Internal Torx, Internal Hex, External Hex, TX, Hex
AF, Torx, Imperial, SAE, Metric
7/16 ", 11/16 ", 9 mm, 30 mm, 1-1/2 "
1/4, 1-1/2, 3/4, 3/8, 1/2
38.1, 9.53, 25.4, 6.35, 19.05
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphatized, Oxidised, Black Phosphate, Black Oxide