External Torx, Internal Torx, External Hex, TX, Hex
Metric, Imperial, AF, Torx, SAE
15/16 ", 9/16 ", 10 mm, 5/8 ", 25 mm
3/4, 1-1/2, 2-1/2, 1/2, 1
38.1, 6.35, 9.53, 25.4, 19.05
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide