Internal Hex, External Hex, Internal Torx, TX, Hex
Torx, Imperial, AF, SAE, Metric
7 mm, 15 mm, 5/8 ", 9/16 ", 25 mm
25.4, 9.53, 6.35, 12.5, 38.1
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Phosphate, Black Oxide