Screw Machine Solutions That Keep the Industry Moving
At Specialty Engine Components (Formerly W.A Thomas), we’ve been a trusted name in manufacturing for over 50 years. Using our Acme Gridley Screw Machines, we craft precision automotive parts that meet the industry’s toughest demands. With expertise in high-volume production, our multi-spindle lathes offer optimal efficiency to hold tight
tolerances over the span of your production run. We’ve supplied millions of parts to top manufacturers, earning recognition for our quality and reliability. Need cost-effective solutions for your next project? Explore the value we provide to drive your company’s success.
Automotive Applications We Serve
Our screw machine expertise supports a wide range of automotive systems with small, durable parts machined from bar stock that’s applications are essential for producing parts in the following system applications:
- Engine Systems
- Transmission & Drivetrain
- Braking Systems
- Climate Control
- Suspension and Steering
- Hydraulic Systems
Examples of parts we produce:
- Fasteners (Pins, Connectors)
- Valves (Transmission Spool Valves, check valves, Valves Sleeves)
- Shafts (Engine, Transmission, Pump)
- Fittings (fuel, brake lines, A/C Adapter Fittings, Emission Fittings)
- Bushings & Spacers
Benefits In Partnering with Us
- Excel in High-Volume Production runs: Our multi-spindle lathes tackle threading, drilling, and turning in one swift cycle, slashing production times. Perfect for small automotive parts like 1.5-inch spool valves or 0.75-inch fittings, this speed ensures you get high volumes without delays.
- Precision You Can Trust: Automotive parts demand accuracy. Our screw machine manufacturing delivers components within 0.001-inch tolerances—think brake line fittings or valve sleeves—ensuring safety and performance in every vehicle.
- Cost-Effective Solutions: Save big with our streamlined process. Multi-spindle lathes cut setup and tooling costs, making long-term production runs of 2-inch pins or 1-inch plugs affordable. Less wasted time, lower labor costs—more value for your budget.
- Exceptional Customer Service: We’re more than just a supplier, we’re your partner. Our team offers feedback, collaboration, and responsive support for your custom solutions. Ensuring that your project stays on track from start to finish.
Why Specialty Engine Components?
With decades of screw machine experience, we blend precision, speed, and savings into every part. Our multi-spindle lathes are built for the automotive industry—delivering high-volume, cost-effective solutions that don’t skimp on quality. With a sales and engineering team that provides unmatched customer service through collaboration to perfect your supply chain, we assure your team will be taken care of.
Contact Us Today to discuss your needs or request a quote. Let’s build automotive excellence together