Union Butterfield Spiral Point Tap, High Performance, Series: 1674 Applix MXP, Measurement System: Imperial, UNC Thread Standard, 3/8-16 Thread, Plug Chamfer, 3 Flutes, HSS, TiCN Coated, Class of Fit: 2B, Right Hand Cutting Direction, 0.866 in Thread Length, 3.937 in Overall Length, 0.381 in Shank Diameter, Steel, Stainless Steel, Titanium, Nickel, Copper and Aluminum Magnesium Material Application, H5 Thread Limit, Yes Through Coolant