Internal Torx, Internal Hex, TX, Hex, External Torx
Torx, AF, Imperial, Metric, SAE
7/8 ", 9/16 ", 3/16 ", 11/16 ", 29 mm
3/4, 1-1/2, 2-1/2, 3/8, 1
38.1, 25.4, 6.35, 9.53, 12.5
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphatized, Oxidised, Black Oxide, Black Phosphate