3/8"-#6 HSS Threaded Shank Stop Countersink BoltsandNuts.com High speed steel hex dies

High speed steel hex dies are for re-threading "or cleaning" bruised or rusty threads or making new threads

Part Number: EZ-SK21215

offset head on this hammer is designed to reach over a piston ring compressor and drive pistons deep into the bore while still providing the non-marring

Additionally

Internal Diameter: 3/8"-16

3/8"-#6 HSS Threaded Shank Stop Countersink BoltsandNuts.com High speed steel hex diesProduct 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 6 Size 3 8" #6 Material High Speed Steel Finish Uncoated (Bright) Body Diameter 3 8" Shank Type Threaded