Forstner Drill Bits Set, 16 Pcs Carbide Woodworking Hole Opener, Wood Boring Bit Great for Making Clean Flat-bottomed Holes in Wood(15-35mm)

Feature: ★The wood drill Bits are the preferred choice of professionals and hobbyists alike. ★Designed for durability and long life, creates a fine smooth finish. ★Small incision resistance, improve the opening speed, The head adopts arc curve design for easy chip-removal and no tremor. The perforation is neat, smooth, no broken edge. ★Two spurs and centering point can offer repeated, clean and accurate cutting holes. The sharp center spur accurately locates the center of your hole. ★which can meet your various needs in this professional set, drill clean flat bottom holes with no chipping, perfect to enlarge existing holes and bore any arc you need. ★Suitable for mounting spherical door shoot tip, drawer; perforation on wood products , plastic products, wood and plywood. ★Used on bench drill, vertical drilling machine and hand held electric drill, stand motor-driven drilling machine, etcifications: Material: Cemented carbide. Hole drill bit Sizes: 15mm(19/32in), 16mm(5/8in), 17mm(43/64in), 18mm(45/64in), 19mm(3/4in), 20mm(25/32in), 21mm(53/64in), 22mm(55/64in), 23mm(29/32in), 24mm(15/16in), 25mm(1in), 26mm(1-1/16in), 28mm(1-1/8in), 30mm(1-3/16in), 32mm(1-1/4in), 35mm(1-3/8in). Quantity: 16pcs. Weight: 750gage Included: 16 x Forstner Drill Bits Tips: 1. Processing hardwood or other hard materials should be injected with water to improve the quality and accuracy of drilling, and extend the life of the hole opener. 2. The cutting edge and tip of the hole opener should be sharpened in time, otherwise the hole opener will wear out quickly. Can not drill metal and non-ferrous metal, otherwise the hole opener will be damaged quickly. 3. Use appropriate glasses and ear protection when operating body, clothes and other debris can not be close to the working tool.