Greenfield Threading Straight Flute Hand Tap, General Purpose Standard, Series: HTGP, Measurement System: Metric, Ground/Coarse Thread Standard, M6x1 Thread, Bottoming Chamfer, 4 Flutes, HSS, Bright, Class of Fit: 6H, Right Hand Cutting Direction, 16 mm Thread Length, 63.5 mm Overall Length, 6.48 mm Shank Diameter, Cast Iron, Steel, Stainless Steel and Non-Ferrous Materials Material Application, D5 Thread Limit