Internal Torx, Internal Hex, External Hex, TX, Hex
AF, Imperial, Metric, Torx, SAE
5 mm, 34 mm, 29 mm, 30 mm, 1-1/2 "
9.53, 25.4, 12.5, 19.05, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide