Internal Torx, Internal Hex, External Hex, TX, Hex
AF, Metric, Torx, Imperial, SAE
7/32 ", 9/16 ", 15/16 ", 5/16 ", 3/16 "
25.4, 38.1, 12.5, 19.05, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphatized, Oxidised, Black Oxide, Black Phosphate