Drill right through carbide, abrasive material, glass, marble, masonry, rocks, and concrete easily & smoothly with the all-new Hardy Hole Drilling Bits Set.It is a unique circular shape that features sharp-&-smooth cut, giving you that perfectly drilled & exact hole finish! It also comes in a variety of sizes to meet various holes sizes and needs.It is made of premium carbon steeland diamond dust sand, which provides a tough, durable, and long-lasting performance, which can drill thru inwide variety of surfacessuch as granite, ceramics, steel, and many more!
Nickel-Plated & Diamond Dust Coating Hardy Hole Drilling Bits Set is Nickel-plated with a diamond dust coating, which gives superior performance and cutting strength. Drill right through carbide, abrasive material, glass, marble, masonry, rocks, and concrete easily! Long-lasting Performance It is made of premium steel and diamond sand, that can withstand excessive wear & tear.
Side Holes It has a double-sided hole that automatically discharges drill-dust on both sides to prevent clogging. Wide Application Suitable to drill glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, granite, light stone, and more.