40mm Forstner Drill Bit Carbon Steel for Woodworking & Cabinetry

Brand new Drilling diameter:1"|25mm - 4"|102mm,Round Shank Dia:1/3"|8mm(Below 60mm),Hex Shank Dia:2/5"|10mm(Over 60mm),Total length:3-3/5"|92mm. Carbide Tipped Cutters: Compare with HSS, Features optimized ultra-sharp knife edge cleanly. Thick micro-grain carbide tips ensure cleaner cuts and long lasting sharpness. Solid hardened steel build for optimal structural strength. 3-Cutter Design and accurately with no wobbling or burning the wood specifically engineered to cut through hard and soft woods smoothly and efficiently. Improved durability compared to counterparts with 2 blades (flutes).