Internal Torx, Internal Hex, External Torx, Hex, TX
Imperial, Torx, AF, SAE, Metric
3/16 ", 5/16 ", 3/4 ", 11/16 ", 10 mm
1-1/2, 2-1/2, 1/2, 3/8, 3/4
19.05, 6.35, 25.4, 38.1, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphatized, Oxidised, Black Phosphate, Black Oxide