Internal Torx, External Hex, Hex, TX, External Torx
Imperial, Metric, AF, Torx, SAE
5 mm, 9/32 ", 11/16 ", 36 mm, 9 mm
1/4, 2-1/2, 1-1/2, 3/8, 3/4
9.53, 19.05, 25.4, 6.35, 12.5
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphatized, Oxidised, Black Phosphate, Black Oxide