Internal Hex, Internal Torx, TX, Hex, External Torx
Torx, AF, Metric, Imperial, SAE
7/32 ", 15/16 ", 5/16 ", 9/16 ", 8 mm
25.4, 6.35, 38.1, 9.53, 19.05
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphated, Oxidised, Black Phosphate, Black Oxide