External Torx, Internal Torx, External Hex, TX, Hex
Metric, Imperial, AF, Torx, SAE
7/8 ", 3/16 ", 11/16 ", 11 mm, 33 mm
19.05, 38.1, 6.35, 12.5, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide