Internal Torx, External Torx, External Hex, TX, Hex
Torx, AF, Imperial, Metric, SAE
5/16 ", 9/32 ", 35 mm, 36 mm, 11/16 "
3/4, 1-1/2, 2-1/2, 1/2, 1
25.4, 9.53, 38.1, 6.35, 19.05
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphated, Oxidised, Black Oxide, Black Phosphate