uxcell Forstner Drill Bits Set 50mm Dia. & 75mm Dia. Tungsten Carbide Wood Hole Saw Auger Opener, Woodworking Hinge Hole Drilling Boring Bit Cutter - f22062300ux1676

• [Package Contents] This tool set contains 1pcs 50mm(1.97 inch) dia and 1pcs 75mm(2.95 inch) dia forstner drill bits. Hex shank, cemented carbide cutter and solid hardened steel body. [Applications] Can be used for drilling holes on wood and plastic products, furniture, door hinge. Used on cutting wood, plywood, solid wood boards, MDF, plastics, fiberglass etc.. [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. [How To Use] Suitable for bench drill, vertical drilling machine, CNC carving machine. Processing hardwood or other hard materials should be injected with water to improve the quality and accuracy of drilling, and extend the life of the hole opener. [Tips] Maximum speed: 1200rpm. Used on desktop (fixed) equipment, and can NOT be used on handheld power tools (such as hand drill or electric drill). Can not drill metal and non-ferrous metal. To avoid causing damage, be sure no nails or other metal objects in wood before drilling. The cutting edge and tip of the opener should be sharpened in time.