External Torx, External Hex, Internal Torx, Hex, TX
Torx, AF, Metric, Imperial, SAE
11/16 ", 13/16 ", 5 mm, 3/16 ", 5.5 mm
1/4, 3/4, 1-1/2, 2-1/2, 3/8
9.53, 38.1, 25.4, 19.05, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Phosphated, Oxidised, Black Phosphate, Black Oxide