Internal Torx, External Torx, External Hex, Hex, TX
Imperial, Metric, Torx, AF, SAE
7/32 ", 9/32 ", 15/16 ", 3/16 ", 1-1/2 "
25.4, 19.05, 12.5, 9.53, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphated, Oxidised, Black Phosphate, Black Oxide