Internal Hex, External Torx, Internal Torx, Hex, TX
Imperial, Metric, Torx, AF, SAE
15/16 ", 9/16 ", 5/8 ", 11/16 ", 35 mm
1-1/2, 1/4, 2-1/2, 3/8, 3/4
25.4, 38.1, 9.53, 6.35, 12.5
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Oxide, Black Phosphate