Wide Application: Suitable for hand drills and conventional electric drills. Perfect for wood, fiberboard, particleboard, plywood, plastic, and is an indispensable helper for drilling work
Counter Sinker Drill Bit Set: Include 5pcs all same size 11/64" wood countersink drill bit set, 2pcs counter sinker replacement tapered drill bit, 1 stop collar and 1 hex wrench
Quality Material: The counterbore drill bit is made of high-speed steel, which have high toughness, wear resistance, and good cutting retention. The chamfering device is made of high carbon steel, strong and sturdy
Adjustable: The high-quality countersunk hole is fixed on the plane of the handle by the hexagon socket screw to prevent loosening to ensure a firm fit. And can adjust the overall bit length and thus control the pilot hole depth
High Efficiency: The chamfering device is 45# steel and has adjustment screws, which can control the drilling depth enable faster operation and self-clearing drilling on the swarf