ISO 13710:2004 Petroleum, petrochemical and natural gas industries. Reciprocating positive displacement pumps
    ISO 10442:2002 Petroleum, chemical and gas service industries Packaged, integrally geared centrifugal air compressors
    ISO 4032:2012 Hexagon regular nuts (style 1) — Product grades A and B
    ISO 898-6:1994 Mechanical properties of fasteners Part 6: Nuts with specified proof load values Fine pitch thread
    ISO 7719:2012 Prevailing torque type all-metal hexagon regular nuts — Property classes 5, 8 and 10
    ISO 4036:2012 Hexagon thin nuts unchamfered (style 0) Product grade B
    ISO 13691:2001 Petroleum and natural gas industries — High-speed special-purpose gear units
    UNE-EN ISO 8765:2011 Hexagon head bolts with metric fine pitch thread - Product grades A and B (ISO 8765:2011)
    ISO 10511:2012 Prevailing torque type hexagon thin nuts (with non-metallic insert)
    ISO 15245-1:2001 Gas cylinders Parallel threads for connection of valves to gas cylinders Part 1: Specification
    BS EN ISO 4017:2014 Fasteners. Hexagon head screws. Product grades A and B
    ISO 10513:2012 Prevailing torque type all-metal hexagon high nuts with metric fine pitch thread — Property classes 8, 10 and 12
    ISO 8674:2012 Hexagon high nuts (style 2) with metric fine pitch thread — Product grades A and B
    UNE-EN 1591-1:2014 Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation
    I.S. EN ISO 3506-1:2009 MECHANICAL PROPERTIES OF CORROSION-RESISTANT STAINLESS STEEL FASTENERS - PART 1: BOLTS, SCREWS AND STUDS
    ISO 7040:2012 Prevailing torque type hexagon regular nuts (with non-metallic insert) — Property classes 5, 8 and 10
    ISO 10440-1:2007 Petroleum, petrochemical and natural gas industries — Rotary-type positive-displacement compressors — Part 1: Process compressors
    ISO 15245-2:2001 Gas cylinders — Parallel threads for connection of valves to gas cylinders — Part 2: Gauge inspection
    ISO 8675:2012 Hexagon thin nuts chamfered (style 0) with metric fine pitch thread — Product grades A and B
    ISO 10806:2003 Pipework Fittings for corrugated metal hoses
    UNE-EN ISO 8676:2011 Hexagon head screws with metric fine pitch thread - Product grades A and B (ISO 8676:2011)
    UNE-EN ISO 7719:2013 Prevailing torque type all-metal hexagon regular nuts - Property classes 5, 8 and 10 (ISO 7719:2012)
    ISO 4018:2011 Hexagon head screws Product grade C
    ISO 10512:2012 Prevailing torque type hexagon regular nuts (with non-metallic insert) with metric fine pitch thread — Property classes 6, 8 and 10
    ISO 8765:2011 Hexagon head bolts with metric fine pitch thread Product grades A and B
    UNE-EN ISO 9873:2017 Dentistry - Intra-oral mirrors (ISO 9873:2017)
    BS EN ISO 8765:2011 Hexagon head bolts with metric fine pitch thread. Product grades A and B
    EN ISO 13709:2009 Centrifugal pumps for petroleum, petrochemical and natural gas industries (ISO 13709:2009)
    EN 20898-6 : 1992 MECHANICAL PROPERTIES OF FASTENERS - NUTS WITH SPECIFIED PROOF LOAD VALUES - FINE PITCH THREAD
    EN ISO 7040:2012 Prevailing torque type hexagon regular nuts (with non-metallic insert) - Property classes 5, 8 and 10 (ISO 7040:2012)
    EN ISO 10806:2003 Pipework - Fittings for corrugated metal hoses (ISO 10806:2003)
    EN ISO 10437:2003 Petroleum, petrochemical and natural gas industries - Steam turbines - Special-purpose applications (ISO 10437:2003)
    EN 1664:1997 Prevailing torque type all-metal hexagon nuts with flange (ISO 7044:1997, modified)
    EN ISO 7042:2012 Prevailing torque type all-metal hexagon high nuts - Property classes 5, 8, 10 and 12 (ISO 7042:2012)
    EN ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread (ISO 898-1:2013)
    EN ISO 4035:2012 Hexagon thin nuts chamfered (style 0) - Product grades A and B (ISO 4035:2012)
    EN ISO 21670:2014 Fasteners - Hexagon weld nuts with flange (ISO 21670:2014)
    EN 1662:1997/AC:2007 HEXAGON BOLTS WITH FLANGE - SMALL SERIES (ISO/DIS 15071:1996, MODIFIED)
    EN 1663:1997 Prevailing torque type hexagon nuts with flange (with non-metallic insert) (ISO 7043:1997, modified)
    EN ISO 13691:2002 Petroleum and natural gas industries - High-speed special-purpose gear units (ISO 13691:2001)
    EN 1661:1997 Hexagon nuts with flange (ISO/DIS 4161:1996, modified)
    EN ISO 7719:2012 Prevailing torque type all-metal hexagon regular nuts - Property classes 5, 8 and 10 (ISO 7719:2012)
    EN ISO 8676:2011 Hexagon head screws with metric fine pitch thread - Product grades A and B (ISO 8676:2011)
    EN ISO 4018:2011 Hexagon head screws - Product grade C (ISO 4018:2011)
    EN ISO 10512:2012 Prevailing torque type hexagon regular nuts (with non-metallic insert) with metric fine pitch thread - Property classes 6, 8 and 10 (ISO 10512:2012)
    EN ISO 8765:2011 Hexagon head bolts with metric fine pitch thread - Product grades A and B (ISO 8765:2011)
    EN 20898-2 : 1993 MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH SPECIFIED PROOF LOAD VALUES - COARSE THREAD (ISO 898-2:1992)