Internal Torx, Internal Hex, External Hex, TX, Hex
Torx, AF, Imperial, SAE, Metric
11/16 ", 7/16 ", 5/8 ", 9/16 ", 5/16 "
19.05, 6.35, 9.53, 25.4, 12.5
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphated, Oxidised, Black Phosphate, Black Oxide