Guhring Thread Forming Tap, Straight Standard, Series: 816, Measurement System: Metric, M16x2 Thread, Plug Chamfer, 110 mm Overall Length, 4 Flutes, Right Hand Cutting Direction, Class of Fit: ISO2/6H, 12 mm Shank Diameter, 13.835 to 14.21 mm Tap Drill, 9 mm Square, HSS-E, Bright, D6/D7 Thread Limit