Available in 1/8 & 1/4 male NPT threads. Installation is done with an Allen wrench. Inserts are available in 416 ss for the 1/8 body, and tungsten carbide for the 1/4 body.
Hard Cutters
Hard cutter bodies have 1/4 male NPT threads and are made from heat treated 416 ss. The inserts are carbide tungsten.