Internal Hex, Internal Torx, External Hex, TX, Hex
Imperial, Metric, AF, Torx, SAE
9/32 ", 15/16 ", 5/16 ", 5 mm, 7/16 "
3/4, 1, 1-1/2, 2-1/2, 1/2
25.4, 38.1, 12.5, 6.35, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Gun-metal, Phosphatized, Oxidised, Black Phosphate, Black Oxide