CNC Turning Service for Precision Metal Components

High-accuracy turning and mill-turn solutions for complex cylindrical parts.
From prototyping to mass production, we ensure consistency, efficiency, and precision.

CNC Turning Service for Precision Round Components

MTSPi CNC provides CNC turning service for precision round components such as shafts, pins, spacers, sleeves, bushings, threaded inserts, collars, connectors, and custom turned parts. We machine metal and plastic components for prototypes, low-volume production, and repeat manufacturing.

Our turning review focuses on diameter tolerance, runout, concentricity, thread fit, bore depth, groove width, shoulder location, surface finish, and material behavior. This helps buyers avoid assembly problems on parts that mate with bearings, seals, fasteners, tubes, or rotating systems.

Turned part features

  • External turning, boring, facing, grooving, parting, chamfering, drilling, tapping, and threading
  • Shafts, bushings, spacers, pins, sleeves, collars, nozzles, connectors, and round housings
  • Support for functional prototypes and production-ready turned parts

Materials

  • Aluminum, stainless steel, carbon steel, brass, copper, titanium, POM, nylon, PTFE, PEEK, and other engineering materials
  • Material advice for wear, corrosion, strength, friction, weight, and machining cost
  • Finish planning for visible, sliding, sealing, and threaded surfaces

Inspection focus

  • Diameter, bore, thread, groove, shoulder, runout, and surface finish checks
  • Micrometer, bore gauge, thread gauge, pin gauge, and CMM support when needed
  • Clear inspection priorities for critical fit features

CNC Turning Capabilities

Buyer needMTSPi CNC supportTypical use case
Shafts and pinsControlled diameters, shoulders, chamfers, grooves, and end featuresMotion systems, fixtures, connectors, tools, and industrial equipment
Bushings and sleevesBores, wall thickness, concentricity, and surface finish controlWear parts, spacers, bearing supports, and alignment components
Threaded turned partsInternal and external threads, undercuts, lead-in chamfers, and thread depth checksFastening, fluid connectors, inserts, and assembly hardware
Prototype and small batch turningFlexible setup for samples, replacement parts, and low-volume productionDesign validation, urgent repairs, and bridge production

Why This Page Matters for Buyers

CNC turning quality depends on more than the lathe itself. The drawing should clarify which diameters control fit, which surfaces rotate or seal, which threads need gauge verification, and which edges require controlled deburring. MTSPi CNC reviews these details before machining so turned parts are easier to assemble and inspect.

Related CNC Service and Resource Pages

Use these related pages to compare process choices, materials, inspection needs, and next-step manufacturing routes.

FAQ

What turned parts can MTSPi CNC make? Common turned parts include shafts, pins, bushings, sleeves, spacers, collars, threaded fittings, inserts, nozzles, and custom round components.

What dimensions matter most on turned parts? Critical dimensions often include outside diameter, inside bore, runout, concentricity, thread fit, groove width, shoulder location, and surface finish.

Can turned parts also need milling? Yes. Many round parts need flats, cross holes, slots, or side features after turning. MTSPi CNC can review whether the part needs combined turning and milling operations.

CNC Turning Service

High-precision turning, Swiss-type and mill-turn capabilities for complex parts.

Precision Turning Precision CNC lathe machining a metal workpiece
Advanced CNC Turning Solutions

We provide tight-tolerance turning for prototypes and production. From bar-fed Swiss-type to multi-axis mill-turn, our lathes handle complex features, fine surface finishes, and consistent repeatability.

Technical Specifications
Tolerance
±0.005 mm
Max Turning Length Ø
Ø 350 × 500 mm
Surface Finish
Ra 0.4–3.2 μm
Lead Time
3–7 Days
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