Tapered Drill Countersinks

Made in the USA Tapered Drill Countersinks. Make it Snappy Tools’ Tapered Drill Countersinks will drill the pilot hole for tapered wood screws or a clearance hole for straight screws and countersink or counterbore in one step.  Countersink to drive the head of the screw flush with or slightly below the surface. Counterbore to drive the screw below the surface and plug the hole. The 82° countersink angle matches the angle on the head of most wood screws. Countersink is made of thru-hardened alloy steel for long cutting life. Round-shank HSS Tapered twist drill set in a precision machined hex shank for use with quick change chucks and impact drivers. Two large, hardened set screws allow for easy depth adjustment and keep the countersink firmly secured to the twist drill.