Internal Torx, Internal Hex, External Hex, TX, Hex
Metric, AF, Torx, Imperial, SAE
13/16 ", 9/16 ", 3/16 ", 5/16 ", 1-1/2 "
3/4, 1-1/2, 1, 2-1/2, 3/8
38.1, 12.5, 19.05, 6.35, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide