IS 6708 : 1977 Specification for Centre Drills Type A
| UDC 621.951.43 | PGD 32 |
|
| Reaffirmed 2018 |
1 Scope
Covers the dimensions and requirements for centre drills type A,suitable for centre holes without protecting chamfers according toIS 2473 : 1975 `Dimensions for centre holes.