Internal Torx, External Hex, TX, Hex, 6-Point
Imperial, AF, Torx, Metric, SAE
7/32 ", 3/16 ", 5/16 ", 9/16 ", 1-1/2 "
3/4, 1-1/2, 1/4, 2-1/2, 3/8
19.05, 25.4, 38.1, 6.35, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphated, Oxidised, Black Oxide, Black Phosphate