7/16"-#12 HSS Threaded Shank Stop Countersink Contiguous 48 US States They are surface treated with

They are surface treated with abrasion-resistant black oxide and made of high speed steel with a 118° conventional point

Neoprene Wrist Closure For Secure Fit

Part Number DWTST2-1/4-18P

and extends the capability of your existing socket system

Part Number DWT60812

7/16"-#12 HSS Threaded Shank Stop Countersink Contiguous 48 US States They are surface treated withProduct 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 TSC7 16 12 Size 7 16" #12 Material High Speed Steel Finish Uncoated (Bright) Body Diameter 7 16" Shank Type