1/2"-"D" HSS Threaded Shank Stop Countersink BoltsandNuts.com Size 1-1/2"-100

Size 1-1/2"-100

The thread tapers 3/4 of an inch per foot

High Quality Black Front / White Back Patch Vintage BoltsandNuts

They may also be used to thread mild steels

1/2"-"D" HSS Threaded Shank Stop Countersink BoltsandNuts.com Size 1-1/2"-100Product 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 TSC1 2 D Size 1 2" "D" Material High Speed Steel Finish Uncoated (Bright) Body Diameter 1 2" Shank Type