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BSI BS 3172:1987

Specification for screw threads for spectacle frames
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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.

SDO BSI: British Standards Institution
Document Number 3172
Publication Date Nov. 30, 1987
Language en - English
Page Count
Revision Level
Supercedes
Committee CH/172/3
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