NEN-ISO 2540
Centre drills for centre holes with protecting chamfer (Type B)
inactive
| Organization: | NEN |
| Publication Date: | 1 March 1978 |
| Status: | inactive |
| Page Count: | 6 |
| ICS Code (Drills, countersinks, reamers): | 25.100.30 |
scope:
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.
Document History
November 1, 2016
Centre drills for centre holes with protecting chamfer - Type B
NEN-ISO 2540 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...
NEN-ISO 2540
March 1, 1978
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...