Internal Torx, Internal Hex, External Hex, TX, Hex
Imperial, Torx, Metric, AF, SAE
7/16 ", 9/16 ", 3/16 ", 7 mm, 11/16 "
19.05, 38.1, 12.5, 6.35, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphated, Oxidised, Black Phosphate, Black Oxide