Internal Hex, Internal Torx, External Hex, Hex, TX
Torx, Imperial, AF, Metric, SAE
7/32 ", 9/32 ", 7/16 ", 33 mm, 1-1/2 "
19.05, 12.5, 25.4, 6.35, 9.53
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide