Internal Torx, External Hex, TX, Hex, 6-Point
Imperial, Torx, AF, Metric, SAE
5 mm, 9/16 ", 11/16 ", 34 mm, 36 mm
1/2, 2-1/2, 1-1/2, 3/8, 3/4
9.53, 25.4, 19.05, 38.1, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide