External Torx, Internal Torx, External Hex, Hex, TX
Torx, Imperial, AF, Metric, SAE
9 mm, 7/16 ", 5.5 mm, 34 mm, 25 mm
19.05, 9.53, 12.5, 25.4, 38.1
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide