ISO 2540
Centre Drills for Centre Holes with Protecting Chamfer - Type B
inactive
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| Organization: | ISO |
| Publication Date: | 1 January 1973 |
| Status: | inactive |
| Page Count: | 4 |
| ICS Code (Drills, countersinks, reamers): | 25.100.30 |
scope:
SCOPE AND FIELD OF APPLICATION
This International Standard specifies the dimensions of centre drills for centre holes with protecting chamfer - Type B.
It covers only metric dimensions, regarded as the only recommended dimensions in the future for this type of drills.
The flutes may be straight or spiral at the option of the manufacturer.
Unless otherwise stated these drills will be right-hand cutting.
This International Standard includes an Annex giving the recommended dimensions for the centre holes, Type B, which can be obtained by a rational use of the centre drills listed in this International Standard.
Document History
November 1, 2016
Centre drills for centre holes with protecting chamfer - Type B
This International Standard specifies the dimensions of centre drills for centre holes with protecting chamfer — Type B.
It covers only metric dimensions, regarded as the only recommended dimensions...
ISO 2540
January 1, 1973
Centre Drills for Centre Holes with Protecting Chamfer - Type B
SCOPE AND FIELD OF APPLICATION
This International Standard specifies the dimensions of centre drills for centre holes with protecting chamfer - Type B.
It covers only metric dimensions, regarded as...