#40 HSS Threaded Shank Countersink (7/16") 12" Cobalt Aircraft Fractional Drills They are made from high-speed

They are made from high-speed tool steel

Our M35 cobalt drills are designed for easy drilling through the toughest materials

precision-ground to exact tolerances

SDS Carbide Tipped Drill Bits are designed for drilling stone or concrete

SIZE 2" OVERALL LENGTH 3-3/8" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 3/4" NUMBER OF FLUTES 1 SHANK TYPE ROUND CUTTING ANGLE 82° SUGGESTED PACK QTY 1

#40 HSS Threaded Shank Countersink (7/16") 12" Cobalt Aircraft Fractional Drills They are made from high-speedSpecifications PILOT SIZE #40 DECIMAL EQUIVALENT . 098" BODY DIAMETER 7 16" MATERIAL HIGH SPEED STEEL THREAD SIZE 1 4 28 CUTTING ANGLE 100 SUGGESTED PACK QTY 1 Threaded countersink cutters can be used in adjustable or micro stop countersinking tools with a 1 4 28 threaded drive. They are made from high speed tool steel, precision ground to exact tolerances, and form relieved to ensure a 100 countersink angle concentricity.