Internal Torx, External Hex, Hex, TX, External Torx
AF, Metric, Imperial, Torx, SAE
7/8 ", 9/16 ", 3/4 ", 11/16 ", 34 mm
6.35, 9.53, 25.4, 19.05, 38.1
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide