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Specification. B.A. screws bolts and nuts.
STANDARD published on 31.3.1951
Designation standards: BS 57:1951
Publication date standards: 31.3.1951
SKU: NS-71696
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: British technical standard
Category: Technical standards BS
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: Confirmed Replaced by: Confirmed
31.7.2009
WITHDRAWN
2.8.2005
15.11.1999
20.8.1965
31.8.2011
28.2.2011
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