Diamond Tile Drill Bits 68 mm Drill Bits with M14 Thread for Dry Drilling Porcelain Tile Granite Marble

Size 68mm, diamond height 10mm, total length 60mm, M14 thread of tile drill bit Wide Applications - Diamond drill bits are for drilling dry holes through porcelain tile, ceramic, bathroom tile, marble granite, stone, masonry, brick, water use could extend the service life raw material - Thanks to vacuum brazed technology, improves performance and service life. steel body helps to be more efficient and durable, not easy to deform Fast and Smooth Drilling - The shape of the U-groove tooth and chip removal design of the tile cutter create sharpness, you can drill smoothly without broken edges machine: M14 thread angle grinder or hand drill, bench drill