Vacuum Brazed Diamond Back Bolt Drill Bit for Stone

Vacuum Brazed Diamond Back Bolt Drill Bit for Stone utilizes vacuum brazing technology for high-strength bonding, ensuring efficient drilling and enlarging operations on hard materials including granite, marble, concrete, and ceramics. It is specifically designed for applications such as the external support of curtain walls. The product features a diameter of 9.7 mm, a diamond height of 4 mm, a work length of 20/48 mm, and an M14 thread (Art. No. A8691001), providing high-performance cutting suitable for various stone-related construction and renovation tasks.