Internal Torx, Internal Hex, External Hex, TX, Hex
AF, Torx, Imperial, Metric, SAE
9/16 ", 7/32 ", 5.5 mm, 12 mm, 5/8 "
2-1/2, 3/4, 1-1/2, 1/2, 1
19.05, 6.35, 12.5, 9.53, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Oxide, Black Phosphate