Internal Hex, Internal Torx, External Torx, Hex, TX
AF, Metric, Torx, Imperial, SAE
7 mm, 9/32 ", 9 mm, 11/16 ", 25 mm
1/2, 3/4, 2-1/2, 1-1/2, 3/8
38.1, 25.4, 9.53, 6.35, 19.05
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide