Internal Torx, Internal Hex, External Hex, TX, Hex
Torx, AF, Imperial, Metric, SAE
5/16 ", 7/16 ", 11/16 ", 35 mm, 1-1/2 "
38.1, 9.53, 6.35, 19.05, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide