Internal Hex, Internal Torx, External Hex, TX, Hex
Imperial, Metric, Torx, AF, SAE
9/32 ", 15/16 ", 5/16 ", 25 mm, 1-1/2 "
1-1/2, 2-1/2, 1/2, 3/4, 1/4
6.35, 38.1, 9.53, 25.4, 19.05
Special Steel, Molybdenum Steel, Alloy Steel, Steel, Chrome Molybdenum Alloy Steel
Phosphated, Gun-metal, Oxidised, Black Phosphate, Black Oxide