#16 HSS Threaded Shank Countersink (3/8") Hex Shank Step Drills These drills have a 5-1/2"

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

SIZE 3/4" OVERALL LENGTH 2-5/8" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1/2" NUMBER OF FLUTES 3 SHANK TYPE ROUND CUTTING ANGLE 60° SUGGESTED PACK QTY 1

Additionally

or portable drilling jobs

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

#16 HSS Threaded Shank Countersink (3/8") Hex Shank Step Drills These drills have a 5-1/2"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.