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BSI - BS 1981

Specification for Unified Machine Screws and Machine Screw Nuts

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Organization: BSI
Publication Date: 30 August 1991
Status: active
Page Count: 48
ICS Code (Bolts, screws, studs): 21.060.10
ICS Code (Nuts): 21.060.20
scope:

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.

Document History

BS 1981
August 30, 1991
Specification for Unified Machine Screws and Machine Screw Nuts
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...
August 30, 1991
Unified Machine Screws and Machine Screw Nuts
A description is not available for this item.
July 31, 1972
Specification for Unified machine screws and machine screw nuts
Materials, dimensions and tolerances for slotted and recessed screws with countersunk, pan, raised cheese and raised countersunk heads and plain slotted hexagon head screws. Overall diameter range...

References

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