Internal Torx, External Hex, Internal Hex, Hex, TX
Imperial, AF, Torx, Metric, SAE
6 mm, 9 mm, 13 mm, 16 mm, 7/16 "
1/4, 3/4, 1, 1-1/2, 2-1/2
19.05, 12.5, 38.1, 9.53, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide