HY-PRO® Spiral Point Tap, Premium, Series: 289, Measurement System: Metric, UNC Thread, M8x1.25 Thread, Plug Chamfer, 3 Flutes, HSS-E, TiCN Coated, Class of Fit: H3, Right Hand Cutting, 1-1/8 in Thread Length, 2-23/32 in Overall Length, 0.318 in Shank Dia, 40 mm Shank Length, Material Application: Aluminum, Alloy Steel, Carbon Steel, Cast Iron, Die Steel, Hardened Steel and Stainless Steel, D5 Thread Limit, Through Coolant: No