230mm Spiral Drill Bit Set, 8pcs 6/8/10/12/16/18/20mm, Suitable for Hexagonal Wood Handle, Long Deep Drill Bits for Woodworking

Super durable：: This product is made of high-quality carbon steel and is durable. The blade is hard and sharp. It is durable and tough and can be used for a long time in all kinds of renovation work you do in wood drilling. Excellent design：: The high-precision blade increases grip, smooth cutting operation, no vibration and excellent impact resistance. The blade adopts an arc design, which has low cutting resistance, limited drilling speed and high working efficiency. The excellent design ensures that the holes are neat and smooth without broken edges, and the chips will not remain and can be easily removed. Easy to use and safe：: The drill bit can be easily installed on the drilling tool according to the instructions. Once the correction is confirmed, you can start working. The scientific design of the cutting curve ensures that the drill bit can work efficiently for a long time without putting unnecessary strain on itself and the drilling tool. Application： : Using 8 types of drill bits, you can complete various drilling jobs. You can drill holes in all types of wood, joinery, plastics, plywood, composite panels and other materials. This drill bit is suitable for industrial hinge installation, wood processing and repair, molding, ball door handle installation, drawer handle installation, etc.