Sintered Diamond Core Drills diamond bit for engraving preventing overheating and prolonging your

preventing overheating and prolonging your drill bit's life

brick and concrete

6mm Shank (1/4")Single Cut

let the drill do the work and apply very little pressure

Double Cut (Diamond Cut)

Sintered Diamond Core Drills diamond bit for engraving preventing overheating and prolonging yourSintered diamond core drills have superior cutting and speed efficiency. Unlike electroplated or coated drills, they have several layers of diamond grit instead of just one, allowing you to drill hundreds of holes. These Diamond Sintered core drill bits are our premium range of diamond drill bits for drilling through hard materials such as glass, stone, marble, ceramic, porcelain, granite, quartz, brick and concrete. 10mm shank size. The core runs all