Services

– JPT Services Portfolio

Precision Machining Services from JPT

Joint Production Technology (JPT) offers a comprehensive range of precision machining services for manufacturers in the automotive, diesel engine, aerospace, military, energy, tool & die, and medical industries. As an indexable tooling manufacturer in Michigan with over 50 years of experience, JPT combines deep engineering expertise with state-of-the-art CNC equipment to deliver tooling solutions and precision machined components that meet the tightest tolerances in the industry.

Whether you need tool repairs, custom engineered cutting tools or complete CNC machining services, JPT is your single-source partner.

JPT precision machining services — custom engineering, CNC machining, repairs, grinding, and EDM in Macomb Michigan

Our Precision Machining Services

JPT’s full range of services includes:

  • Repairs — JPT specializes in the repair and rebuilding of damaged tools, cartridges, reamers, generating heads, actuating tooling, CNC motion tools, line bars, spindles, and other close-tolerance tooling. Save the expense of buying new by rebuilding or modifying existing tooling to perform like new.
  • Custom Engineering — Complete in-house design and manufacture of special and custom cutting tools engineered specifically for your application, machine, and production goals.
  • EDM Wire Cutting — Precision wire EDM machining for complex profiles, tight tolerances, and hard materials that are difficult to machine by conventional methods.
  • EDM Sinker — Sinker EDM services for producing complex cavities, blind pockets, and intricate features in hardened tool steels and exotic alloys.
  • Precision Grinding — High-precision grinding services for tooling components requiring superior surface finish and dimensional accuracy.
  • CNC Turning — Precision CNC turning services for round and cylindrical components to tight tolerances for tooling and production applications.
  • CNC Milling — Full-service 5-axis CNC milling for complex prismatic components, tooling bodies, fixtures, and workholding solutions.
  • Mill | Turn Machining — Combined mill-turn machining for complex components requiring both turning and 5-axis milling operations in a single setup.
  • CNC Cutter Grinding — Precision cutter grinding for milling cutters, end mills, reamers, endcaps and other rotary cutting tools to restore or achieve optimal cutting geometry.
  • Inspection — CMM inspection services ensuring every component and tool meets your exact specifications before leaving our facility.
  • CNC Internal Grinding — Precision internal grinding for bores, ID features, and internal profiles requiring superior surface finish and tight tolerances.
  • CNC External Grinding — External cylindrical grinding for shafts, pins, tooling bodies, and other OD features to precise dimensional requirements.

Why Choose JPT for Precision Machining Services

JPT is not a job shop. We are an engineering-driven precision machining services provider with deep expertise in special and custom cutting tools. Every service we offer is backed by our engineering team’s application knowledge — meaning we don’t just machine parts, we solve production problems. Our ISO 9001:2015 certified quality management system ensures consistent, reliable results on every job. From a single tool repair to a complete tooling program for a new production line, JPT delivers the precision, reliability, and responsive service that high-volume manufacturers depend on.

EDM Machining Capabilities

JPT’s EDM machining capabilities include both wire EDM and sinker EDM, making us a versatile partner for complex tooling and component manufacturing challenges. EDM machining allows us to produce features that are impossible or impractical with conventional cutting tools — including complex profiles in hardened steels, tight-tolerance blind pockets, and intricate internal geometries. Our EDM machining services complement our CNC turning, milling, and grinding capabilities to provide a complete precision machining solution under one roof.

Tool Repairs — An Opportunity for Continuous Improvement

At JPT, a tool repair is never just a repair. It is an opportunity for our tooling application experts to evaluate cause-and-effect, identify root causes of tool failure, and recommend improvements that extend tool life and improve part quality. Our repair capabilities cover all boring bar tooling, milling cutters, generating and boring heads, bore and groove tooling, gages, setmasters, tool fixtures, tool drivers, arbors, reamers, broaching tools, machine spindles, fixtures, and much more. Learn more about our tool repair services.

JPT Services include the repair of damaged tools, cartridges, or reamers which can be economically rebuilt to perform the same as new tooling.

Save the expense of buying a new tool by rebuilding or modifying existing tooling.

