• ASME B18.2.1 : 2012

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    SQUARE, HEX, HEAVY HEX, AND ASKEW HEAD BOLTS AND HEX, HEAVY HEX, HEX FLANGE, LOBED HEAD, AND LAG SCREWS (INCH SERIES)

    Available format(s):  Hardcopy, PDF

    Superseded date:  03-14-2022

    Language(s):  English

    Published date:  01-01-2012

    Publisher:  American Society of Mechanical Engineers

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Committee Roster
    Correspondence With the B18 Committee
    1 Introduction
    2 General Data for Both Bolts and Screws
    3 Bolts
    4 Screws
    5 Lag Screws
    Mandatory Appendix
    I - Gage and Gaging Practices for External Lobed Head
        Drive System
    Nonmandatory Appendices
    A - Formulas for Bolt and Screw Head Dimensions
    B - Weight in Pounds of 100 Steel Hex Cap Screws for
        Given Diameter/Length Combination
    C - Countersunk Center Holes
    D - Self-Locking Element and Drilled Head
        Guidelines

    Abstract - (Show below) - (Hide below)

    Describes the dimensional requirements for nine product types of inch series bolts and screws recognized as American National Standard.

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

    Development Note Supersedes FF B 561 (03/2004)
    Document Type Standard
    Product Note NEW CHILD ERR IS NOW ADDED
    Publisher American Society of Mechanical Engineers
    Status Superseded
    Superseded By
    Supersedes

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

    ASME B16.1 : 2015 Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250
    ASME B31.8 : 2016 Gas Transmission and Distribution Piping Systems
    CSA C83 : 2017 COMMUNICATION AND POWER LINE HARDWARE
    MIL V 24619 : 0 VALVE, QUICK CLOSING, FOR SATURATED STEAM SERVICE
    ASME B16.42 : 2016 DUCTILE IRON PIPE FLANGES AND FLANGED FITTINGS - CLASSES 150 AND 300
    ASME B16.14 : 2013 FERROUS PIPE PLUGS, BUSHINGS, AND LOCKNUTS WITH PIPE THREADS
    ASTM A 761/A761M : 2017-02 SPECIFICATION FOR CORRUGATED STEEL STRUCTURAL PLATE, ZINC-COATED, FOR FIELD-BOLTED PIPE, PIPE-ARCHES, AND ARCHES
    FF B 561 : D BOLT, (SCREW), LAG
    FED STD H28 : A SCREW THREAD STANDARDS FOR FEDERAL SERVICES
    ASTM F 901 : 2001 Standard Specification for Aluminum Transmission Tower Bolts and Nuts
    MIL V 13803 : E VALVE, GATE, DOUBLE DISC, CAST IRON OR STEEL
    MIL V 24624 : 0 VALVE, BUTTERFLY, WAFER AND LUG STYLE, SHIPBOARD SERVICE
    NASA SSTD 8070 0044 : 2012 STANDARD FOR CARBON STEEL PIPING SYSTEMS
    AWWA C502 : 2014 DRY-BARREL FIRE HYDRANTS
    MIL V 1189 : D VALVE, GATE, BRONZE, FLANGED ENDS, WORKING PRESSURES UP TO 400 PS [SHIPBOARD USE]
    API 12D CHINESE : 2008 SPECIFICATION FOR FIELD WELDED TANKS FOR STORAGE OF PRODUCTION LIQUIDS
    ASTM D 7478/D7478M : 2011 Standard Specification for Heavy Duty Sheathed Wood Crates
    ASTM F 704 : 1981 : R2014 Standard Practice for Selecting Bolting Lengths for Piping System Flanged Joints
    AWWA C230 : 2016 STAINLESS-STEEL FULL-ENCIRCLEMENT REPAIR AND SERVICE CONNECTION CLAMPS FOR 2-IN. THROUGH 12-IN. (50-MM THROUGH 300-MM) PIPE
    ASME B16.15 : 2013 CAST COPPER ALLOY THREADED FITTINGS: CLASSES 125 AND 250
    ASTM F 704 : 1981 : R2001 Standard Practice for Selecting Bolting Lengths for Piping System Flanged Joints
    AWWA C228 : 2014 STAINLESS-STEEL PIPE FLANGE JOINTS FOR WATER SERVICE - SIZES 2 IN. THROUGH 72 IN. (50 MM THROUGH 1,800 MM)
    IEEE 810 : 2015 HYDRAULIC TURBINE AND GENERATOR SHAFT COUPLINGS AND SHAFT RUNOUT TOLERANCES
    NBR 13182 : 1994
    ASTM F 1554 : 2018 : REDLINE Standard Specification for Anchor Bolts, Steel, 36, 55, and 105-ksi Yield Strength
    ASME B18.16.6 : 2017 PREVAILING TORQUE LOCKNUTS (INCH SERIES)
    ASTM F 1565 : 2000 : R2019 Standard Specification for Pressure-Reducing Valves for Steam Service
    A A 52415 : A CLAMP ASSEMBLY - EXHAUST MUFFLER AND TAILPIPE
    MIL N 45913 : B NUTS, SELF LOCKING, HEXAGON, PREVAILING-TORQUE
    MIL DTL 24509 : B VALVES, FLANGED, BALL AND PLUG FOR SEWAGE AND SEAWATER SERVICE
    MIL B 16115 : G BUOYS, MOORING, AND MARKER
    ASME B16.47 : 2017 LARGE DIAMETER STEEL FLANGES: NPS 26 THROUGH NPS 60 METRIC/INCH STANDARD
    ASME B31.12 : 2014 HYDROGEN PIPING AND PIPELINES
    MIL V 24569 : 0 VALVE, QUICK CLOSING, FOR FUEL OIL AND AUXILIARY STEAM EMERGENCY SHUTDOWN
    IFI 136 : 2006 STUDS AND BENT BOLTS
    ASTM F 1142:1998 Standard Specification for Manhole Cover Assembly Bolted, Semi-Flush, Oiltight and Watertight
    API 12B : 2014 SPECIFICATION FOR BOLTED TANKS FOR STORAGE OF PRODUCTION LIQUIDS
    ANSI Z21.58-2018/CSA 1.6-2018 Outdoor cooking gas appliances
    ASTM A 193/A193M : 2017 : REDLINE Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications
    NBR 15083 : 2004 GLOBE AND ANGLE VALVES, FLANGED AND THREADED ENDS
    ASTM F 1144 : 1998 : R2007 Standard Specification for Manhole Cover Assembly, Bolted, Semi-Flush, Oiltight and Watertight, Hinged
    MIL S 1222 : H STUD, BOLTS, HEX CAP SCREWS, SOCKET HEAD CAP SCREWS AND NUTS
    MIL PRF 13803 : F VALVE, GATE - DOUBLE-DISK, CAST-IRON OR STEEL
    ASTM F 704 : 1981 : R1996 : EDT 1 Standard Practice for Selecting Bolting Lengths for Piping System Flanged Joints
    MIL V 17547 : A VALVES, CHECK, BRONZE (NAVY)
    NBR 12558 : 1992
    MIL F 19700 : A FASTENERS, SCREW THREADED, AND RELATED ITEMS, NON-MAGNETIC
    MIL PRF 13789 : E STRAINERS, SEDIMENT: PIPELINE, BASKET TYPE
    MIL DTL 32529 : 0 POWER ELECTRONIC CONVERSION EQUIPMENT, NAVAL SHIPBOARD
    MIL V 24509 : A VALVES, FLANGED, BALL & PLUG FOR SEWAGE & SEA WATER SERVICE
    MIL DTL 1189 : E VALVE, GATE, BRONZE
    AWWA C207 : 2013 STEEL PIPE FLANGES FOR WATERWORKS SERVICE, SIZES 4 IN. THROUGH 144 IN. (100 MM THROUGH 3,600 MM)
    A A 52547 : 0 HOSE AND ASSEMBLIES, RUBBER: FUEL AND OIL
    ACI 349.2R : 2007 : R2014 GUIDE TO THE CONCRETE CAPACITY DESIGN (CCD) METHOD - EMBEDMENT DESIGN EXAMPLES
    MIL T 53066 : B TANK, FABRIC, COLLAPSIBLE, 5000 BARREL, FUEL
    NBR 15117 : 2004 CAST IRON GATE VALVES FLANGED AND THREADED ENDS
    MIL DTL 14522 : E COMPONENTS, PREFABRICATED STRONG ROOM, PORTABLE: FOR SMALL ARMS AND EQUIPMENT
    ASTM F 1144 : 1998 : R2012 Standard Specification for Manhole Cover Assembly, Bolted, Semi-Flush, Oiltight and Watertight, Hinged
    MIL PRF 32152 : 0 CLOSURE, HVAC, BUTTERFLY TYPE, SHIPBOARD SERVICE
    ASTM F 1143 : 1998 : R2007 Standard Specification for Manhole Cover Assembly, Bolted, Raised, Oiltight and Watertight
    API 594 REDLINE : 2010 CHECK VALVES: FLANGED, LUG, WAFER, AND BUTT-WELDING
    ASTM F 901 : 2001 : R2007 Standard Specification for Aluminum Transmission Tower Bolts and Nuts
    API 12F CHINESE : 2008 SPECIFICATION FOR SHOP WELDED TANKS FOR STORAGE OF PRODUCTION LIQUIDS
    IFI 155 : 2005 TEST PROCEDURE FOR THE PERFORMANCE OF NONMETALLIC RESISTANT ELEMENT PREVAILING-TORQUE NUTS - INCH SERIES
    IFI 155 : 2005 : R2013 TEST PROCEDURE FOR THE PERFORMANCE OF NONMETALLIC RESISTANT ELEMENT PREVAILING-TORQUE NUTS - INCH SERIES
    ASTM F 2437/F2437M : 2017 : REDLINE Standard Specification for Carbon and Alloy Steel Compressible-Washer-Type Direct Tension Indicators for Use with Cap Screws, Bolts, Anchors, and Studs
    IFI 100 107 : 2002 PREVAILING-TORQUE TYPE STEEL HEX AND HEX FLANGE NUTS REGULAR AND LIGHT HEX SERIES
    ASTM F 901 : 2001 : R2012 Standard Specification for Aluminum Transmission Tower Bolts and Nuts
    ASTM F 1144 : 1998 : R2003 Standard Specification for Manhole Cover Assembly, Bolted, Semi-Flush, Oiltight and Watertight, Hinged
    BS EN 61518 : 2001 MATING DIMENSIONS BETWEEN DIFFERENTIAL PRESSURE (TYPE) MEASURING INSTRUMENTS AND FLANGED-ON SHUT-OFF DEVICES UP TO 413 BAR (41,3 MPA)
    ASTM F 1565 : 2000 : R2006 Standard Specification for Pressure-Reducing Valves for Steam Service
    CSA 1.6 : 2018 OUTDOOR COOKING GAS APPLIANCES
    MIL S 11716 : D SUPERSTRUCTURE, STEEL, FOR BRIDGE, FLOATING, PNEUMATIC FLOAT, CLASS 60
    ASTM F 2882/F2882M : 2017 : REDLINE Standard Specification for Screws, Alloy Steel, Heat Treated, 170 ksi and 1170 MPa Minimum Tensile Strength (Inch and Metric)
    ASTM F 1565 : 2000 : R2013 Standard Specification for Pressure-Reducing Valves for Steam Service
    MSS SP 71 : 2011 GRAY IRON SWING CHECK VALVES, FLANGED AND THREADED ENDS
    ASME B16.5 : 2017 PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD
    CSA 1.8 : 2016 GAS FOOD SERVICE EQUIPMENT
    ANSI Z21.5.2-2016/CSA 7.2:2016 GAS CLOTHES DRYERS, VOLUME 2, TYPE 2 CLOTHES DRYERS
    ANSI Z21.10.3-2017/CSA 4.3:2017 GAS-FIRED WATER HEATERS, VOLUME 3, STORAGE WATER HEATERS WITH INPUT RATINGS ABOVE 75,000 BTU PER HOUR, CIRCULATING AND INSTANTANEOUS
    CSA 4.1 : 2017 GAS WATER HEATERS, VOLUME 1, STORAGE WATER HEATERS WITH INPUT RATINGS OF 75,000 BTU PER HOUR OR LESS
    DIN EN 61518:2002-06 MATING DIMENSIONS BETWEEN DIFFERENTIAL PRESSURE (TYPE) MEASURING INSTRUMENTS AND FLANGED-ON SHUT-OFF DEVICES UP TO 413 BAR (41,3 MPA)
    MSS SP 106 : 2012 CAST COPPER ALLOY FLANGES AND FLANGED FITTINGS: CLASS 125, 150, AND 300
    NEMA CC1 : 2009(R2015) ELECTRIC POWER CONNECTORS FOR SUBSTATIONS
    ANSI Z21.19-2014/CSA 1.4-2014 REFRIGERATORS USING GAS FUEL
    SAE J 2270 : 2016 SHIP SYSTEMS AND EQUIPMENT - THREADED FASTENERS - INSPECTION, TEST, AND INSTALLATION GUIDANCE
    IFI 143 : 2002 : R2013 TEST FOR EVALUATING THE TORQUE-TENSION RELATIONSHIP ON BOTH EXTERNALLY AND INTERNALLY THREADED FASTENERS
    GGG D 2782 : 0 DRIVE, POWER, PORTABLE; FOR PIPE AND BOLT THREADING, ELECTRIC (WITH ACCESSORIES)
    NBR 12236 : 1994 CRITERIOS DE PROJETO, MONTAGEM E OPERACAO DE POSTOS DE GAS COMBUSTIVEL COMPRIMIDO
    IFI 143 : 2002 TEST FOR EVALUATING THE TORQUE-TENSION RELATIONSHIP ON BOTH EXTERNALLY AND INTERNALLY THREADED FASTENERS
    ANSI Z21.74-2017 Portable refrigerators
    ASTM F 2281 : 2004 : R2012 Standard Specification for Stainless Steel and Nickel Alloy Bolts, Hex Cap Screws, and Studs, for Heat Resistance and High Temperature Applications
    ANSI Z21.19 : 2014 REFRIGERATORS USING GAS FUEL
    MSS SP 78 : 2011 GRAY IRON PLUG VALVES, FLANGED AND THREADED ENDS
    MSS SP 136 : 2014 DUCTILE IRON SWING CHECK VALVES
    MSS SP 85 : 2011 GRAY IRON GLOBE & ANGLE VALVES, FLANGED AND THREADED ENDS
    ASTM F 2281 : 2004 Standard Specification for Stainless Steel and Nickel Alloy Bolts, Hex Cap Screws, and Studs, for Heat Resistance and High Temperature Applications
    ASME B31.3:2016 PROCESS PIPING
    CSA Z662 PACKAGE : 2011 CONSISTS OF Z662-11, OIL AND GAS PIPELINE SYSTEMS AND Z662.1-11, COMMENTARY ON CSA Z662-11, OIL AND GAS PIPELINE SYSTEMS
    MSS SP 9 : 2013 SPOT FACING FOR BRONZE, IRON AND STEEL FLANGES
    CSA Z662.1 : 2013 COMMENTARY ON CSA Z662-07, OIL AND GAS PIPELINE SYSTEMS
    IEEE C135.80 : 2012 FASTENERS FOR OVERHEAD LINE CONSTRUCTION
    AASHTO M 167M/M 167 : 2014 SPECIFICATION FOR CORRUGATED STEEL STRUCTURAL PLATE, ZINC-COATED, FOR FIELD-BOLTED PIPE, PIPE-ARCHES, AND ARCHES
    SAE J 2295 : 2016 FASTENER PART STANDARD - CAP SCREWS, HEX, HEAVY HEX AND HEAVY HEX STRUCTURAL BOLTS, AND HEX NUTS (INCH DIMENSIONED)
    AWWA C515 : 2015 REDUCED-WALL, RESILIENT-SEATED GATE VALVES FOR WATER SUPPLY SERVICE
    API 594 : 2017 CHECK VALVES: FLANGED, LUG, WAFER, AND BUTT-WELDING
    API SPEC 12L : 2008 SPECIFICATION FOR VERTICAL AND HORIZONTAL EMULSION TREATERS
    ANSI/AWWA D120 : 2009 THERMOSETTING FIBERGLASS-REINFORCED PLASTIC TANKS
    ANSI Z21.5.2 : 2016 GAS CLOTHES DRYERS, VOLUME 2, TYPE 2 CLOTHES DRYERS
    CGA B105 : 1993 CODE FOR DIGESTER GAS AND LANDFILL GAS INSTALLATIONS
    CSA/ANSI NGV 5.2-2017 Vehicle fueling appliances (VFA)
    ANSI Z21.89-2017/CSA 1.18-2017 Outdoor cooking specialty gas appliances
    ASTM F 1142 : 1998 : R2003 Standard Specification for Manhole Cover Assembly Bolted, Semi-Flush, Oiltight and Watertight
    IFI 160 : 2007 TEST PROCEDURE FOR THE PERFORMANCE OF NUTS WITH PRE-APPLIED ADHESIVE COATED THREADS - INCH SERIES
    ASTM F 1565 : 2000 Standard Specification for Pressure-Reducing Valves for Steam Service
    ASTM A 394 : 2008 Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare
    ANSI Z21.96 : 2014 PORTABLE WATER HEATERS FOR OUTDOOR USE
    CSA 11-6 : 2014 PORTABLE WATER HEATERS FOR OUTDOOR USE
    SAE J 429 : 2014 MECHANICAL AND MATERIAL REQUIREMENTS FOR EXTERNALLY THREADED FASTENERS
    IEEE C135.90 : 2014 POLE LINE HARDWARE FOR OVERHEAD LINE CONSTRUCTION
    ACI 349 : 2013 CODE REQUIREMENTS FOR NUCLEAR SAFETY-RELATED CONCRETE STRUCTURES AND COMMENTARY
    AWWA C509 : 2015 RESILIENT-SEATED GATE VALVES FOR WATER SUPPLY SERVICE
    API 12F : 2008 SPECIFICATION FOR SHOP WELDED TANKS FOR STORAGE OF PRODUCTION LIQUIDS
    ANSI Z21-10-3 : 2017 GAS-FIRED WATER HEATERS, VOLUME 3, STORAGE WATER HEATERS WITH INPUT RATINGS ABOVE 75,000 BTU PER HOUR, CIRCULATING AND INSTANTANEOUS
    AWWA C111/A21.11 : 2017 RUBBER-GASKET JOINTS FOR DUCTILE-IRON PRESSURE PIPE AND FITTINGS
    AWWA C503 : 2014 WET-BARREL FIRE HYDRANTS
    AWWA C223 : 2013 FABRICATED STEEL AND STAINLESS STEEL-TAPPING SLEEVES
    ASTM A 394 : 2008 : R2015 Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare
    ASME B31.3 SPANISH : 2010 PROCESS PIPING
    CSA O86S1 : 2005 ENGINEERING DESIGN IN WOOD
    ACI 350 : 2006 CODE REQUIREMENTS FOR ENVIRONMENTAL ENGINEERING CONCRETE STRUCTURES AND COMMENTARY
    ACI 349.2R : 2007 GUIDE TO THE CONCRETE CAPACITY DESIGN (CCD) METHOD - EMBEDMENT DESIGN EXAMPLES
    ANSI Z21.17 : 1998 : INC : ADD A : 2008 : R2014 DOMESTIC GAS CONVERSION BURNERS
    ASME B16.34 : 2017 VALVES - FLANGED, THREADED, AND WELDING END
    MSS SP 114 : 2007 CORROSION RESISTANT PIPE FITTINGS THREADED AND SOCKET WELDING CLASS 150 AND 1000
    ANSI Z21.17 : 1998 DOMESTIC GAS CONVERSION BURNERS
    ASCE 16 95 : 1996 STANDARD FOR LOAD AND RESISTANCE FACTOR DESIGN (LRFD) FOR ENGINEERED WOOD CONSTRUCTION
    AITC 115 : 2008 STANDARD FOR FABRICATED STRUCTURAL GLUED LAMINATED TIMBER COMPONENTS AND ASSEMBLIES
    ASME B18.2.6 : 2010 FASTENERS FOR USE IN STRUCTURAL APPLICATIONS
    AWWA C500 : 2009 METAL-SEATED GATE VALVES FOR WATER SUPPLY SERVICE
    ASME B31.1 : 2016 POWER PIPING
    AWWA C500 : 2019 Metal-Seated Gate Valves for Water Supply Service
    ASTM F 2281 : 2004 : R2017 Standard Specification for Stainless Steel and Nickel Alloy Bolts, Hex Cap Screws, and Studs, for Heat Resistance and High Temperature Applications
    CAN/CSA-Z662-15 Oil and gas pipeline systems
    MSS SP 128 : 2012 DUCTILE IRON GATE VALVES
    NBR 15600 : 2010 COMPRESSED NATURAL GAS STORAGE AND DECOMPRESSING STATION - DESIGN, CONSTRUCTION AND OPERATION
    MSS SP 70 : 2011 GRAY IRON GATE VALVES, FLANGED AND THREADED ENDS
    ASTM D 6880/D6880M : 2011 : REDLINE Standard Specification for Wood Boxes
    ASTM F 901 : 2001 : R2017 Standard Specification for Aluminum Transmission Tower Bolts and Nuts
    ASTM F 1143 : 1998 Standard Specification for Manhole Cover Assembly, Bolted, Raised, Oiltight and Watertight
    ASTM F 1143 : 1998 : R2003 Standard Specification for Manhole Cover Assembly, Bolted, Raised, Oiltight and Watertight
    ASTM F 2882 : 2012 Standard Specification for Screws, Alloy Steel, Heat Treated, 170 ksi Minimum Tensile Strength
    ASTM F 1143 : 1998 : R2012 Standard Specification for Manhole Cover Assembly, Bolted, Raised, Oiltight and Watertight
    IEEE DRAFT C135.3 : D1 DEC 99 DRAFT STANDARD FOR ZINC-COATED FERROUS LAG SCREWS FOR OVERHEAD LINE CONSTRUCTION
    NBR 14243 : 1998 JUNTAS DE FERRO FUNDIDO DUCTIL TIPO "GIBAULT" - REQUISITOS
    ASTM D 6255/D6255M:2005 Standard Specification for Steel or Aluminum Slotted Angle Crates
    ASTM F 1142 : 1998 : R2007 Standard Specification for Manhole Cover Assembly, Bolted, Semi-Flush, Oiltight and Watertight
    PIP STF05121 : 2017 ANCHOR FABRICATION AND INSTALLATION INTO CONCRETE
    ASTM F 704 : 1981 : R2009 Standard Practice for Selecting Bolting Lengths for Piping System Flanged Joints
    ASTM F 1144 : 1998 Standard Specification for Manhole Cover Assembly, Bolted, Semi-Flush, Oiltight and Watertight, Hinged
    ASTM F 1369 : 1993 : REV A Standard Specification for Heaters, Convection, Steam and Hot Water (Withdrawn 2002)
    ASTM F 1155 : 2010 Standard Practice for Selection and Application of Piping System Materials
    ASTM A 449 : 2014 : REDLINE Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use
    ASTM D 7478/D7478M : 2011 : R2017 Standard Specification for Heavy Duty Sheathed Wood Crates
    ASTM A 1056 : 2012 Standard Specification for Cast Iron Couplings Used for Joining Hubless Cast Iron Soil Pipe and Fittings
    ASTM A 394 : 2008 : EDT 1 Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare
    ACI 350M : 2006 METRIC CODE REQUIREMENTS FOR ENVIRONMENTAL ENGINEERING CONCRETE STRUCTURES AND COMMENTARY
    ACI 349M : 2013 CODE REQUIREMENTS FOR NUCLEAR SAFETY-RELATED CONCRETE STRUCTURES AND COMMENTARY
    ACI 351.2R : 2010 REPORT ON FOUNDATIONS FOR STATIC EQUIPMENT
    ANSI C135.1 : 1999 ZINC-COATED STEEL BOLTS AND NUTS FOR OVERHEAD LINE CONSTRUCTION
    ASME B18.13 : 2017 SCREW AND WASHER ASSEMBLIES - SEMS (INCH SERIES)
    ASTM D 6255/D6255M : 2005 : R2011 Standard Specification for Steel or Aluminum Slotted Angle Crates
    ASTM F 1155 : 2010 : R2015 Standard Practice for Selection and Application of Piping System Materials
    ASTM F 1142 : 1998 : R2012 Standard Specification for Manhole Cover Assembly, Bolted, Semi-Flush, Oiltight and Watertight
    ASTM A 1056 : 2012 : R2017 Standard Specification for Cast Iron Couplings Used for Joining Hubless Cast Iron Soil Pipe and Fittings
    ASTM D 6256/D6256M : 2016 : REDLINE Standard Specification for Wood-Cleated Shipping Boxes with Skidded, Load-Bearing Bases
    ASTM F 593 : 2017 : REDLINE Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs
    ASTM B 746/B746M : 2016 : REDLINE Standard Specification for Corrugated Aluminum Alloy Structural Plate for Field-Bolted Pipe, Pipe-Arches, and Arches
    NBR 15827 : 2014 INDUSTRIAL VALVES FOR INSTALLATIONS OF EXPLORATION, PRODUCTION, REFINING AND TRANSPORT OF PETROL PRODUCTS - REQUIREMENTS FOR DESIGN AND PROTOTYPE TEST
    ANSI Z21.10.3 : 2015 GAS-FIRED WATER HEATERS, VOLUME 3, STORAGE WATER HEATERS WITH INPUT RATINGS ABOVE 75,000 BTU PER HOUR, CIRCULATING AND INSTANTANEOUS
    ANSI/CSA-B149.6-15 Code for digester gas, landfill gas, and biogas generation and utilization
    EN 61518:2001/corrigendum:2002 MATING DIMENSIONS BETWEEN DIFFERENTIAL PRESSURE (TYPE) MEASURING INSTRUMENTS AND FLANGED-ON SHUT-OFF DEVICES UP TO 413 BAR (41,3 MPA)
    MSS SP 110 : 2010 BALL VALVES THREADED, SOCKET-WELDING, SOLDER JOINT, GROOVED AND FLARED ENDS
    CSA O86 : 2014 ENGINEERING DESIGN IN WOOD
    IEC 61518:2001 MATING DIMENSIONS BETWEEN DIFFERENTIAL PRESSURE (TYPE) MEASURING INSTRUMENTS AND FLANGED-ON SHUT-OFF DEVICES UP TO 413 BAR (41,3 MPA)
    NASA KSC STD Z 0006 : 1995 DESIGN OF HYPERGOLIC PROPELLANTS GROUND SUPPORT EQUIPMENT, STANDARD FOR
    NASA KSC STD Z 0007 : 1973 DESIGN OF HYDROCARBON FUEL GROUND SUPPORT EQUIPMENT, STANDARD FOR
    NASA STD 8719.24 : 2011 NASA EXPENDABLE LAUNCH VEHICLE PAYLOAD SAFETY REQUIREMENTS
    NASA SSTD 8070 0069 : 2008 LOW PRESSURE VACUUM JACKETED PIPE
    CSA/ANSI Z21.10.1:19/CSA 4.1:19 Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or less
    ANSI Z21.89 : 2017 OUTDOOR COOKING SPECIALTY GAS APPLIANCES
    NASA SSTD 8070 0047 : 2016 STANDARD FOR STAINLESS STEEL PIPING SYSTEMS AA, ACK1, ACK4, ACK6, B, BCK1, BCK3, BCK4, BCK6, BCK10, C, EE, G, H, JJ, K3, L1, L2, NCK1, NCK2, NCK3, NCK10, NCK11, P, R, T, AND Z
    MIL HDBK 454 : B GENERAL GUIDELINES FOR ELECTRONIC EQUIPMENT
    ANSI Z21.10.1 : 2017 GAS WATER HEATERS, VOLUME 1, STORAGE WATER HEATERS WITH INPUT RATINGS OF 75,000 BTU PER HOUR OR LESS
    ANSI/CSA NGV 5.1-2016 (R2020) Residential fueling appliances
    ASHRAE 26 : 2010 MECHANICAL REFRIGERATION AND AIR-CONDITIONING INSTALLATIONS ABOARD SHIP
    ANSI Z83.11 : 2016 GAS FOOD SERVICE EQUIPMENT
    CSA NGV 5.1 : 2016 RESIDENTIAL FUELING APPLIANCES
    ASME B31.5 : 2016 REFRIGERATION PIPING AND HEAT TRANSFER COMPONENTS

    Standards Referencing This Book - (Show below) - (Hide below)

    ASME B94.11M : 1993 TWIST DRILLS
    ASME B18.18 : 2017 QUALITY ASSURANCE FOR FASTENERS
    MIL F 18240 : E FASTENER ELEMENT, SELF-LOCKING, THREADED FASTENER, 250 DEG F MAXIMUM
    ASTM F 593 : 2017 : REDLINE Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs
    SAE J 429 : 2014 MECHANICAL AND MATERIAL REQUIREMENTS FOR EXTERNALLY THREADED FASTENERS
    ASME Y14.5 : 2009 DIMENSIONING AND TOLERANCING
    ASME B18.2.6 : 2010 FASTENERS FOR USE IN STRUCTURAL APPLICATIONS
    ASME B18.12 : 2012 Glossary of Terms for Mechanical Fasteners (B18.12 - 2012)
    ASTM A 449 : 2014 : REDLINE Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use
    MS 15981 : D FASTENER, EXTERNALLY THREADED, SELF LOCKING DESIGN AND USAGE LIMITATIONS FOR
    ASME B18.24 : 2015 PART IDENTIFYING NUMBER (PIN) CODE SYSTEM STANDARD FOR B18 FASTENER PRODUCTS
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