External Torx, External Hex, Internal Torx, TX, Hex
Torx, AF, Imperial, Metric, SAE
9/16 ", 5.5 mm, 23 mm, 33 mm, 11/16 "
6.35, 25.4, 19.05, 12.5, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide