External Torx, Internal Hex, External Hex, TX, Hex
AF, Metric, Torx, Imperial, SAE
9/32 ", 13/16 ", 5/16 ", 5/8 ", 14 mm
38.1, 6.35, 9.53, 25.4, 19.05
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphated, Oxidised, Black Phosphate, Black Oxide