NEN-ISO 2540
Centre drills for centre holes with protecting chamfer - Type B
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 November 2016 |
| Status: | active |
| Page Count: | 17 |
| ICS Code (Drills, countersinks, reamers): | 25.100.30 |
scope:
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 for this type of drills. The flutes can be straight or spiral at the option of manufacturer. Unless otherwise stated, these drills are right-hand cutting. Annex A gives 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
NEN-ISO 2540
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...
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...