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BSI BS 7670-1:1993

Steel nuts and bolts for resistance projection welding. -- Specification for dimensions and properties
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BSI BS 7670-1:1993

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

PUBLISH DATE 1993
BSI BS 7670-1:1993

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.

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

SDO BSI: British Standards Institution
Document Number 7670-1
Publication Date Sept. 15, 1993
Language en - English
Page Count
Revision Level
Supercedes
Committee FME/9
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