These Professional Carbide Hinge Boring Bits are the best quality Carbide Hinge bits we carry. Two diamond ground carbide spurs and one central carbide cutting edge cut effortlessly through hard, soft and knotted wood, laminates, fiberboards and chipboard. Works extremely well in abrasive material. A centering point ensures accurate cylindrical holes.

This particular bit has a diameter of 40mm and an overall length of 3 1/2" with a 3/8" shank. Best suited for drill press use . The bits are precision machined from high carbon steel and carbide by FAMAG in Germany.

View Traditional Woodworkers' Entire Selection of Metric Hinge Boring Bits.