7/16"-#21 HSS Threaded Shank Stop Countersink Shopify Collective Most of the steps

Most of the steps

• Square Drive End – Attach a socket to the square drive end and use the long arm to generate high torque • Wobble Drive End – Gain at least 10 degrees of access in any direction with the wobble position • Strong 6140 Steel – Made from 6140 chromium-vanadium steel for strength and durability

JIS Grade 10

Optional Base Stand

3 to 10 mm stored in a durable holder with self-aligning key slots that allow keys to be removed and inserted without moving others out of the way

7/16"-#21 HSS Threaded Shank Stop Countersink Shopify Collective Most of the stepsProduct 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