3/8″-#21 HSS Threaded Shank Stop Countersink

Product Description
Countersink cutters may be used in all popular adjustable or micro-stop countersinking units utilizing a 1/4-28 threaded shank drive. Made from the finest high speed tool steel. Precision ground to exacting tolerances and form relived to insure concentricity of 100 degree countersink angle.

Brand Drill America
Part Number TSC3/8-21
Size 3/8″-#21
Material High Speed Steel
Finish Uncoated (Bright)
Body Diameter 3/8″
Shank Type Threaded
Countersink Angle 100
Shank Size 1/4″-28
Length 2-1/2″
Pilot Diameter #21