Efficient High Volume Production
In-House Research and Testing Lab
Machine Capabilities

IATF 16949
ISO 14001
ISO 9001
ISO/IEC 17025
TISAX Certified
Semblex specializes in manufacturing complex fastener shapes and designs. Every special fastener application is different and requires a special design to meet the demanding requirements. The complex fastener sizes range from M0.6 millimeters to M18 millimeters in diameter and from ferrous to non-ferrous materials. Our in-house engineering team offers decades of expertise to answer complex shape questions.
Multi-die heading capabilities range from 2-die, 3-blow headers for miniature screws to 6-die, 6-blow headers for large-diameter products. Semblex utilizes advanced SMART thread-rolling equipment, allowing customers to rely on comprehensive in-house manufacturing capabilities located in the USA. Efficient workflows across our fastener machines enable consistent, high-volume production.
In-house drilling supports a wide variety of parts and industries, from brake assemblies and vented fasteners to specialized applications with critical requirements.
Significant cost savings through scrap reduction (as material is moved, not removed)
Improved product strength with the cold forming process
Tight tolerances can be achieved
Combines multi-piece components into one-piece designs
Eliminates part numbers to be managed
Simplifies the assembly process and reduces cycle time