Product Review

1-3/8 Inch Laser Welded Dry/Wet Stone Drilling Diamond Core Bit with 4 Inch Tube Length. This professional dry stone core bit has a 4" tube with laser-welded individual segments to hold up under extreme heat and cutting pressure. Specially formulated premium quality segments provide smooth and clean cutting in granite, marble, porcelain, artificial and natural stone, etc. This core bit is used on core drilling machines or hand-held drills, Dry/Wet with Max RPM's of 12,000.