Since 1997 S.I.V.E.M. has maintained the main production setting up the brass screws, of which a wide range is ready in stock. Afterwards S.I.V.E.M. achieved a specialisation in production of special items as cold-forming realised according to either a customer drawing or projected in operation of the final product. S.I.V.E.M. can supply both the standard and not unified screws with a wide range which changes from the diameter 2 mm to 10-12 mm for a length from 2 to 100 mm. The products can be realised in several materials as follows : - Stainless steel AISI 304, AISI 316, AISI 410, AISI 430. - Steel for strength classes 4.8, 5.8, 8.8, 10.9, 12.9. - Steel for carbonitriding, copper, brass, aluminium S.I.V.E.M. can also supply products with thermal and superficial treatments carried out from trustworthy certified companies. S.I.V.E.M. are mainly competitive and reliable for the standard iron, stainless and brass screws. The standard production is according to the rule DIN, UNI, ISO and international parameters.
