5/16" 120° HSS 6-Flute Chatterless Countersink 6" Cobalt Aircraft Fractional Drills SIZE 1-1/4" OVERALL LENGTH 3-3/8"

SIZE 1-1/4" 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

SIZE 2" OVERALL LENGTH 4-3/8" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1" NUMBER OF FLUTES 6 SHANK TYPE ROUND CUTTING ANGLE 82° SUGGESTED PACK QTY 1

KFD Killer Force Drill Bits are designed for hand-held and impact drills

Ideal for hard metals

A versatile drill for production

5/16" 120° HSS 6-Flute Chatterless Countersink 6" Cobalt Aircraft Fractional Drills SIZE 1-1/4" OVERALL LENGTH 3-3/8"Specifications SIZE 5 16" OVERALL LENGTH 2" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1 4" NUMBER OF FLUTES 6 SHANK TYPE ROUND CUTTING ANGLE 120 SUGGESTED PACK QTY 1 6 flute countersinks, also known as chatterless countersinks, are designed to remove more metal compared to countersinks with fewer flutes. They are also more effective on harder materials and provide a more chatter free cut.