NEN-ISO 866
Centre drills for centre holes without protecting chamfers (Type A)
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 without protecting chamfers - Type A. It covers only metric dimensions, regarded as the only recommended dimensions in the future for this type of drill. The flutes may be straight or spiral at the option of the manufacturer. Unless otherwise indicated, these drills will be right-hand cutting.
Document History
August 1, 2016
Centre drills for centre holes without protecting chamfers - Type A
NEN-ISO 866 specifies the dimensions of centre drills for centre holes without protecting chamfers (Type A). It covers only metric dimensions, which are regarded as the only recommended dimensions in...
NEN-ISO 866
March 1, 1978
Centre drills for centre holes without protecting chamfers (Type A)
This International Standard specifies the dimensions of centre drills for centre holes without protecting chamfers - Type A. It covers only metric dimensions, regarded as the only recommended...