Internal Torx, External Hex, Hex, TX, External Torx
Torx, AF, Imperial, SAE, Metric
9/16 ", 3/4 ", 11/16 ", 26 mm, 10 mm
1, 2-1/2, 3/4, 1-1/2, 1/2
9.53, 6.35, 38.1, 19.05, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphated, Oxidised, Black Phosphate, Black Oxide