3 Review(s)

About the itemProduct Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit, Drill bits for rocksOuter Diameter: 12mm(15/32 inch); Inner Diameter: 9.4mm; Drill Depth: 30mmEasy to use, excellent for making clean and accurate hole on stone, granite, marble, tile, rocks6.5mm shank diameter that will fit cordless screwdrivers,drills etc or use in standard drill chuckPlease add water for coolant and drill slowly; Holes require no ruther work as cutting is clean