HAR-190 5/16″ Premium Wet Diamond Core Bit
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- Drill through porcelain, granite, marble, tile, stone, and masonry
- Vacuum Braze Technology provides the strongest bond between diamond particles and the drilling surface of core bit
- Drilling Time Reduced by 50% compared with traditional metal-bond core bits
- No bond to wear away – diamond particles work at peak performance at all times
- Reverse spiral thread delivers continuous water feed to the cutting surface areas, extends bit life and improves drilling speed
- Core ejector slot clears debris and plugs during repeated drilling operations
- Designed to operate on any corded or battery operated hand drill