External Torx, Internal Torx, External Hex, TX, Hex
AF, Imperial, Torx, SAE, Metric
7/32 ", 3/16 ", 9 mm, 13 mm, 11/16 "
6.35, 9.53, 12.5, 38.1, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide