【Specifications】- Drilling diameter: 85mm / 3.35-inch; Total length: 80mm / 3.15-inch. Hex shank, cemented carbide cutter and high-quality carbon structural steel (45# 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. 【Applications】- Can be used for drilling holes on wood and plastic products, furniture, door hinge. Suitable for drilling of low-hardness wood such as density board, pressed board, plastic, hard wood, etc. Forstner drill bit is for ordinary purpose. 【Application Range】- Suitable for bench drill, vertical drilling machine, hand held electric drill, impact drill, CNC carving machine and other drill press. 【Warm Tips】- Can not be used for cutting metal holes. Before drilling, be sure no nails or other metal objects in wood to avoid causing damage to forstner drill bits., Manufacturer: Utoolmart