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Specification. Unified black hexagon bolts, screws, nuts (UNC & UNF threads). Heavy series.
STANDARD published on 24.9.1951
Designation standards: BS 1769:1951
Publication date standards: 24.9.1951
SKU: NS-60423
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Category: Technical standards BS
Dimensions, general requirements for sizes 1/2 in to 2 in. Dimensions of bolts, screws, ordinary nuts, lock nuts, slotted nuts, bolts faced under the head and machined on shank, machined nuts. Formulae for calculation of dimensions for bolts, screw heads, nuts in intermediate sizes, and sizes larger than 2 in. Status: Confirmed Replaced by: Confirmed
WITHDRAWN
28.2.2010
WITHDRAWN
15.11.1999
15.11.1999
15.11.1999
15.11.1999
30.9.2011
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Latest update: 2025-05-15 (Number of items: 2 200 082)
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