Abrasive tools

Details Abrasive tools Abrasive tools

B - Operations, Transporting

24

D

B24D 99/00 (2010.01) B23P 11/00 (2006.01) B24D 5/06 (2006.01) E21B 10/56 (2006.01) E21B 10/62 (2006.01) B24D 17/00 (2006.01)

Patent

CA 2089122

ABSTRACT An abrasive tool such as a drill bit has a body with a working face (10). Undercut recesses (12) are formed in the working face (10). Cutting inserts (16) which present working ends (20) are located in the recesses (12). Locking means (24) in the recesses engage between the undercuts (14) and formations (22) on the inserts (16). This locks the inserts (16) against withdrawal from the recesses (12).

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