Internal Torx, Internal Hex, External Hex, Hex, TX
AF, Torx, Imperial, Metric, SAE
5 mm, 9/16 ", 3/8 ", 5/8 ", 28 mm
9.53, 6.35, 19.05, 25.4, 38.1
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide