External Torx, Internal Torx, External Hex, Hex, TX
Imperial, Metric, Torx, AF, SAE
5 mm, 7/16 ", 11/16 ", 34 mm, 29 mm
19.05, 9.53, 25.4, 12.5, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Phosphated, Oxidised, Black Phosphate, Black Oxide