Internal Hex, Internal Torx, Hex, TX, 6-Point
AF, Torx, Metric, Imperial, SAE
1/2 ", 13/16 ", 3/16 ", 16 mm, 11/16 "
3/8, 3/4, 1, 2-1/2, 1-1/2
12.5, 38.1, 19.05, 25.4, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide