These Snappy tapered countersink drills are designed to be used with tapered wood screws. Countersink or counterbore, in one step they will drill the proper size hole for the screw thread, shank and head. This 3-pc. set consists of a 9/64", 11/64" and 13/64" drill sizes for #6, #8 and #10 screws.

Most countersinks perform poorly, slipping on the drill bit after only a few holes. The Snappy countersink system won't allow the countersink to spin due to it's oversized ¼" gold socket head screw holding the countersink securely to the tapered drill bit. This same design allows you to easily adjust the length of the drill bit to match the length of your screws. Alloy steel, thru-hardened to cut hardwoods and composites, can be resharpened for a long cutting life. 82 degree countersink angle allows screw heads to set tight and flush to the surface. The ¼" standard hex shank, fits all quick change chucks, impact drivers, or all drill chucks.