6 PIECE DRY CORE BIT LARGE KIT ( 3/4″-2-3/4″)

The RTC Hole Shot is a porcelain core bit designed to be used with minimal to no water on a grinder with a 5/8″-11 Threaded spindle.  These bits offer the ability to cut dry for up to 40 holes per bit.  The vacuum brazed diamond will cut clean on a variety of materials including granite, porcelain, marble, ceramic, & more!

DOES NOT REQUIRE A VARIABLE SPEED GRINDER, CAN BE USED ON SINGLE SPEED.