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