Crown Core Bits with brazed of Diamond wall Called Sintered Crown Core Bit with Vacuum Brazed Drum

Beside the sintered tips, they are brazed of diamond on the wall of the crown Core Bits, so a normal Core Bit become a drum grinder, it is extended a amusing application for a Core Bit.

Vacuum Brazed Core Bits & Drum Grinder

They are thin wall Core Bits and Drum Grinders. They are used when it is not allowed to drill hole or extend hole by wet on granite, marble, porcelain, ceramic tile.

Vacuum Brazed Drill Bits

They are thin wall designed. They are used when it is not allowed to drill hole by wet on granite, marble, porcelain, ceramic tile.

Attached with a composite elasticity gasket for vibration-proof is available for all drill bits.

Available in G1/2", 5/8-11, M14, M10, 3/8 Shank, 1/2 Shank for all drill bits on customer's order.

It is available on request upon a specific drawing of customer in any diameter and length requested.

Customer Logo printed is available on request for volume order.