WARRIOR Diamond Rotary Bit Set 4 Pc. – Item 69664 / 32375

Drill right through carbide, abrasive material, glass, marble, masonry, rocks and concrete with these long-lasting diamond coated rotary drill bits. The nickel-plated steel construction provides excellent results on almost any surface, even semi-precious stones. The new and improved flute-less design brings more diamonds in contact with your stock for added precision.