External Hex, Internal Torx, TX, Hex, External Torx
Torx, AF, Metric, Imperial, SAE
10 mm, 23 mm, 25 mm, 29 mm, 1-1/2 "
38.1, 25.4, 6.35, 19.05, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphatized, Oxidised, Black Phosphate, Black Oxide