These taps are obtained from PM steel powders with cut geometries designed specifically for machining titanium and its alloys. 15° worm to the left for though-holes and 15° worm to the right for blind holes. Both types are also available with 4HX tolerance. NEW: 25° worml taps with alternating AZ thread are also available for use with blind holes. Also available with vaporization treatment to enhance the flowing of the chips, and TiCN for machining the toughest alloys.