BSI - BS 328A
Drills and reamers. Twist drill sizes superseding drill gauge and letter sizes
inactive
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| Organization: | BSI |
| Publication Date: | 15 May 1963 |
| Status: | inactive |
scope:
Millimetre sizes of twist drills (with certain fractional-inch sizes).
Document History
BS 328A
May 15, 1963
Drills and reamers. Twist drill sizes superseding drill gauge and letter sizes
Millimetre sizes of twist drills (with certain fractional-inch sizes).