I. High-Quality Material : The countersink drill bit made by carbon steel material with high hardness & durability. With superior cutting power & fully sharpened edge, the counter sinker drill bit features quick drilling & long service long. II. Easy To Use : Each countersink drill bit includes a hex wrench to easily adjust the counter sleeve depth & drilling depth of screw with various lengths. III. Long Service : Vacuum welding is most efficient & precise method to produce tool. Using high-quality high temperature resistant diamond, it has a long service life. It allows us to increase the removal rate & extend service life. IV. Compatibility : Suitable for drills with chuck such as lithium electric drills, hand drills, bench drill, etc. It is recommended to use a center punch for positioning before drilling & hold the drill vertically to prevent bending of the drill or breaking. V. Wide Application : The countersink drill bits are perfect for various woodworking projects & are widely used in various material such as softwood, hardwood, fiberboard, plywood, plastic, concrete, plasterboard, PVC. (Note : Not suitable for metal or steel plates) Categories: General Hardware & Tool, Tools
