Internal Torx, External Hex, Hex, TX, 6-Point
Imperial, Torx, AF, SAE, Metric
12 mm, 1 ", 5/16 ", 7/8 ", 11/16 "
25.4, 19.05, 9.53, 6.35, 12.5
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Oxide, Black Phosphate