Diamax Cyclone Vacuum Brazed Core Bit

Cores through the softest marble clean and chip free Vacuum brazed diamonds on the inside and outside of core Cooling slots allows for easier core removal Thin wall, crown segment design, so extra care should be used Keep grinder at 90° and DO NOT rock bit back and forth For use on Marble, Limestone, Onyx Use wet or dry Usable length 2.75" 5/8-11 Thread Max RPM 4,000    ITEM SIZE FITTING USABLE LENGTH MAX RPM CDBM114 1 1/4″ 5/8″ – 11 thread 2.75″ 4,000 CDBM138 1 3/8″ 5/8″ – 11 thread 2.75″ 4,000 CDBM112 1 1/2″ 5/8″ – 11 thread 2.75″ 4,000