#16 HSS Threaded Shank Countersink (3/8") Hex Shank Step Drills SIZE 7/8" OVERALL LENGTH 4-1/4"

SIZE 7/8" OVERALL LENGTH 4-1/4" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1/2" NUMBER OF FLUTES 4 SHANK TYPE ROUND CUTTING ANGLE 82° SUGGESTED PACK QTY 1

They feature carbide cutting edges for wear resistance and a steel shank for toughness

high-tensile materials with ease

These drills have a 5-1/2" drilling depth and are sold individually

These bits can be used with various materials such as aluminum

#16 HSS Threaded Shank Countersink (3/8") Hex Shank Step Drills SIZE 7/8" OVERALL LENGTH 4-1/4"Specifications PILOT SIZE #16 DECIMAL EQUIVALENT . 177" BODY DIAMETER 3 8" 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.