Internal Torx, Internal Hex, TX, Hex, External Torx
Imperial, AF, Torx, SAE, Metric
5.5 mm, 5/8 ", 29 mm, 30 mm, 11/16 "
2-1/2, 1-1/2, 1/4, 1/2, 3/8
9.53, 25.4, 19.05, 6.35, 38.1
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide