Diamond Drill Bits for Glass 20 pcs Set of 1.5mm Drilax Diamond Drill Bits.
Compatible with Dremel-Type Rotary Tool or Small Precision Drill Press with an adjustable collet.
COOLING WATER NEEDED - High Quality Diamond Coated Drill Bits 20 pieces - Wet Type (water to be used during drilling)
HIGH-QUALITY TOOLS for creating holes in seashells, sea glass, beads, hard stones, gemstones, pebbles, both precious and semi-precious materials, porcelain, optical substances, composite materials, and even various types of rock.
Diamond Drill Bits for Stone Jewelry Designers for drilling clean holes for making Earrings, Pendents and Bracelets. They have multiple layers of industrial diamond particles bonded to body which provides longer drill life.