BS 57:1951

Specification. B.A. screws bolts and nuts.

NORMA vydána dne 31.3.1951

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The information about the standard:

Designation standards: BS 57:1951
Publication date standards: 31.3.1951
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: British technical standard
Kategorie: Technické normy BS

Annotation of standard text BS 57:1951 :

Heads: cheese, round, countersunk, raised-countersunk, hexagonal; hexagonal nuts, ordinary and locknut; range No. 0 to No. 16 B.A. Standard lengths of screws. Status: Under Review Replaced by: Under Review