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