BS 2A 231:1993

Superseded

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Rolled threads for bolts. Lead and runout requirements

Available format(s)

Hardcopy , PDF

Superseded date

12-17-2020

Language(s)

English

Published date

07-15-1993

Publisher

British Standards Institution

Committees responsible
National foreword
1 Scope
2 Definitions
3 Symbols for threads
4 Lead and runout requirements
5 Inspection method

Specifies requirements and inspection method used in case of dispute.

Committee	ACE/12
DevelopmentNote	Also numbered as ISO 3353. Supersedes 90/75077 DC. (07/2005) Supersedes BS A231(1982). (12/2007)
DocumentType	Standard
Pages	14
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS ISO 3353-1:2020 BS ISO 3353-2:2020
Supersedes	BS A 231:1982

BS A 312:1997	Screws, pan head, internal offset cruciform ribbed or unribbed drive, stepped shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions
BS A 308:1994	Bolts, normal spline head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions
BS A 313:1997	Areospace. Screws, pan head, internal offset cruciform ribbed or unribbed drive, pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions
BS EN 2650:1997	Screws, pan head, slotted, threaded to head, in corrosion resisting steel, passivated. Classification: 600 MPa (at ambient temperature) /425°C
BS EN 3007:1996	Bolts, hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated. Classification: 900 MPa (at ambient temperature)/650°C
BS EN 2649:1995	Screws, pan head, slotted, threaded to head, in alloy steel, cadmium plated. Classification. 900 MPa (at ambient temperature)/235°C
BS EN 3037:1997	Screws, pan head, offset cruciform recess, close tolerance normal shank, short thread, in titanium alloy, anodized, MoS<sub>2</sub> lubricated. Classification: 1100 MPa (at ambient temperature)/315°C
BS EN 2652:1997	Screws, 100° countersunk normal head, slotted, threaded to head, in alloy steel, cadmium plated. Classification: 900 MPa (at ambient temperature)/235°C
BS A 309:1994	Bolts, large hexagonal head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions
BS A 311:1997	Aerospace. Screws, 100° reduced countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions
BS EN 2932:1996	Bolts, T-head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated. Classification: 900 MPa (at ambient temperature)/650°C
BS EN 2886:1996	Screws, pan head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification. 900 MPa (at ambient temperature)/235°C
BS EN 2926:1996	Bolts, double hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated. Classification: 900 MPa (at ambient temperature)/650°C
SBAC RS 678 : 6	FASTENERS, ROLLED THREADS, CHAMFERS, LEAD THREADS & RUNOUTS
BS EN 2651:1997	Screws, pan head, slotted, threaded to head, in brass, tin plated. Classification: 380 MPa (at ambient temperature)/80°C
BS EN 3112:1995	Bolts, normal hexagonal head, threaded to head, in alloy steel, cadmium plated. Classification: 900 MPa (at ambient temperature)/235°C
BS EN 2870:1996	Bolts, normal bihexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, MoS<sub>2</sub> lubricated. Classification: 1100 MPa (at ambient temperature) /315°C
BS EN 2939:1994	Screws, 100° countersunk head, offset cruciform recess, threaded to head in heat resisting steel FE-PA92HT (A286). Classification: 900 MPa (at ambient temperature)/650°C
BS EN 3063:1994	Bolts, double hexagon head, close tolerance shank, medium length thread, in heat resisting nickel base alloy NI-P101HT (Waspaloy). Classification: 1210 MPa (at ambient temperature)/730°C
BS EN 3381:1997	Screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in titanium, anodized, MoS<sub>2</sub> lubricated. Classification: 1100 MPa (at ambient temperature) /315°C
BS A 303:1994	Bolts, normal bihexagonal head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions
BS 2A241(2005) : 2005	GENERAL REQUIREMENTS FOR STEEL PROTRUDING-HEAD BOLTS OF TENSILE STRENGTH 1250 MPA (180000 LBF/IN[2]) OR GREATER - SPECIFICATION
BS EN 2929:1996	Bolts, double hexagon head, relieved shank, long thread, in heat resisting nickel base alloy NI-P101HT (Waspaloy). Classification: 1210 MPa (at ambient temperature)/730°C
BS EN 3006:1994	Bolts, hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286). Classification: 900 MPa (at ambient temperature)/650°C
BS EN 3304:1997	Screws, 100° countersunk reduced head, offset cruciform recess, close tolerance normal shank, short thread, in titanium alloy, anodized, MoS<sub>2</sub> lubricated. Classification: 1100 MPa (at ambient temperature)/315°C
BS EN 2587:1990	Specification for rod ends, adjustable double fork and threaded shank. Dimensions and loads
BS EN 3759:1997	Screws, pan head, offset cruciform recess, threaded to head, in heat and corrosion resisting steel, passivated. Classification: 1100 MPa (at ambient temperature)/425°C
BS EN 2930:1996	Bolts, double hexagon head, relieved shank, long thread, in heat resisting nickel base alloy NI-P101HT (Waspaloy), silver plated. Classification:1210 MPa (at ambient temperature)/730°C
BS EN 3740:1997	Bolts, shouldered, thin hexagonal head, close tolerance shank, short thread, in titanium alloy, anodized, MoS<sub>2</sub> lubricated. Classification: 1100 MPa (at ambient temperature)/315°C
