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Machine Shop

Machine Shop Services

Provides the Versatility of a Full Service Machine Shop specializing in the Custom Manufacturing of Pulley and High Quality Machining Services such as CNC Milling, CNC Turning, Gear hobbing and CMM Inspection.

 

Products
  • Pulley belt Grooves : A, B,BC, D, E, 3V, 5V, 8V J, K, L, M
  • Rope and Cable Pulleys
  • Timing Pulleys
  • Gear Hobbing / Cutting splines / Worm gears / Helical Gears
Processes
  • Robotic High volume Milling / Turning
  • Turning and Milling of Castings
  • Turing and Milling of Steel, Alloy Steels, Alum, Cast iron, Stainless steels, Brass, Bronze

Specialty Machining

JK Pulley & Manufacturing delivers more than just machined parts. We build precision into everything we make. Specialty machining drives our operation and defines our standard. Our team tackles complex concepts and mission-critical components with confidence. We meet exacting standards and produce parts that perform in the real world. Customers return to us because we treat every job like it can’t afford to fail.

Every component we produce goes through a process that’s been refined over years of hands-on experience. From material selection to final inspection, we focus on the details that impact performance. We don’t believe in shortcuts. Every tolerance, surface finish, and fit has a purpose—and we get it right the first time.

Our reputation as a trusted machine shop comes from decades of doing the work the right way. We rely on proven tools, experienced people, and a process-driven approach. That mindset shapes every part we produce, from a one-off custom piece to a full production run. We take on jobs other shops avoid. Our technology and experience give us the ability to handle complex challenges without hesitation.

We combine hands-on expertise with the accuracy of CNC machining. Our computer-controlled systems deliver precision, speed, and repeatability. CNC technology powers our ability to produce intricate parts with tight tolerances. These capabilities help us stay flexible, run lean, and meet demanding timelines. We regularly machine parts with complex geometry that would be impossible to produce by hand. Whether you need a prototype or a full batch of components, our CNC systems ensure consistency at every step.

We don’t overlook the fundamentals. General machining including turning, milling, drilling, and grinding, remains the backbone of our shop. These processes allow us to produce high-quality parts for standard and custom applications. We apply the same care to a simple component as we do to a complex assembly. Our machines and machinists work together to ensure every piece comes off the floor ready to perform.

Custom machining is one of our most in-demand services. We build parts that don’t exist anywhere else. Our team works closely with you to understand performance goals, material specs, and design intent. We then engineer the best machining process to match. Whether you’re prototyping or ready for production, we tailor every solution to your exact needs. With custom machining, you’re not limited by off-the-shelf dimensions or conventional thinking. You get what your application truly demands.

Metal machining is a core strength at JK Pulley. We work with aluminum, carbon steel, stainless, and specialty alloys. Every material requires the right tools and techniques, and we know how to get the most out of each one. Our experience allows us to machine strong, durable parts that meet high-performance expectations. We understand how heat, feed rates, and chip load affect each type of metal and use that knowledge to ensure optimal finishes and tolerances.

Our machining services cover the full lifecycle of your project. We handle everything in-house, from design support to final inspection. You won’t have to coordinate multiple vendors or manage hand-offs. Our streamlined process ensures clear communication, accountability, and consistent results. That control lets us maintain tight lead times while still holding ourselves to the highest quality standards.

The machine shop at JK Pulley & Manufacturing is built for modern manufacturing solutions. We focus on speed, precision, and problem-solving. The right equipment only matters if you know how to use it, and our team does. Experienced machinists and advanced technology allow us to handle fast turnarounds and long-term production with equal efficiency. Every machine on our floor is chosen for its ability to deliver consistent results under real-world conditions.

Production machining requires discipline and control. We’ve invested in the systems that make high-volume jobs successful. Our process ensures accurate parts from start to finish with full quality oversight. Whether you’re launching a new product or managing ongoing demand, we can match your pace without sacrificing precision. We support both large-scale manufacturing operations and fast-growing startups with equal attention and care.

Specialty machining is about more than material removal. It’s about solving the tough problems. Customers choose us because we do the hard things right. We build trust by delivering results others won’t attempt. We welcome complex prints, unusual materials, and projects with no room for error. That’s where we shine.

If you’re looking for a machine shop that understands complexity and delivers without excuses, contact us. JK Pulley & Manufacturing is ready to turn your toughest challenge into a precision-crafted success.

JK Pulley

3805 Bates Street
St. Louis, MO 63116-3228
Phone: 314-481-2900
Fax: 314-481-9004

News

10/27/2025 - Think about the most reliable piece of equipment you own. It was probably not the... More