BS 1981:1991

Specification for unified machine screws and machine screw nuts.

STANDARD published on 30.8.1991

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The information about the standard:

Designation standards: BS 1981:1991
Publication date standards: 30.8.1991
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: British technical standard
Category: Technical standards BS

Annotation of standard text BS 1981:1991 :

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. Status: Confirmed