35mm laser welded diamond drilling bit for granite

03钻头
September 02, 2020
Video Description:
Discover the GB Vacuum Brazed Tile Core Drill Bit, a high-performance dry core bit with M14-1/2 gas thread, perfect for drilling granite, ceramic, and porcelain tiles. This laser-welded diamond drilling bit ensures fast, clean holes without the need for coolant, making it ideal for professional contractors.