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