The GEN2 T-A® drill inserts provide lower drilling forces, increased stability, smoother breakout on through-hole and allows for improved chip formation. These inserts feature Allied's exclusive AM200® coating for increased tool life. Original T-A® is an excellent choice for general purpose use. The design provides fast penetration rates that produce good hole size and finish. Standard geometry combines highly efficient and stable cutting action to minimize power consumption. Recommended for use in most steels, cast irons, high temperature alloys and aluminum alloys.