For weld nuts and bolts threaded M3 to M12 inclusive and weld nuts threaded 7/16"-20 UNF.
Cross References:
BS 499:Part 1
BS 1580:Parts 1 & 2
BS 3643:Part 1
BS 3643:Part 2
BS 3654:Part 1
BS 6322:Part 1
BS 6587
BS EN 20898-1
BS EN 20898-2
BS 7670:Part 2
Cross References:
BS 499:Part 1
BS 1580:Parts 1 & 2
BS 3643:Part 1
BS 3643:Part 2
BS 3654:Part 1
BS 6322:Part 1
BS 6587
BS EN 20898-1
BS EN 20898-2
BS 7670:Part 2
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