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