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BS 1981:1972

Specification for Unified machine screws and machine screw nuts

Standard Details

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 No. 0 to ¾ in but varies according to head style. Metric slot widths included as an appendix.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: BS 1981:1972
Document Year: 1972
  • Section Volume:
  • GBM11 Screw Threads & Fasteners (GMB11)

Life Cycle

Confirmed

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WITHDRAWN
BS 1981:1972

WITHDRAWN
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