Guhring Thread Forming Tap, Straight Standard, Series: 1858, Measurement System: Metric, M6x1 Thread, Modified Bottoming Chamfer, 80 mm Overall Length, 4 Flutes, Right Hand Cutting Direction, Class of Fit: 6HX, 6 mm Shank Diameter, 4.917 to 5.153 mm Tap Drill, 4.9 mm Square, Carbide, Bright, D5/D6 Thread Limit