47152 Type 190-CN HSS CN-TECH™ Jobber Length 135Â degree Split Point Drill Bit (12 pack) 40mm ID Click here for spec sheet:

Click here for spec sheet: NAPL Spec Sheet

Bost-Bronz® bearings are one of the most effective bearings available for precision performance

Traditional cost effective collar design

the SNASTRS has an eccentric locking bearing insert

47152 Type 190-CN HSS CN-TECH™ Jobber Length 135Â degree Split Point Drill Bit (12 pack) 40mm ID Click here for spec sheet:Cryogenic treatment creates a more uniform grain structure by transforming retained austenite into martensite. Modifies the carbon micro structure through precipitation of carbides increasing resistance to wear. Nitride process diffuses nitrogen into the surface to create a case hardening resulting in superior tool life and exceptional corrosion resistance. Click Here for product catalog Proudly Manufactured in the U. S. A