BS 1981:1991
Current
Current
The latest, up-to-date edition.
Specification for unified machine screws and machine screw nuts
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
30-08-1991
Publisher
Applicable to machine screws and machine screw nuts having ISO inch screw threads and hexagon head and slotted or recessed heads with type Z and type V recess. Mechanical properties are specified for steel, brass and aluminium alloy screws and nuts.
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