Department of Bolts ,screws and tempering
- Department of Bolts and tempering In this department standard and non standard screws, bolts and rivets are produced with dimensions starting from M2 to M16 with well known machinery like EWM, Hilgeland, Nutap, National etc. Here the bolt cementation and tempering process takes place in well known ovens of the German manufacturer IPSEN..






Technological process of fastener production
B1 Screws production
Cutting and forming the screw head
Processing of the screw head
Processing of the top of screw
Threading
B2 Bolts production
Cutting of the bolt form
Whole opening for threading
Threading form
Cleaning of the screws The cleaning is conducted with the dedicated machines for cleaning through the emulsion in certain temperature Thermal processing Thermal processing is done for improving the mechanical characteristics and function ones of the screw (these processes are conducted in the ipsen oven) Standards and dimensions Program manufacturer of nuts and bolts in Vinex includes products under the standards ISO, EN and DIN, according to the drawings and samples with diameter from 2mm up to 16mm.
Quality
Products are produced according to the standards and technical norms and strength classes: 5, 6.8, 8.8, 10.9 and 12.9 manufactured from steel and other materials produced by that deformation capability in cold condition. Maximum capacity of the production of nuts and bolts is 6 tons/h. Vinex produces a wide range of products of screws, nuts, bolts, axles and other nonstandard metal parts for automobile industries, construction and building industries, agriculture and furniture industry. We will be ready to give our assistance in the field of metal processing products in cold condition; moreover, Vinex is able in advising the clients in choosing between optimizing technical necessity, functionality and the price of the product. Vinex – consumer guarantees high quality and adherence to deadlines for any purchase order made.