External Torx, Internal Torx, External Hex, TX, Hex
AF, Torx, Imperial, SAE, Metric
3/4 ", 9/16 ", 23 mm, 32 mm, 11/16 "
1, 1-1/2, 2-1/2, 1/2, 3/4
9.53, 38.1, 19.05, 25.4, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide