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Boston Gear manufactures both 14 1/2° and 20° PA
Click here for spec sheet: SBLF-H4 Spec Sheet
Max V Value: 400 fpm
Ideal for space constrained areas
Weight: 29
47932 Type 190-CN HSS CN-TECH™ Jobber Length 135Â degree Split Point Drill Bit (12 pack) 9mm ID Boston Gear manufactures both 14Cryogenic 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
