Internal Torx, Hex, TX, External Torx, 6-Point
Imperial, AF, Torx, Metric, SAE
9/32 ", 15 mm, 15/16 ", 3/16 ", 11/16 "
1-1/2, 2-1/2, 1/2, 3/8, 1
19.05, 25.4, 38.1, 9.53, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphatized, Oxidised, Black Oxide, Black Phosphate