External Torx, Internal Torx, External Hex, Hex, TX
Torx, AF, Imperial, Metric, SAE
9/16 ", 3/16 ", 7/16 ", 35 mm, 1-1/2 "
1/4, 1-1/2, 3/4, 2-1/2, 3/8
25.4, 6.35, 38.1, 12.5, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Phosphated, Oxidised, Black Phosphate, Black Oxide