External Torx, Internal Torx, External Hex, Hex, TX
Metric, AF, Imperial, Torx, SAE
7/16 ", 5/8 ", 36 mm, 25 mm, 1-1/2 "
3/4, 1-1/2, 2-1/2, 1/2, 3/8
19.05, 6.35, 25.4, 9.53, 38.1
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphated, Oxidised, Black Phosphate, Black Oxide