pMorse Spiral Point Tap, High Performance, Series 2097C, Measurement System Imperial, UNF, 71620, Plug Chamfer, 3 Flutes, HSSPM, TiCN Coated, Right Hand Cutting, 78 in Thread Length, 3532 in Overall Length, Steel Alloy, Titanium Alloy, Nickel Base High Temperature Alloy, Stainless Steel up to 32Rc to 45Rc Hardness, Tool and Mold Steels Material Applicationp.