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immediate downloadReleased: 1993-09-15
BS 7670-1:1993
Steel nuts and bolts for resistance projection welding. Specification for dimensions and properties
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| Standard number: | BS 7670-1:1993 |
| Pages: | 12 |
| Released: | 1993-09-15 |
| ISBN: | 0 580 21856 2 |
| Status: | Standard |
DESCRIPTION
BS 7670-1:1993
This standard BS 7670-1:1993 Steel nuts and bolts for resistance projection welding. is classified in these ICS categories:
- 25.160.01 Welding, brazing and soldering in general
- 21.060.20 Nuts
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.