BSI - BS 57
Specification for B.A. Screws bolts and nuts
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| Organization: | BSI |
| Publication Date: | 31 March 1951 |
| Status: | active |
| Page Count: | 22 |
| ICS Code (Bolts, screws, studs): | 21.060.10 |
| ICS Code (Nuts): | 21.060.20 |
scope:
Heads: cheese, round, countersunk, raised-countersunk, hexagonal; hexagonal nuts, ordinary and locknut; range No. 0 to No. 16 B.A. Standard lengths of screws.
Document History
BS 57
March 31, 1951
Specification for B.A. Screws bolts and nuts
Heads: cheese, round, countersunk, raised-countersunk, hexagonal; hexagonal nuts, ordinary and locknut; range No. 0 to No. 16 B.A. Standard lengths of screws.
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