Interwolf d.o.o. is a Slovenian screw manufacturer with more than 30 years of tradition and its own production in the European Union. We specialise in producing custom screws made to customer drawings for series production, where precision, repeatable quality and reliable delivery are key.
We produce around 500 million screws a year, three quarters of which are exported to European markets. Our customers are manufacturers in the furniture and electrical industries who build the screws into their own products.
Production and technological capabilities
Production is based on our own machine park of more than 50 machines for cold forming, thread rolling and mechanical and optical sorting.
- Cold-forming presses
- Thread-rolling machines
- Mechanical and optical sorting
- Production of screws with washers
- Line for small packs
- In-house toolshop for tool development and maintenance
Optical inspection is available on request, when required by the customer's specifications.
More about production and our machine park →
Surface coatings and heat treatment are carried out in cooperation with external subcontractors who work in line with our quality requirements and technical specifications.
Quality system and traceability
The company operates a quality management system in accordance with ISO 9001.
- Control of dimensions and mechanical properties
- Batch traceability throughout the entire production process
- Documentation in line with customer requirements
- Quality control at every stage of production
Computer-aided production provides full transparency and control from receipt of the order to dispatch of the products.
International focus
Interwolf works mainly with manufacturers (Tier 1 suppliers and OEM companies) who need a reliable partner for large batches while also valuing flexibility and adaptability.
Our strength is the combination of European production, consistent quality, technical support, adaptability to customer requirements and long-term partnership.
More than 70% of our customers build our screws into their own products, so we understand the importance of reliability, repeatability and on-time delivery.
Development and tradition
The company was founded in 1992 on a tradition of craft screw manufacturing. Over the years we have gradually expanded our production capacity and invested in technology, know-how and people, and today we employ around 40 skilled staff.
Our headquarters and production are located in Logatec, Slovenia, where we continue to invest in technological development and the long-term growth of the company.