3/8" 60° HSS 6-Flute Chatterless Countersink 1 pack are commonly used to countersink

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

and other thin materials without the need for center punching

Jobber (standard) length drill bit

098" BODY DIAMETER 7/16" MATERIAL HIGH SPEED STEEL THREAD SIZE 1/4-28 CUTTING ANGLE 100° SUGGESTED PACK QTY 1

It displays high red hardness

3/8" 60° HSS 6-Flute Chatterless Countersink 1 pack are commonly used to countersinkSpecifications SIZE 3 8" OVERALL LENGTH 2" MATERIAL HIGH SPEED STEEL 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.