Advent Tool and Manufacturing Inc.'s GT (Generation Two) Tooling is its new line of replaceable inserts and holders for threadmilling. Single-point tools have a carbide shank, hardened tool steel replaceable head, through-coolant capability and are for deep holes (8 times the shank diameter and deeper).

The GT indexable tooling with double-sided inserts are for producing UNC threads. The tools are fully hardened and CNC ground, have through-body coolant capability, can be run without an end plate for threading blind-holes and are suitable for small-diameter and corse-pitch internal threading applications.

The GT indexable tooling with single-sided inserts are for producing NPT/API threads. They are suitable for external and internal threading applications. The tools are fully hardened and CNC ground, have through-body coolant capability and a removable end cap for threading blind-holes.