Union Butterfield Spiral Point Tap, High Performance, Series: 1673AP Applix MXP, Measurement System: Metric, Fine Thread Standard, M12x1.25 Thread, Plug Chamfer, 3 Flutes, HSS, TiCN Coated, Class of Fit: 6H, Right Hand Cutting Direction, 21 mm Thread Length, 100 mm Overall Length, 0.367 in Shank Diameter, Steel, Stainless Steel, Titanium, Nickel, Copper and Aluminum Magnesium Material Application, D6 Thread Limit