IS 12153 : 1987 Specification for Adapters for Hexagonal Insert Bits for Use with Ratchet Screw Drivers
| UDC 621.883.7 - 2 : 621.838.216 | PGD 34 |
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| Reaffirmed 2013 |
1 Scope
Covers dimensions and other requirements of adapters which fitonto screw driver bits with male hexagonal drive end, for use withratchet screw drivers.