3/8"-120 HSS 6 Flute Chatterless Countersink Quantity:1 Part Number DWRR11/16

Part Number DWRR11/16

one side has a 2 to 3 thread chamfer for threading and the other side has a 1 to 2 thread chamfer for threading close to a shoulder

Part Number DWTSMH13X1

Tap Size m30 x 3

Part Number: Assortment Kit #562516 Pieces

3/8"-120 HSS 6 Flute Chatterless Countersink Quantity:1 Part Number DWRR11/16Product 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 8 120 Size 3 8" 120 Material High Speed Steel Finish Uncoated (Bright) Body Diameter 3 8" Shank Type Round Countersink Angle 120 Shank Size 1 4" Length 2" Number of Flutes 6