HARFINGTON 2pcs Forstner Drill Bits 18mm (11/16") Tungsten Carbide Wood Forstner Bit Opener Cutter for Hinge Hole Drilling Woodworking, Black - hta230926hh000528

• Size - Drilling diameter: 18mm / 11/16". shank size: 8mm / 5/16". drilling depth: 60mm / 2-3/8". total length: 90mm / 3-9/16". shank type: round shank Material - Widened and thickened premium carbide tips provide sharp cutting edges, high strength, high hardness, wear resistance, and heat resistance. It enables precise, fast and clean drilling. 45# carbon steel shank has good strength, durability and sufficient rigidity. Features - The spur help guide it through wood and ensure accurate start holes, reducing slippage. Arc curve design head for easy chip-removal, more efficient perforation. The shank and cutter head are precision ground to ensure stable drilling and high concentricity. Applications - Suitable for softwood, hardwood, solid wood, plywood, laminate and MDF. Easily drills flat-bottomed and pocket holes with precise, smooth finish. Widely used for furniture joints and woodworking projects, such as mortise joints, dowels, hinge cups, shelf pin, pocket screw. Notes - Used with handheld drills, drill presses, CNC routers, and lathes. Recommended to use on desktop (fixed) equipment. Do not drill metal and non-ferrous metals. Use a cutting oil or lubricant, hold still, control the speed, apply pressure gradually, and always wear protective equipment.