1. 0.59 Inch Forstner BitDrill Diameter: 15 mm; Shaft Diameter: 7 mm; Cutting Depth: 70.01 mm; Total Length: 77 mm; Round Shaft 2. Hard MaterialThe hinge cutter features a 2.0 mm thick YG8 carbide cutter head of industrialgrade quality and a sturdy quenched 45 steel handle. It has a hardness and corrosionresistant structure. With precise grinding, it also has strong wear resistance, extending its service life. 3. Application: The woodworking hole saw can be used with equipment such as drill presses, bench drills, CNC engraving machines, vertical drills, and vertical electric drills (please secure the drill bit before use). Suitable for drilling mediumdensity fiberboard (MDF), plywood, solid wood boards, pressed boards, as well as plastics, hardwood, rubber, etc.; widely used in wood furniture, plastic products, and door hinge applications. 4. Chip Removal FunctionThe chip removal grooves of the 2blade design are unique, enabling smooth chip evacuation and improving work efficiency. The entire tool is welded with quality alloy, making it sharper and more durable than ordinary hole openers.