BS 57:1951
Specification. B.A. screws bolts and nuts

Standard No.

BS 57:1951

Release Date

1951

Published By

British Standards Institution (BSI)

Status

Be replaced

Replace By

BS 3410:1961

BS 57:1951(1999)

Latest

BS 57:1951(1999)

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.

BS 57:1951 history

• 0000 BS 57:1951(1999)
• 1961 BS 3410:1961 Specification for metal washers for general engineering purposes
• 1951 BS 57:1951 Specification. B.A. screws bolts and nuts