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

Product Information

Forstner Bit: Drilling Diameter: 40 mm / 1.57 inch; Shank Diameter: 9 mm / 0.351 inch; Drilling Depth: 48 mm / 1.89 inch; Overall Length: 80 mm / 3.15 inches. Forstner bit with a cylindrical shank, hardened steel body, and thick carbide cutting edge for woodworking. Applications: These bits are suitable for drilling wood, plastic, furniture, and door hinges. They are ideal for drilling wood, plywood, solid wood panels, MDF, plastic, fiberglass, etc. The Forstner bit is a versatile drill bit. Features: Heat-treated carbide cutting tip for optimal cutting edge, high hardness, burr-free drilling, and long service life. Curved drill head for easy chip removal and more efficient drilling. Applications: Suitable for bench drills, pillar drills, and CNC milling machines. For hardwood and other hard materials, it is recommended to moisten the drill bit to improve drilling quality and accuracy and extend its life. Maximum speed: 1200 rpm. Use only with stationary bench drills and NOT with power tools (hand or electric drills). Not suitable for drilling 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 point of the drill bit should be sharpened regularly.