Internal Torx, Internal Hex, External Hex, TX, Hex
Imperial, AF, Torx, SAE, Metric
1 ", 7/16 ", 10 mm, 5/16 ", 25 mm
3/4, 1-1/2, 2-1/2, 1/4, 1
25.4, 6.35, 19.05, 38.1, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphatized, Gun-metal, Oxidised, Black Oxide, Black Phosphate