External Torx, Internal Hex, External Hex, Hex, TX
Metric, AF, Torx, Imperial, SAE
7/16 ", 7/8 ", 3/16 ", 9/16 ", 35 mm
1-1/2, 3/4, 2-1/2, 3/8, 1
9.53, 12.5, 19.05, 6.35, 38.1
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphated, Oxidised, Black Oxide, Black Phosphate