What kind of tooling does JPT repair?

We specialize in difficult to manufacture Generating Heads, Actuating, CNC Motion, Line Bars, Spindles and other close tolerance tooling.

  • All Boring Bar Tooling
  • Milling Cutters
  • Generating or Boring Heads
  • Bore and Groove Tooling
  • Gages, Setmasters, and Tool Fixtures
  • Tool Drivers and Arbors
  • Reamers
  • Broaching Tools
  • Existing Special or Custom Tooling
  • Machine Spindles
  • Fixtures
  • Much, much more…

Serving Manufacturers Across Michigan and Beyond

Ready to put JPT’s precision machining services to work for your production operation? Contact our engineering team today to discuss your requirements. Whether you need a quick tool repair, a complex custom engineering project, or ongoing CNC machining support, JPT has the expertise and equipment to deliver. We serve manufacturers across the automotive, diesel engine, aerospace, military, energy, tool & die, and medical industries from our facility in Macomb, Michigan. Macomb, Michigan is home to one of the region’s most experienced precision machining services teams — and we’re ready to help.

Let’s Talk About Your Precision Machining Services Challenge

Every application is different. JPT’s engineering team works directly with your team to understand your specific machining requirements, cycle time goals, and production challenges — then designs a tooling solution built specifically for you. As an ISO 9001:2015 certified precision machining services provider and SAM.gov registered defense supplier, JPT brings the quality systems and engineering depth that demanding industries require.

Call us at 586-786-0080 or contact us online. We’re ready to help you find the right solution.

  • JPT Whitepapers


    Learn how cycle time reduction using the JPT Way can help increase profitability in this informative white paper.

  • The JPT Difference

    50+ Years Engineering Excellence – in Tooling & Component Manufacturing
    Backed by decades of experience, JPT delivers proven precision tooling solutions engineered for demanding machining applications.

    20+ Countries w/ Active Clients & Installations
    JPT supports manufacturers worldwide, delivering tooling solutions across global production environments.

    Millions of Components & Tools Delivered Annually
    From prototype to high-volume production, JPT tooling is built to perform consistently across large-scale manufacturing runs.

    ISO 9001:2015 Certified & Aerospace-Compliant Facility – Built for Quality, Certified to Perform
    Every process follows ISO 9001:2015 Certified standards, ensuring repeatable quality and precision across critical applications.

    Custom-Engineered Solutions
    Each tool is designed to meet exact specifications, solving complex machining challenges with precision and efficiency.

    Confidentiality & Supporting Solutions – Trusted by Tier 1 suppliers & OEMs
    JPT operates as a trusted partner behind the scenes, supporting Tier 1 suppliers and OEM production lines with proprietary solutions.

    Low-Volume Part Production – Ideal for prototyping, spares, and specialty defense projects
    Flexible production capabilities support everything from prototype development to specialized low-volume applications.

    Application-Specific Engineering & Tool Design – Engineered for your exact part geometry
    Every solution is engineered around your part geometry to optimize accuracy, cycle time, and performance.

    Advanced Tool Life Optimization – More uptime, fewer changeovers.
    Optimized tool design and materials extend tool life, reduce wear, and maximize uptime in production environments.

    Made in the USA – Built with pride, precision, and speed.
    Manufactured in the U.S., JPT tooling combines precision craftsmanship with fast, reliable delivery.

    Custom & Standard – Tailored solutions for your needs, ranging from custom indexable cutting tools to standard designs.
    From fully custom tooling to standard solutions, JPT offers a broad range of options to match your manufacturing needs.

    Fast Turnaround Times – Minimize downtime & maximize productivity.
    Streamlined engineering and manufacturing processes help reduce lead times and keep production moving.

    Have a new project or tooling challenge? Let’s talk. Our team is ready to help you find the most cost-effective solution for your specific application.

    The JPT Way

    Most tooling problems aren’t solved by buying off the shelf. They’re solved by understanding the application, the machine, and the process — then engineering the right solution.

    Cutting tools. Fixturing. Complete production solutions. That’s been the JPT way since 1971. No catalogs. No guessing. Just engineering.