2" 60° HSS 6-Flute Chatterless Countersink 12" Cobalt Aircraft Fractional Drills Engineered for performance

Engineered for performance

SIZE 1/2" OVERALL LENGTH 2" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1/4" NUMBER OF FLUTES 1 SHANK TYPE ROUND CUTTING ANGLE 100° SUGGESTED PACK QTY 1

SIZE 1-3/4" OVERALL LENGTH 4-1/4" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 1" NUMBER OF FLUTES 6 SHANK TYPE ROUND CUTTING ANGLE 90° SUGGESTED PACK QTY 1

1590" BODY DIAMETER 1/2" MATERIAL HIGH SPEED STEEL THREAD SIZE 1/4-28 CUTTING ANGLE 100° SUGGESTED PACK QTY 1

as well as a 1/2" reduced shank that can be used in a wide range of tool-holding systems

2" 60° HSS 6-Flute Chatterless Countersink 12" Cobalt Aircraft Fractional Drills Engineered for performanceSpecifications 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 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.