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BSI
BS 7670-1:1993

BS 7670-1:1993

Current

Current

The latest, up-to-date edition.

Steel nuts and bolts for resistance projection welding. Specification for dimensions and properties

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-09-1993

Publisher

British Standards Institution

Committees responsible
Foreword
Specification
1 Scope
2 References
3 Definitions
4 Weld bolts
5 Weld nuts
Tables
1 Dimensions of weld bolts
2 Characteristics of weld bolts
3 Dimensions of square weld nuts
4 Dimensions of hexagonal weld nuts
5 Characteristics of weld nuts
Figures
1 Dimensions of weld bolts
2 Dimensions of square weld nuts
3 Dimensions of hexagonal weld nuts
List of references

For weld nuts and bolts threaded M3 to M12 inclusive and weld nuts threaded 7/16\'-20 UNF.

This Part of BS 7670 specifies the general dimensions, tolerances, materials and mechanical properties both for imperial weld nuts threaded 7/16–20UNF–2B and metric weld nuts and weld bolts with nominal thread diameters from M3 to M12 inclusive. The weld bolts have circular heads with three projections and the nuts are square with four projections or hexagonal with three projections for projection welding.

Committee
FME/9
DevelopmentNote
Supersedes 92/82393 DC. (10/2005) Reviewed and confirmed by BSI, January 2012. (12/2011)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 7670-2:1997 Steel nuts and bolts for resistance projection welding Specification for welding of weld nuts and weld bolts

BS 3643-1:1981 ISO metric screw threads Principles and basic data
BS EN 20898-2:1994 Mechanical properties of fasteners Nuts with specified proof load values. Coarse thread
BS 6587:1985 Method of acceptance inspection for fasteners
BS EN 20898-1:1992 Mechanical properties of fasteners Bolts, screws and studs
BS 499-1:1991 Welding terms and symbols Glossary for welding, brazing and thermal cutting
BS 6322-1:1982 Tolerances for fasteners Specification for tolerances of bolts, screws and nuts with thread diameters ≥ 1.6 mm and ≤ 150 mm and product grades A, B and C
BS 3654:1963 Specification for galvanized steel dustbins for dustless emptying
BS 1580-1&2(1962) : 1962 SPECIFICATION FOR UNIFIED SCREW THREADS - DIAMETERS 1/4 INCH AND LARGER
BS 7670-2:1997 Steel nuts and bolts for resistance projection welding Specification for welding of weld nuts and weld bolts

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Hardcopy - English
PDF - English
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