Internal Torx, External Torx, External Hex, TX, Hex
Torx, Metric, AF, Imperial, SAE
5 mm, 9/16 ", 3/16 ", 9 mm, 8 mm
1-1/2, 3/4, 1, 3/8, 2-1/2
9.53, 12.5, 19.05, 6.35, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide