MORSE Spiral Point Tap, High Performance, Series: 2095, Measurement System: Imperial, UNC Thread Standard, 1/4-20 Thread, Plug Chamfer, 3 Flutes, HSS-PM, Black Steam Oxide, Right Hand Cutting Direction, 5/8 in Thread Length, 2-1/2 in Overall Length, Steels, Steel Alloy, Stainless Steels, Titanium Alloy, Nickel, Nickel Base Alloy, Other Exotic Alloy and Materials up to 34Rc Hardness Material Application, H5 Thread Limit