External Torx, External Hex, Internal Torx, TX, Hex
Torx, Imperial, AF, Metric, SAE
5/16 ", 15/16 ", 5/8 ", 3/16 ", 9 mm
3/8, 1, 1-1/2, 2-1/2, 1/4
38.1, 25.4, 9.53, 6.35, 19.05
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Phosphated, Oxidised, Black Oxide, Black Phosphate