BSI BS 3172:1987

Withdrawn Revision
Specification for screw threads for spectacle frames

Best Price Guarantee Nov 30, 1987 English 4 Pages

This Document Has Been Superseded

A newer publication replaces it: BSI BS EN ISO 11381


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BSI BS 3172:1987

Specification for screw threads for spectacle frames

PUBLISH DATE 1987
PAGES 4
BSI BS 3172:1987

Requirements for ISO metric screw threads, related taps and gauges, and the tolerance on the length of screw.

Includes recommendations for gauging practice.

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