Internal Torx, Internal Hex, Hex, TX, External Torx
Imperial, AF, Torx, SAE, Metric
7/32 ", 13 mm, 5.5 mm, 10 mm, 5/16 "
25.4, 6.35, 19.05, 12.5, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide