3/8" 60° Solid Carbide Countersink 12" Cobalt Aircraft Number Drills Used for installing 1/4" Diameter

Used for installing 1/4" Diameter Tapcon anchors using an SDS Plus hammer drill

4-flute countersinks

Shear Strength: 380Lbf [1

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

3/8" 60° Solid Carbide Countersink 12" Cobalt Aircraft Number Drills Used for installing 1/4" DiameterSpecifications SIZE 3 8" OVERALL LENGTH 2 3 4" MATERIAL CARBIDE FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1 4" NUMBER OF FLUTES 6 SHANK TYPE ROUND CUTTING ANGLE 60 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.