Efficient drill design for countersinking or metal drilling uses only two flutes instead of three and made of carbide instead of "high-speed" steel. Tool performance and service life increased.
Countersink Drill
NASA Tech Briefs ; 8 , 3
1985-01-01
Miscellaneous
No indication
English
British Library Conference Proceedings | 2015
|SAE | 2015
|Short Crack Evolution in Countersink Geometries
British Library Conference Proceedings | 2002
|