3/8"-82 HSS 6 Flute Chatterless Countersink Quantity:1 and the single half-moon pawl

and the single half-moon pawl maintains 12 teeth engaged with the gear at all times

4 Flute countersinks (or machine countersinks) are designed for countersinking holes for centers or for enlarging existing holes

Part Number: 50F600HCSSS/316

Overall Length: 23"

Part Number DWTMHX4

3/8"-82 HSS 6 Flute Chatterless Countersink Quantity:1 and the single half-moon pawlProduct Description 6 Flute chatterless countersinks are designed to provide more metal removes than the 1,2,3 and 4 flute countersinks. They are also more effective on harder materials. Brand Drill America Part Number DEWCHAT3 8 82 Size 3 8" 82 Material High Speed Steel Finish Uncoated (Bright) Body Diameter 3 8" Shank Type Round Countersink Angle 82 Shank Size 1 4" Length 2" Number of Flutes 6