Internal Torx, External Torx, External Hex, TX, Hex
Imperial, Torx, Metric, AF, SAE
9/32 ", 9/16 ", 7/16 ", 5/16 ", 3/16 "
19.05, 38.1, 9.53, 12.5, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Oxide, Black Phosphate