7/16"-5/32" HSS Threaded Shank Stop Countersink Contiguous 48 US States and the through hole supports

and the through hole supports use with retaining pins

chrome-plated finish easily wipes clean and is highly resistant to corrosion • Four detent grooves provide a secure connection with the drive tools • Spring-loaded retaining balls latch into sockets and hold them securely in place

Part Number: 100C250NCPLSS

They're designed for use with both friction ring anvils and detent pin anvils

7/16"-5/32" HSS Threaded Shank Stop Countersink Contiguous 48 US States and the through hole supportsProduct 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 5 32 Size 7 16" 5 32" Material High Speed Steel Finish Uncoated (Bright) Body Diameter 7 16" Shank Type