LDEXIN 21mm/0.8" Professional Forstner Drill Bit Woodworking Hole Saw Wood Cutter Alloy Steel Wood Carbide Tip Drilling Hole Hinge Boring Bits

High-speed steel woodworking hole saw open hole neat, smooth, no tremor can sharp cutting edge improves opening speed, easy chip removal also for longer life. Drill precise flat bottom holes with no chipping in any thickness of soft wood. Carbide tip is specially designed to through hole cleanly in end grain and thin stock, which make blade more sharp and durable. 2 spurs, 2 precision ground cutting edges, long-lasting cutting performance, drill precise flat bottom holes with no chipping in any thickness of soft wood, for drilling holes in any direction and making arched openings. The hinge boring bits are specially designed for use on man-made timber which blunts ordinary forstner bits quickly. Suitable for hard & soft woods, veneered & laminated boards.