Internal Torx, External Hex, Hex, TX, External Torx
Metric, Torx, AF, Imperial, SAE
7/16 ", 9/16 ", 16 mm, 5/8 ", 34 mm
3/4, 1, 1-1/2, 2-1/2, 1/2
38.1, 6.35, 19.05, 9.53, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide