heavy wall

SMART CUT® 140DM Diamond Core Bits / Drill Bits for Concrete & Allied Materials (wet only) Super Premium + Quality

SINTERED (METAL BOND) SUPER PREMIUM QUALITY – Pointed Segments

Designed for Drilling Hard Materials such as full range of Rocks (granite, marble, quartz, flagstone, sandstone, onyx, amethyst, travertine, garnet. Will also work (agate, jasper, jade, petrified wood, and similar minerals). What sets these core bits apart is high grade of diamond used & advanced bond formulation designed for Hard Material. The diamond segment is shaped in a U form, has double-pointed tips penetrate quickly and hold a straight drilling path to reduce side drag, and also increases coolant flow to reduce heat and removal slurry more efficiently. Diamond Segments are Laser Welded to precision machined steel body by automatic process that is very highly consistent and error free. Must use with Mineral Oil or water soluble coolant to drill these harder materials. Also very highly recommended to use with water swivel adapter to run high pressure of coolant through center of drill and frequent dressing for these harder materials.