Internal Torx, Internal Hex, External Hex, TX, Hex
Imperial, Torx, AF, Metric, SAE
8 mm, 6 mm, 5/16 ", 5/8 ", 9 mm
3/4, 1-1/2, 1/4, 2-1/2, 3/8
38.1, 6.35, 12.5, 19.05, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphated, Oxidised, Black Oxide, Black Phosphate