Helical Insert, Free Running Helical, 304 Stainless Steel, Internal Thread Size 7/8-14, Thread Type UNF, Thread Direction Right Hand, Length 1.312 in, Free Coil Dia. 1.036 in, Tap Sizes 7/8-14 STI, Drill Size 57/64 in, Tensile Strength (PSI) 200, 000 to 250, 000, Rockwell Hardness C43-C50, For Metal, Meets/Exceeds -. This item has been restricted from sale in the following state (s): []