Internal Torx, Internal Hex, External Hex, TX, Hex
Torx, Metric, AF, Imperial, SAE
9/32 ", 9/16 ", 3/16 ", 35 mm, 25 mm
1/4, 3/4, 1, 2-1/2, 1-1/2
38.1, 25.4, 19.05, 6.35, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide