Product description
These diamond drill bits are made of high-speed steel, durable, long service life, high quality and good performance. They are very suitable for punching and accurate.
Size: 6mm/0.23", 8mm/0.31", 10mm/0.39", 12mm/0.47",
14mm/0.55", 16mm/0.62", 18mm/0.7", 22mm/0.86",
Diamond drill bits are perfect for drilling holes through hard materials such as these:
Glass, sea glass, beach glass, fused glass
Stone, gemstones, rock, pebbles
Ceramic, porcelain, tiles, glazed pottery, plates
Shell, antler, bone, fossil