1-1/2" 120° HSS 6-Flute Chatterless Countersink 90° Single-Flute Countersinks Our premium SDS Drill Bits

Our premium SDS Drill Bits are auto-weld manufactured with a Japanese-made carbide tip

heat-treated and temperature for long life

Size 5/16" - 25/32 Overall Length 2-1/32" Material High Speed Steel Finish Uncoated (Bright) Shank Size 1/4" Style Weldon Cutting Angle 90° Suggested Pack QTY 1

and other hard metals

1285" BODY DIAMETER 1/2" MATERIAL HIGH SPEED STEEL THREAD SIZE 1/4-28 CUTTING ANGLE 100° SUGGESTED PACK QTY 1

1-1/2" 120° HSS 6-Flute Chatterless Countersink 90° Single-Flute Countersinks Our premium SDS Drill BitsSpecifications SIZE 1 1 2" OVERALL LENGTH 3 1 2" MATERIAL HIGH SPEED STEEL FINISH UNCOATED (BRIGHT) SHANK DIAMETER 3 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.