MORSE Spiral Point Tap, High Performance, Series: V-Carb 55MCR, Measurement System: Imperial, UNF, #10-32, Plug Chamfer, 3 Flutes, HSS-PM, Black Steam Oxide, Right Hand Cutting, 1/2 in Thread Length, 2-3/8 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, H3 Thread Limit