Carbide Tip Safe Drill Bit 3/8" x 6"

Carbide Tip Safe Drill Bit 3/8" x 6"

3/8" Tungsten tip to make possible the drilling of steel that has been hardened to Rockwell C-40 or harder without the usual annealing process or reverting to the slow and costly grinding method.Great for safe hardplates! 6" Long.