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BSI BS A 297:1987

Specification for internal drive, offset cruciform recess (Torq-Set(R)) for rotary fastening devices. Metric series
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BSI BS A 297:1987

Specification for internal drive, offset cruciform recess (Torq-Set(R)) for rotary fastening devices. Metric series

PUBLISH DATE 1987
BSI BS A 297:1987

This International Standard specifies maximum and minimum dimensional requirements for an internal drive recess configuration for rotary fastening devices, and for the associated drivers and gauges, for metric design. The combinations suggested herein are provided for metric shank diameters.

Specifies maximum and minimum dimensional requirements for rotary fastening devices, and for associated drivers and gauges, for metric design.
SDO BSI: British Standards Institution
Document Number A 297
Publication Date March 31, 1987
Language en - English
Page Count
Revision Level
Supercedes
Committee ACE/12
Publish Date Document Id Type View
March 31, 1987 BS A 297:1987 Revision