60 DEGREE CENTRE DRILLS - TYPES R, A, AND B

Available format(s)

Hardcopy , PDF

Language(s)

German, English

Published date

01-04-1986

Publisher

German Institute for Standardisation (Deutsches Institut für Normung)

Kein Inhaltsverzeichnis in der Norm vorhanden.

This standard is included in DIN Handbook 6. Centre drills dealt with in this standard are used for making 60degree centre holes as specified in DIN 332 Part 1, of Type R, of Type A for sizes up to and including 12,5 mm x 26,5 mm and of Type B for sizes up to and including 10 mm x 21,2 mm. Type A and B centre drills can also be used for making the centring portion of Type C centre holes as specified in DIN 332 Part 1, since the centring portion is the same for Types A, B and C centre holes.

DocumentType	Standard
Pages	4
PublisherName	German Institute for Standardisation (Deutsches Institut für Normung)
Status	Current

ISO 2541:2016	Centre drills for centre holes with radius form — Type R
ISO 2540:2016	Centre drills for centre holes with protecting chamfer — Type B
ISO 866:2016	Centre drills for centre holes without protecting chamfers — Type A