Carbide Tip Safe Drill Bit 1/4″ x 6″

Carbide Tip Safe Drill Bit 1/4″ x 6″

1/4″ Tongsten 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 Hardplate! 6″ Long