Hex Dry Holesaw Diamond Drill Bits with Wax

Hex Dry Holesaw Diamond Drill Bits with Wax. Vacuum Brazed Technology: Vacuum brazed dry drill bits ensure superior durability and performance for hard materials. Extended Lifespan: Drill life is significantly longer than electroplated bits, especially in wet conditions. High Speed Drilling: Achieves fantastic drilling speed with approximately 20 seconds per hole. Self-Cooling Design: Features cooling slots for self-cooling, self-sharpening, and easier core removal. Premium Diamond Quality: Uses top-grade diamonds (40# grit) with lengths of 8-10mm for 6mm and 8mm bits. Versatile Application: Suitable for dry or wet drilling on granite, marble, hard tiles, and porcelain. Wide Size Range: Available in external diameters from 5mm to 125mm for various drilling needs. Customizable Options: Offers customized packing, stickers, and manufacturing arts to meet specific needs.