Internal Torx, External Hex, Hex, TX, External Torx
Imperial, Metric, Torx, AF, SAE
9/32 ", 5/8 ", 18 mm, 34 mm, 1-1/2 "
9.53, 12.5, 6.35, 25.4, 38.1
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide