Internal Hex, Internal Torx, External Hex, TX, Hex
Torx, AF, Metric, Imperial, SAE
5 mm, 7/32 ", 7/16 ", 5.5 mm, 26 mm
9.53, 25.4, 6.35, 38.1, 19.05
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Oxide, Black Phosphate