1" 120° HSS 3-Flute Countersink 12" HSS Aircraft Fractional Drills are commonly used to countersink

are commonly used to countersink holes for centers or to enlarge existing holes

SIZE 5/8" OVERALL LENGTH 2-1/2" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1/2" NUMBER OF FLUTES 6 SHANK TYPE ROUND CUTTING ANGLE 60° SUGGESTED PACK QTY 1

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

6-flute countersinks

1" 120° HSS 3-Flute Countersink 12" HSS Aircraft Fractional Drills are commonly used to countersinkSpecifications SIZE 1" OVERALL LENGTH 3 1 2" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1 2" NUMBER OF FLUTES 3 SHANK TYPE ROUND CUTTING ANGLE 120 SUGGESTED PACK QTY 1 3 flute countersinks, also known as center reamers, are commonly used to countersink holes for centers or to enlarge existing holes.