Internal Torx, Internal Hex, External Hex, TX, Hex
Metric, Imperial, AF, Torx, SAE
5 mm, 5/8 ", 25 mm, 35 mm, 11/16 "
38.1, 9.53, 19.05, 6.35, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Oxide, Black Phosphate