47512 Type 190-CN HSS CN-TECH™ Jobber Length 135Â degree Split Point Drill Bit Set (1/16-1/2 by 64ths + A-Z +#1-60) 1/2" Bore Temperature Range: -40°F to +150°F

Temperature Range: -40°F to +150°F

Riser Block Kit

Size 75- 24mm Diameter x 50mm Usable Length

093" 115 psi 28" Hg 4 1/8" PR12

and most come with a selection of bore diameters

47512 Type 190-CN HSS CN-TECH™ Jobber Length 135Â degree Split Point Drill Bit Set (1/16-1/2 by 64ths + A-Z +#1-60) 1/2" Bore Temperature Range: -40°F to +150°FCryogenic 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