Internal Torx, Internal Hex, External Hex, Hex, TX
Imperial, AF, Torx, Metric, SAE
6 mm, 7/8 ", 9/16 ", 11 mm, 11/16 "
19.05, 38.1, 6.35, 25.4, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide