Internal Torx, External Hex, TX, Hex, 6-Point
Torx, AF, Metric, Imperial, SAE
9/32 ", 5/16 ", 3/16 ", 5/8 ", 11/16 "
9.53, 6.35, 38.1, 25.4, 12.5
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Oxide, Black Phosphate