Internal Torx, Internal Hex, External Hex, TX, Hex
Torx, AF, Imperial, SAE, Metric
9/32 ", 9/16 ", 7/16 ", 7/8 ", 11/16 "
1/4, 3/4, 1, 1-1/2, 2-1/2
6.35, 9.53, 19.05, 25.4, 12.5
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide