Features: Achieve precise and efficient drilling with our versatile Forstner Drill Bit. It ensures accurate drilling, preventing walking and wobbling. Perfect for woodworking enthusiasts. Crafted with durable tungsten steel cutting tip with special heat treatments, our Forstner Drill Bit offer sharpness cutting performances, high hardness, high concentricity,and low noise. Its high concentricity ensures smooth and clean drilling every time. Curves designs head for easy chips removal, more efficient perforation. The centring spur of each chisels ensures accurate drilling and prevents walking and wobbling during operation. With the centring spur designs, perfectly round and accurate holes are created. Used for cutting wood, plywood, solid wood boards, MDF. Can be used for drilling holes in furniture, drawer, door hinges and desks. Warm tips: can not drill metal, otherwise the hole opener will be damaged quickly. Before drilling, make sure that no nails or other metal objects made with wood avoid drill bit causing damage. Specifications: Material:Tungsten Steel Cutting Tip+45#Steel Rod Tip Diameter:Approx.20mm,32mm,55mm;(Optional) Length:Approx.9.3cm/3.66in 20mm Forstner Drill Bit with 8mm Round Shank; 32mm/55mm Forstner Drill Bit with 10mm Round Shank; Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xForstner Drill Bit