MK-Lapidary Core Bit 5-16 Diameter 3-4 X 16 Threaded Nut

MK-Lapidary Core Bit 5/16 Diameter 3/4 X 16 Threaded Nut

This is a sintered continuous rim diamond core bit for drilling holes in agate, geodes, semi-precious and precious stone. This bit features a thin-wall design for faster drilling. This bit is equipped with a 3/4" - 16 threaded arbor for use on center feed water tool with that arbor. This wet cutting core bit requires water for cooling. These continuous rim for fast, chip-free cutting of hard stone

* 4" Overall length
* Continuous rim for fast, chip-free cutting
* Designed for cutting hard stone
* 3/4" - 16 threaded arbor