Centre drills for centre holes without protecting chamfers. Type A
Centre drills for centre holes without protecting chamfers. Type A
This site uses cookies and visit counters for operation and statistics. Privacy policy
What is ISO 866 – Type-A centre drills about?
ISO 866 Standard specifies the dimensions of centre drills for centre holes without protecting chamfers (Type A). ISO 866 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.
Who is ISO 866
Mentioned in the description and other BS standards
