5/16" HSS Threaded Shank Countersink (7/16") 12" HSS Aircraft Fractional Drills Threaded countersink cutters can be

Threaded countersink cutters can be used in adjustable or micro-stop countersinking tools with a 1/4-28 threaded drive

166" BODY DIAMETER 3/8" MATERIAL HIGH SPEED STEEL THREAD SIZE 1/4-28 CUTTING ANGLE 100° SUGGESTED PACK QTY 1

Single flute countersinks are great for chamfering

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

and productivity

5/16" HSS Threaded Shank Countersink (7/16") 12" HSS Aircraft Fractional Drills Threaded countersink cutters can beSpecifications PILOT SIZE 5 16" DECIMAL EQUIVALENT . 3125" 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.