Auniwaig 40mm Dia Forstner Drill Bits Wood Hole Saw Auger Opener Cemented Carbide Round Shank 80mm Length Blue Woodworking Hinge Hole Drilling Boring Bit Cutter 1pcs - CU8530S2511HF-FBA

• 【Parameter】- Drilling dia: 40mm /1.57”. Shank diameter:9mm/0.35''.Total length: 80mm / 3.15" .Material:45# steel.Round shank. Cemented carbide cutter and solid hardened steel body 【Features】- Tungsten carbide cutting tip with special heat treatment for sharp cutting edge. high hardness. non-burrs and durable use. Arc curve design head for easy chip-removal. more efficient perforation 【How To Use】- Suitable for bench drill. vertical drilling machine. hand held electric drill. impact drill. CNC carving machine and other drill press 【Special Design】- Small incision resistance to 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 【Applications】- Can be used for drilling holes on wood and plastic products. furniture, door hinge. Used on cutting wood. plywood. solid wood boards. MDF. plastics. fiberglass etc.. Forstner drill bit is for ordinary purpose.Excellent for cabinetry and drywall work