Internal Torx, External Torx, Hex, TX, 6-Point
Metric, AF, Torx, Imperial, SAE
3/16 ", 5/16 ", 5/8 ", 11/16 ", 29 mm
1/4, 3/4, 1, 1-1/2, 2-1/2
19.05, 6.35, 9.53, 25.4, 38.1
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide