BOA Diamond Drill Bits w/ Reservoir

These drill bits are designed to cut all types of glass, marble, porcelain, granite and slate. For best results these bits require lubrication to make a clean cut, BOA supplies a reservoir that you can use to lubricate the surface you are drilling.

Available in sizes: 5mm, 6mm, 7mm, 8mm, 10mm, 15mm, 20mm and 25mm.