External Torx, Internal Torx, External Hex, TX, Hex
Metric, AF, Torx, Imperial, SAE
9/32 ", 11/16 ", 3/16 ", 5/8 ", 10 mm
38.1, 19.05, 9.53, 6.35, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide