MK-Lapidary Core Bit 3-16 Diameter 5-8 x 11 threaded Nut

MK-Lapidary Core Bit 3/16 Diameter 5/8 x 11 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 5/8" - 11 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
* 5/8" - 11 threaded arbor