Internal Torx, External Hex, Internal Hex, Hex, TX
AF, Torx, Imperial, Metric, SAE
9/16 ", 3/16 ", 9 mm, 18 mm, 11/16 "
38.1, 19.05, 25.4, 9.53, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide