Internal Torx, External Hex, Internal Hex, TX, Hex
Torx, Metric, AF, Imperial, SAE
3/16 ", 9/16 ", 3/4 ", 35 mm, 11/16 "
38.1, 19.05, 6.35, 25.4, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide