Internal Torx, External Hex, Hex, TX, 6-Point
Metric, AF, Imperial, Torx, SAE
9/32 ", 5/16 ", 17 mm, 9/16 ", 29 mm
19.05, 38.1, 25.4, 6.35, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Oxide, Black Phosphate