Internal Torx, Internal Hex, External Hex, TX, Hex
Torx, Imperial, AF, SAE, Metric
7/32 ", 9/32 ", 5/8 ", 3/8 ", 9 mm
1-1/2, 1, 2-1/2, 3/8, 3/4
38.1, 19.05, 9.53, 6.35, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide