Internal Torx, External Torx, External Hex, Hex, TX
Torx, Metric, AF, Imperial, SAE
15/16 ", 5/16 ", 5/8 ", 11/16 ", 28 mm
1/4, 1, 1-1/2, 3/4, 2-1/2
6.35, 19.05, 38.1, 9.53, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide