Internal Torx, External Torx, External Hex, Hex, TX
Imperial, AF, Torx, Metric, SAE
11/16 ", 15/16 ", 5/16 ", 5/8 ", 32 mm
3/4, 1/4, 2-1/2, 1-1/2, 1/2
38.1, 25.4, 6.35, 19.05, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphatized, Oxidised, Black Oxide, Black Phosphate