40 mm Forstner drill bits, carbide hole saws for wood, hinge holes for woodworking (blue, grey)

Product Information

Forstner drill bit: Drill diameter: 40 mm / 1.57"; Shank size: 9 mm / 0.351"; Drilling depth: 48 mm / 1.89"; Overall length: 80 mm / 3.15". Forstner drill bit with round shank, hardened steel body and thick carbide cutting edge for woodworking. Applications: These drill bits can be used to drill holes in wood and plastic products, furniture, and door hinges. They are suitable for cutting wood, plywood, solid wood panels, MDF, plastic, fiberglass, etc. The Forstner bit is a versatile drill bit. Features: Specially heat-treated carbide cutting tip for a sharp edge, high hardness, burr-free drilling, and long service life. Curved drill head for easy chip evacuation and more efficient drilling. Applications: Suitable for bench drills, pillar drills, and CNC milling machines. Hardwood or other hard materials should be treated with water to improve drilling quality and accuracy and extend the drill bit's lifespan. Maximum speed: 1200 RPM. For use only with stationary bench drills and NOT with portable power tools (such as hand-held or electric drills). Not suitable for drilling in metal or non-ferrous metals. To avoid damage, ensure there are no nails or other metal objects in the wood before drilling. The cutting edge and tip of the drill bit must be sharpened regularly.