Solutions for Through Hole Applications • WIDIA-GTD™ Spiral-Point and Left-Hand Spiral-Flute WIDIA-GTD™ offers a wide range of options for tapping through holes in: • Steel and steel alloys. • Stainless steel. • Cast iron. • Wrought and cast aluminium. • Nickel-based alloys. • Titanium alloys. Y2 widia.com