Internal Torx, Internal Hex, External Hex, TX, Hex
Metric, AF, Imperial, Torx, SAE
9/32 ", 13/16 ", 5/8 ", 1-1/2 ", 10 mm
3/4, 1-1/2, 2-1/2, 1/4, 1/2
25.4, 6.35, 38.1, 9.53, 12.5
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Phosphatized, Oxidised, Black Oxide, Black Phosphate