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

Standard No.

BS A 297:1987

Release Date

1987

Published By

British Standards Institution (BSI)

Latest

BS A 297:1987

Scope

Specifies maximum and minimum dimensional requirements for rotary fastening devices, and for associated drivers and gauges, for metric design.

BS A 297:1987 history

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