Special Products

Annibale Viterie S.p.A. distinguishes itself for the competence and the reliability for the development and the production of special fasteners based on specific drawing of the customer, together with a tecnical advice service entrusted to qualified staff. The extreme flexibility of the systems and the internal organization allow a very variegated production: the parts’ diameter can vary from 3 to 16 mm, while the length reaches 100 mm under head for the screws and 130 mm for the stud bolts. The threads can be used with metric profile, in inches or with special profile. The grades adopted goes from 4.8 to 12.9. The raw material utilized is mostly steel, but products in aluminium, inox, copper and brass do no lack.

Superficial treatments supplied:

• zinc-coating – dacromet – geomet – nickel coating – pickling – phosphating – passivation – delta tone – washing – coppering – nickel plating – nycote
• besides every other kind of superficial treatment for nuts and bolts

Machining processing:

• drilling – turning – rolling – grinding – wire drawing  – milling – self-locking (av-block, av-fren , av-sigil)  – induction hardening – flattening  – knurling – internal threading – vibro polishing