Internal Torx, External Hex, Hex, TX, 6-Point
Torx, AF, Metric, Imperial, SAE
9/32 ", 9/16 ", 13/16 ", 3/16 ", 34 mm
1-1/2, 3/4, 1, 2-1/2, 3/8
6.35, 38.1, 19.05, 12.5, 25.4
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide