Professional Quartzite Core Bit: Available now in popular size 1-3/8″
- L-type turbo segments for fast drilling/coring performance
- Diamond formula designed specifically for Natural Quartzite
- Standard 5/8″ – 11 thread for use on angle grinders
- Max. Speed: 6500 RPM
- Dry or wet use (water is always highly recommended to reduce dust particles and ensure product longevity)