35mm Forstner Drill Bit Tungsten Carbide Wood Hole Saw Auger Hinge Hole Opener Woodworking Drilling Tool Hinge Cutter Tool Kits 35mm Forstner Drill Bit Tungsten Carbide Wood Hole Saw Auger Hinge Hole Opener Woodworking Drilling Tool Hinge Cutter Tool Kits Descriptions: [Widely Applications] The sharp drill bit can be used for drilling holes on wood and plastic products, furniture, door hinge, desk. Used on cutting wood, plywood, solid wood boards, MDF, plastics, etc. Great for boring concealed hinges and door locks. [SPECIFICATIONS] Drilling dia.: 35mm (1-3/8 inch); shank dia.: 10mm; total length: 80mm. Compatible with all standard drill and drill press chucks. [HIGH QUALITY] The cutting edge is made of K30 monolithic tungsten carbide, hardness 90HRA, bending strength >1900N/cm, ensuring high hardness, rust resistance, sturdy and durable performance. [SPECIAL DESIGN] Features an upgraded three-blade Forstner design that drills accurate, smooth, and clean holes without burrs, even in end-grain and through knots. The triple-edge angle design reduces cutting resistance and allows for automatic chip removal, improving efficiency. [Tips] Best used with machines that offer strong stability, such as drill presses, bench drills, or vertical drilling machines. When using a handheld electric drill, secure the workpiece firmly with a vise. For lithium-powered drills, a high-power model of 48V or higher is recommended. Handheld electric drills should be 600W or above for optimal performance.