Kozelo Forstner Drill Bit – [21mm] Tungsten Carbide Auger Opener for Wood Furniture Hinge Woodworking Use, Round Shank, Gray

r drilling holes on wood furniture. Cuts wood, plywood, solid wood boards. Widely used for drilling flat bottom holes, pocket holes, and overlapping holes. Easily enlarge existing holes and drill any arc of circles. The drill bit is designed for general use.

ABOUT THIS PRODUCTS
– Heat-treated tungsten carbide tip, sharp cutting edge, no burrs, high hardness, impact resistance, smooth cutting, wear-resistant, durable and long service life.
– Arc curve design head, easier chip removal, higher perforation efficiency, good for boring concealed hinges and door locks.
– Three sharp spurs provide repeatable, clean and precise drilling. The centering spur can accurately center holes.
– Solid hardened steel shank for use with bench drills, vertical drill presses, CNC routers. Drilling diameter <40mm, cutting speed (maximum): 2000rpm; drilling diameter ≥ 40mm, cutting speed (maximum): 1200rpm. SPECIFICATION Drilling Diameter: 21mm / 0.83 Inch Drilling Depth: 48mm / 1.89 Inch Round Shank Size: 7mm / 0.28 Inch Total Length: 77mm / 3.03 Inch Material: Tungsten Carbide, 45# Carbon Steel Package: 1 pack of forstner drill bit TIPS - For desktop (fixed) equipment, NOT for hand-held power tools (such as hand drills, electric drills). Drilling materials must be fixed and the drill bit should be perpendicular to materials. - Only suitable for processing wood or soft non-metallic materials. Make sure there are no nails or other metal objects on the wood before drilling. The cutting edge and tip of the opener should be sharpened in time. - When drilling hardwood or other hard materials, water should be injected to improve the quality and accuracy and prolong the tool service life.