_x000D_ _x000D_ Our Countersink Drill Bits for Wood Screw Cutter is strictly produced with high-quality materials, which is more accurate in size than other Countersink Drill Bits for Wood. Our Countersink Drill Bits is your good helper in the wood industry. Independent plastic box packaging Each drill bit comes with a plastic box which is marked size to facilitate your identification and storage. Two drilling methods Different from other Countersink Drill Bits, our drills have two drilling methods. You can either drill holes on the surface of the wood or drill holes in the wood to make your woodworking method more selective. Different Sizes Countersink drill bit include 10 kinds of sizes:2.8 x 8mm, 2.8 x 10mm, 3 x 8mm, 3 x 10mm, 3.2 x 8mm, 3.2 x 10mm, 3.5 x 8mm, 3.5 x 10mm, 4 x 8mm, 4 x 10mm very suitable for using to multi size wood hole drilling. One tool for multi uses, improve your working efficiency. Keep drilling vertically and do not extend the drill core too long. Please pay attention to keep the drill bit perpendicular to the board when drilling. Do not drill obliquely and do not extend the drill core too long. Otherwise, the drill core will break easily. _x000D_