Specifications: drilling diameter: 55mm;Axle size: 10mm;Drilling depth: 50 mm;Total length: 82 mm.Hexagonal handle, carbide knife and sturdy hardened steel body. Usage: Can be used to drill holes in wood and plastic products, furniture, door hinges.Used for cutting wood, plywood, solid wood, MDF, plastic, fiberglass, etc.Forstner drill bits for general use Features: Carbide cutting point with special heat treatment, sharp cutting edge, high hardness, no burrs, long service life.Curved design head, easy chip evacuation, more efficient punching Instructions for use: suitable for table drill, vertical drill, CNC cutting machine.Processing hardwood or other hard materials should be filled with water to improve the quality and accuracy of drilling and extend the life of the hole opener. Tip: For office (stationary) equipment, do not use with hand-held power tools (such as hand drills or electric drills).Cannot drill metals and non-ferrous metals.To avoid causing damage, make sure there are no nails or other metal objects in the wood before drilling.The cutting edges and tips of the bottle opener should be sharpened in time.Specifications: drilling diameter: 55mm;Axle size: 10mm;Drilling depth: 50 mm;Total length: 82 mm.Hexagonal handle, carbide knife and sturdy hardened steel body.Usage: Can be used to drill holes in wood and plastic products, furniture, door hinges.Used for cutting wood, plywood, solid wood, MDF, plastic, fiberglass, etc.General Purpose Forstner Drill Bits Features: Carbide cutting point with special heat treatment, sharp cutting edge, high hardness, no burrs, long service life.Curved design head, easy chip evacuation, more efficient punching Instructions for use: suitable for table drill, vertical drill, CNC cutting machine.Processing hardwood or other hard materials should be filled with water to improve the quality and accuracy of drilling and extend the life of the hole opener.Tip: For office (stationary) equipment, do not use with hand-held power tools (such as hand drills or electric drills).Cannot drill metals and non-ferrous metals.To avoid causing damage, make sure there are no nails or other metal objects in the wood before drilling.The cutting edges and tips of the bottle opener should be sharpened in time.