Internal Torx, Internal Hex, TX, Hex, External Torx
AF, Torx, Metric, Imperial, SAE
11/16 ", 12 mm, 3/16 ", 19 mm, 10 mm
25.4, 6.35, 19.05, 9.53, 38.1
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphatized, Oxidised, Black Phosphate, Black Oxide