Drill through tough materials with these diamond coated drill bits
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.
100% Satisfaction Guarantee! If for ANY reason you are not satisfied with this item, you may return it within 90 days for a full refund or replacement.