Precision Thread Rolling Services for Bolts, Screws & Custom Fasteners
Thread rolling is a cold forming process in which hardened steel dies are pressed against the blank fastener shank to form the threads. After the initial cold heading or forming of the fastener, thread rolling produces precise, uniform threads without cutting or removing material. Instead, the metal is displaced and work-hardened, resulting in a stronger and more reliable thread profile.
Benefits of Thread Rolling
- Stronger Threads: The rolling process compresses and strengthens the material fibers, creating threads with greater fatigue resistance compared to cut or machined threads.
- Superior Surface Finish: Rolled threads have a smooth surface with excellent dimensional accuracy, which reduces friction and wear during assembly.
- Improved Material Utilization: Because no material is removed, thread rolling minimizes waste and produces more consistent parts.
- Enhanced Performance: Rolled threads exhibit higher tensile strength, shear strength, and better load distribution.
- Economical at Scale: Thread rolling is highly efficient, producing large volumes of threaded fasteners with consistent quality.
Industries That Rely on Rolled Threads
Thread rolling is the standard in industries where fastener strength and reliability are non-negotiable, including:
- Automotive – engine, drivetrain, and chassis components subjected to high stress and vibration.
- Construction & Infrastructure – bolts, anchors, and fasteners for structural assemblies.
- Industrial Equipment & Machinery – fasteners in rotating, vibrating, and high-load environments.
- Consumer Products & Appliances – screws and bolts requiring consistent fit and performance.
Common Applications
Rolled threads are found in virtually every application that uses fasteners, but they are especially critical in:
- Engine and transmission bolts
- Structural fasteners for steel and concrete
- Power tools and heavy machinery assemblies
- High-volume consumer fasteners where precision and durability are required
Why Valley Fastener?
We know that your reputation depends on the quality and tolerances of our products. We have nearly 50 years in business as a supplier for major OEMs across medical device manufacturers, automotive manufacturers, military & defense, the energy sector, and electrical component manufacturers. Valley Fastener is the largest fastener manufacturer in North America and has an international distribution network that allows us to control quality from design through shipping. Let our manufacturing experience guide your product design to ensure you’re getting the most cost-effective solution.
Contact one of our experts today to answer any questions or for a detailed quote.
