RK Trading Company
Sales, service, and support for CNC spring coilers, wire formers, and testing equipment used in spring manufacturing.
Spring Production Equipment
CNC machinery solutions for spring manufacturers, from coiling and wire forming to secondary operations.
Precision CNC coiling machines for compression, extension, and torsion springs designed for a wide range of production requirements.
Automated wire forming solutions for complex geometries, tight tolerances, and consistent, repeatable production.
Spring grinders and power payout reels designed to improve consistency, surface finish, and downstream efficiency.
We’re not across the ocean—we’re just around the corner, with second-to-none service and an extensive tooling and parts inventory, right here in the U.S. When you’re looking for technical expertise and real-life solutions in real time, we have the answers you need, when you need them. The upside for you? Less downtime.
Testing & Inspection
Confirm spring performance and dimensional accuracy with testing and inspection systems designed for repeatable, documented results.
Compression and extension spring testing systems designed for accurate force measurement, repeatable results, and faster quality control.
Torque testing systems for torsion springs and torsion bars—specifically designed and built for consistent measurement, validation, and documentation.
Life-cycle and durability testing systems to measure spring performance and fatigue over time, and to validate design and process changes.
Automated testing, setting, sorting, and handling systems designed to reduce manual work and increase inspection throughput.
Vision-based systems designed for rapid measurement of springs and wire forms, with accurate, consistent, repeatable results.
Spring setting systems for controlled pre-setting and load conditioning—improving consistency before assembly or final inspection.
About Us
RK has provided comprehensive spring and wire forming solutions since 1996. If you bend, form, coil, or grind spring and wire products, we have the equipment you need to compete today. From reliable Herdon machinery and SAS testing equipment to hands-on customer care, you can trust RK Trading.
Over 90 percent of our sales are to repeat customers.