Internal Torx, External Hex, Hex, TX, External Torx
AF, Torx, Imperial, SAE, Metric
5/8 ", 3/16 ", 7/16 ", 11/16 ", 35 mm
1/4, 3/4, 1, 1-1/2, 2-1/2
25.4, 6.35, 19.05, 38.1, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide