Internal Torx, TX, Hex, External Torx, 6-Point
Imperial, Torx, Metric, AF, SAE
7/8 ", 9/16 ", 8 mm, 28 mm, 11/16 "
1/2, 3/4, 1, 1-1/2, 2-1/2
38.1, 19.05, 6.35, 25.4, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide