7/16"-#21 HSS Threaded Shank Stop Countersink Quantity:1 Part Number: BIT-D/ACO3/8X9/16

Part Number: BIT-D/ACO3/8X9/16

resulting in a higher performing tool than one-piece designs • Permanent Connection – The bit is pressed directly into the socket for a permanent connection that won't loosen over time or under stress • Two Size Markings – The size is marked with a high-visibility laser marking and a permanent stamped marking that won't rub off • Friction Ring or Detent Pin Anvils – Smooth walls inside the drive end and a detent pin hole make the bit sockets compatible with both drive tool anvil types • Socket Rail – The twist-to-lock clips on the rail hold sockets securely and can be repositioned anywhere along the rail

Part Number: Assortment Kit #102370 Pieces - Coarse Thread

Our square tips are precisely machined to the classic tapered square profile for a precise fit in square-drive screws

Part Number: Assortment Kit #327165 Pieces - Black Nylon Screw and Drive Pin Push Type Retainers

7/16"-#21 HSS Threaded Shank Stop Countersink Quantity:1 Part Number: BIT-D/ACO3/8X9/16Product 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 21 Size 7 16" #21 Material High Speed Steel Finish Uncoated (Bright) Body Diameter 7 16" Shank Type