Internal Torx, Internal Hex, External Hex, Hex, TX
Torx, AF, Metric, Imperial, SAE
11/16 ", 13/16 ", 3/4 ", 5/8 ", 30 mm
1/2, 3/8, 3/4, 1/4, 1-1/2
12.5, 25.4, 9.53, 19.05, 6.35
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphatized, Oxidised, Black Phosphate, Black Oxide