Internal Torx, Internal Hex, External Hex, Hex, TX
Metric, AF, Torx, Imperial, SAE
11/16 ", 7/16 ", 5/8 ", 14 mm, 26 mm
25.4, 19.05, 38.1, 6.35, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide