Heavy Duty Dry Diamond Core Drill Bit For Granite One And Three Eighths Inch With Five Eighths Eleven Thread Ostek 2 Pack Pro Grade Vacuum Brazed Edge For Grinders And Polishers Wet Or Dry Masonry Core Bit Fast Clean Cuts

Heavy Duty Granite Core Drill Bit 1-3/8 2 Pack Vacuum Brazed Edge
✔️ 1-3/8 in diameter, 5/8-11 thread, dry or wet use, vacuum brazed

This heavy duty dry diamond core drill bit is built for granite and other stone on the job site. It threads into common grinders and polishers via 5/8-11 and supports both dry drilling and wet operation to extend bit life.

✅ Diameter 1-3/8 in, thread 5/8-11, vacuum brazed edge for clean cuts
✅ Dry drilling on granite and masonry, on site use
✅ Laser welded core protection and high heat resistance
✅ Wet or dry drilling; wet cuts extend segment life

💡 What is a granite core drill bit used for and why pick vacuum brazed edge for tough stone? This handy bit helps pros get precise granite cuts with less heat buildup and longer life.
- vacuum brazed edge improves heat resistance and cut quality
- 5/8-11 thread fits grinders and polishers found in shops
- wet or dry drilling options for on site versatility