ISO 866
Centre drills for centre holes without protecting chamfers - Type A
active, Most Current
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| Organization: | ISO |
| Publication Date: | 15 August 2016 |
| Status: | active |
| Page Count: | 14 |
| 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, which are regarded as the only recommended dimensions in the future for this type of drill.
The flutes may be straight or spiral, depending on the manufacturer's discretion.
Unless otherwise indicated, these drills will be right-hand cutting.
Recommended dimensions for Type A centre holes, which can be obtained by a rational use of the centre drills listed in this International Standard, are given in Annex A.
Document History
ISO 866
August 15, 2016
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, which are regarded as the only...
January 1, 1975
Centre Drills for Centre Holes without Protecting Chamfers - Type A
SCOPE AND FIELD OF APPLICATION
This International Standard specifies the dimensions of centre drills for centre holes without protecting chamfers — Type A.
It covers only metric dimensions,...