VIAL forges screws from Ø6 to Ø80 up to 750 mm (to be validated according to the diameters)Standards: None, tailor-made …ISO, UN, WHITHWORTH, BSW pitch threads … not fine or standard, or out of standardRaw or coated parts: Galvanization (from Ø8), lamellar galvanizing, bi-chromated zinc plating, phosphatization, brightening, cadmnage …