Special Bolts & Precision Pins Manufacturer
Precision fasteners engineered for your special projects
High-precision, reliable manufacturing of threaded pins, holed pins and custom bolts.
Alparsa in Numbers
Strong infrastructure behind reliable production
Our Product Groups
Custom manufacturing for your needs
Explore our sample product groups. Every item is produced to your project specification.
About Us
Reliable solutions through an engineering approach
With years of experience and a modern production infrastructure, we serve the special fastener needs of industries from automotive to defense, construction to energy. On every order we prioritize precision, material certification and on-time delivery.
- Precision — Every part is produced to tight tolerances and measurable quality.
- Reliability — On-time delivery and consistent quality are our priority.
- Flexible Manufacturing — From standard parts to fully custom production.
- Customer Focus — Engineering support and consulting tailored to your project.
Quality
Measurable quality in every part
ISO/DIN standards, material certification and rigorous quality control processes.
Industries We Serve
The preferred supplier across industries
Production Video
Glimpses from the workshop
Short videos about our production processes and products.

Threaded pin production line
A close look at the production stages and precision machining of our threaded pins.

Quality control of holed pins
Dimensional measurement and surface inspection verify each part meets acceptance criteria.

Flange & block manufacturing
Casting, machining and assembly processes of our custom flange & block group.
Need a custom-made part for your project?
Our engineering team reviews your drawing or sample and proposes the most suitable solution.