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BS 1981:1972 | 31 Jul 1972 | BSI Knowledge
Standard
Withdrawn
BS 1981:1972
Specification for Unified machine screws and machine screw nuts
Published:
31 Jul 1972
•
Withdrawn:
30 Aug 1991
Overview
Preview
References
History
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Product Details
Descriptors
Hexagonal-head fasteners
Threads
Radius
Square-head fasteners
Gauges
Screws (bolts)
Diameter
Slotted-head fasteners
Recessed-head fasteners
Dimensions
Nuts
Cheese-head fasteners
Length
Countersunk fasteners
Pan-head fasteners
Unified screw threads
ICS Codes
21.060.10 Bolts, screws, studs
21.060.20 Nuts
Committee
FME/9
International relationships
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ISBN
0 580 07075 1
Publisher
BSI