Internal Torx, External Hex, Hex, TX, External Torx
Torx, AF, Metric, Imperial, SAE
5.5 mm, 5 mm, 7 mm, 5/16 ", 32 mm
6.35, 25.4, 19.05, 9.53, 38.1
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide