Vacuum brazed drill bit, produced in vacuum oven, regular diamond grit is 40/50#, can be used for dry drilling different types of porcelain, ceramic, granite, limestone, marble, sandstone, brick, cobble stone, dekton, etc. Different types of vacuum brazed drill bits are available, such as Hexagon, 1/4’’ Hexagon, M14, 5/8’’-11, M16, M10, 1/2GAS thread. Can be made with diamond, carbide. Customized vacuum brazed drill bits are available.

Features: Fast speed, self-cooling(5-14mm are with wax as coolant), durable lifespan.

Zhuoshi Superhard Tool Co. Ltd is a professional supplier of diamond tools with over 20 years experience, welcome to contact us here for any diamond tools requests and we can be your best & reliable choices.