5/16"-90 HSS 6 Flute Chatterless Countersink Quantity:1 Length 3-5/32"

Length 3-5/32"

Part Number KFDRSD51/64

Part Number: Assortment Kit #142540 Pieces - Coarse Thread

or damaged bolts that are stuck in the workpiece

Part Number: 75C250BFL8Y

5/16"-90 HSS 6 Flute Chatterless Countersink Quantity:1 Length 3-5/32"Product 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 DEWCHAT5 16 90 Size 5 16" 90 Material High Speed Steel Finish Uncoated (Bright) Body Diameter 5 16" Shank Type Round Countersink Angle 90 Shank Size 1 4" Length 2" Number of Flutes 6