BS EN 2885:1996	Screws, pan head, offset cruciform recess, coarse tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification: 900 MPa (at ambient temperature)/235°C
BS EN 3307:1997	Screws, pan head, offset cruciform recess, threaded to head, in titanium alloy, anodized, MoS<sub>2</sub> lubricated. Classification: 1100 MPa (at ambient temperature)/315°C
BS EN 2897:1996	Screws, pan head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification: 1100 MPa (at ambient temperature) /235°C
BS EN 2887:1995	Bolts, normal hexagonal head, threaded to head, in corrosion resisting steel, passivated. Classification: 600 MPa (at ambient temperature)/425°C
BS EN 2934:1996	Bolts, T-head, relieved shank, long thread, in heat resisting nickel base alloy NI-P100HT (Inconel 718), silver plated. Classification:1275 MPa (at ambient temperature)/650°C
BS EN 2925:1994	Bolts, double hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A 286). Classification: 900 MPa (at ambient temperature)/650°C
BS EN 3308:1996	Screws, normal hexagonal head, threaded to head, in titanium alloy, anodized, MoS<sub>2</sub> lubricated. Classification. 1100 MPa (at ambient temperature) /315°C
BS EN 2884:1996	Screws, pan head, offset cruciform recess, coarse tolerance normal shank, short thread, in titanium alloy, anodized MoS<sub>2</sub> lubricated. Classification: 1100 MPa (at ambient temperature)/315°C
BS EN 2654:1997	Screws, 100° countersunk normal head, slotted, threaded to head, in brass, tin plated. Classification: 380 MPa (at ambient temperature)/80°C
BS EN 3038:1997	Screws, pan head, offset cruciform recess, close tolerance normal shank, short thread, in heat and corrosion resisting steel, passivated. Classification: 1100 MPa (at ambient temperature)/425°C
BS EN 3035:1997	Screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification: 1100 MPa (at ambient temperature)/235°C
BS EN 2933:1996	Bolts, T-head, relieved shank, long thread, in heat resisting nickel base alloy NI-P100HT (Inconel 718). Classification:1275 MPa (at ambient temperature)/650°C
BS EN 3306:1996	Screws, 100° countersunk normal head, offset cruciform recess, threaded to head, in titanium alloy, anodized, MoS<sub>2</sub> lubricated. Classification. 1100 MPa (at ambient temperature)/315°C
BS EN 2927:1996	Bolts, double hexagon head, relieved shank, long thread, in heat resisting nickel base alloy NI-P100HT (Inconel 718). Classification:1275 MPa (at ambient temperature)/650°C
BS EN 2937:1994	Screws, hexagon head, threaded to head in heat resisting steel FE-PA92HT (A286) classification: 900 MPa (at ambient temperature)/650°C
BS EN 3760:1997	Screws, 100° countersunk normal head, offset cruciform recess, threaded to head, in heat and corrosion resisting steel, passivated. Classification: 1100 MPa (at ambient temperature)/425°C
BS EN 2936:1996	Bolts, T-head, relieved shank, long thread, in heat resisting nickel base alloy NI-P101HT (Waspaloy), silver plated. Classification: 1210 MPa (at ambient temperature)/730°C
BS EN 2931:1993	Bolts, T-head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286). Classification: 900 MPa (at ambient temperature)/650°C
BS EN 2940:1996	Screws, 100° countersunk head, offset cruciform recess, threaded to head, in heat resisting steel FE-PA92HT (A 286), silver plated. Classification: 900MPa (at ambient temperature)/650°C
BS EN 2653:1997	Screws, 100° countersunk normal head, slotted, threaded to head, in corrosion resisting steel, passivated. Classification: 600 MPa (at ambient temperature) /425°C
EN 2937 : 1994	AEROSPACE SERIES - SCREWS, HEXAGON HEAD, THREADED TO HEAD, IN HEAT RESISTING STEEL FE-PA92HT (A286) - CLASSIFICATION: 900 MPA (AT AMBIENT TEMPERATURE)/650 DEGREE C
BS A 307:1994	Bolts, normal spline head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions
BS A 304:1994	Bolts, normal bihexagonal head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa. Dimensions
BS EN 3379:1996	Bolts, double hexagon head, close tolerance shank, medium length thread, in heat resisting nickel base alloy NI-P101HT (Waspaloy), for increased height nuts. Classification: 1210 MPa (at ambient temperature)/730°C
BS EN 2938:1996	Screws, hexagon head, threaded to head, in heat resisting steel FE-PA92HT (A 286), silver plated. Classification: 900 MPa (at ambient temperature)/650°C
BS EN 3305:1997	Screws, 100° countersunk reduced head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification: 1100 MPa (at ambient temperature)/235°C
BS EN 2935:1996	Bolts, T-head, relieved shank, long thread, in heat resisting nickel base alloy NI-P101HT (Waspaloy). Classification:1210 MPa (at ambient temperature)/730°C
BS EN 3543:1997	Screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in heat and corrosion resisting steel, passivated. Classification: 1100 MPa (at ambient temperature)/425°C
BS EN 2928:1996	Bolts, double hexagon head, relieved shank, long thread, in heat resisting nickel base alloy NI-P100HT (Inconel 718), silver plated. Classification: 1275 MPa (at ambient temperature)/650°C
BS EN 2874:1996	Bolts, large bihexagonal head, close tolerance normal shank, medium length thread, in heat resisting nickel base alloy, passivated. Classification: 1550 MPa (at ambient temperature) /315°C