Internal Torx, Internal Hex, External Hex, Hex, TX
Imperial, AF, Torx, Metric, SAE
11/16 ", 5 mm, 9/16 ", 5/8 ", 34 mm
25.4, 19.05, 12.5, 9.53, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide