External Torx, External Hex, Hex, TX, 6-Point
Torx, Metric, AF, Imperial, SAE
5/16 ", 7/16 ", 5/8 ", 9/16 ", 15 mm
9.53, 38.1, 19.05, 25.4, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide