CNC Turning Services
Custom CNC turning for shafts, bushings, sleeves, and other precision rotational parts. We support prototype and production CNC turned parts.
ISO 9001:2015 | AS9100D | ISO 13485 | IATF 16949 | ITAR Registered
Custom CNC Turning
We machine custom CNC turned parts for prototypes, low-volume builds, and production runs. Typical parts include shafts, bushings, spacers, sleeves, and threaded components.
- Shafts, bushings, spacers, sleeves, and threaded parts
- OD/ID turning, boring, grooving, threading, knurling
- Dimensional reports / FAI / material certificates
Kemal’s CNC Turning Capabilities
We run CNC turning centers with live tooling for axial/radial holes, flats, grooves, and slots. Tolerances and inspection scope are aligned during the quote-stage review
| Capability | Metric Units | Imperial Units | Description |
|---|---|---|---|
|
Tolerance Range |
Typical ±0.01 mm; Down to 0.005 mm |
Typical ±0.0004 in; Down to 0.0002 in |
Feature-level tight tolerances achievable on qualified geometry. Final tolerance depends on part design, material, and workholding strategy. |
|
Maximum Part Diameter |
Up to 430 mm |
Up to 17 in |
Suitable for medium to large diameter turned components. Larger diameters are reviewed on a case-by-case basis. |
|
Maximum Part Length |
Up to 900 mm |
Up to 39 in |
Length capability depends on part stiffness and support method. Long, slender parts are reviewed during quoting. |
|
Surface Finish |
Down to Ra 0.8 μm |
Down to Ra 32 μin |
Achievable surface finish varies by material, toolpath, and feature geometry. |
|
Supported Materials |
Aluminum, stainless steel, titanium, engineering plastics |
Aluminum, stainless steel, titanium, engineering plastics |
Common materials include aluminum alloys, stainless steels, titanium, POM, PEEK, and other engineering plastics. |
|
Prototype Lead Time |
From 3–5 business days |
From 3–5 business days |
Prototype lead time depends on material availability, geometry complexity, and inspection requirements. |
|
Production Lead Time |
Typically 2–4 weeks |
Typically 2–4 weeks |
Production schedules are defined based on order quantity, process routing, and quality documentation requirements. |
|
Workholding Methods |
Bar stock, chucking, collet |
Bar stock, chucking, collet |
Workholding method selected based on geometry, tolerance, and concentricity requirements. |
|
Live Tooling / Turn-Mill |
Supported |
Supported |
Cross-holes, flats, slots, and simple milling features can be completed in a single setup where applicable. |
|
Repeatability & Consistency |
Process-controlled |
Process-controlled |
Designed for repeatable results across prototype and production runs with defined setup strategies. |
|
Inspection & Quality |
Dimensional reports, CMM (as required) |
Dimensional reports, CMM (as required) |
Inspection scope aligned at quote stage. Material certifications available upon request. |
|
Quality Certifications |
ISO 9001:2015, AS9100D |
ISO 9001:2015, AS9100D |
Quality systems in place to support aerospace, medical, and industrial applications. |
Typical CNC Turned Parts
Shafts & Pins
Bearing seats, shoulders, and grooves for precise alignment. Concentricity/runout control on critical diameters.
Bushings & Sleeves
Press-fit and slip-fit ID/OD control for wear surfaces. Roundness, surface finish, and burr-managed edges.
Spacers & Standoffs
Length control for stack-up accuracy in assemblies. Flat faces, chamfers, and consistent deburring.
Threaded Parts & Fittings
Internal/external threads for fastening and sealing features. Thread quality, lead-ins, and burr control at starts.
Grooves & Retaining Features
Snap-ring grooves, reliefs, and undercuts for retention. Controlled groove width/depth and edge break.
Turn-Mill Parts (Live Tooling)
Flats, cross holes, and slots completed in one setup. Reduces re-chucking and protects datum consistency.
Why Choose Kemal for CNC Turning Service
DFM Support
DFM notes are provided during quoting to flag manufacturability risks and confirm critical features before machining.
Complex Turned Features Supported
Live tooling and controlled workholding are used to machine grooves, undercuts, cross-holes, and flats in a single setup, helping protect datum consistency.
Predictable Lead Times
Turning is scheduled and machined in-house across dedicated CNC turning cells, reducing handoffs and avoiding outsource delays.
CTQ Control
CTQ features are confirmed at quote stage and verified with dimensional reports or CMM inspection when required.
Revision & Change Control
Drawing versions and change points are tracked to prevent mix-ups across prototype and production builds.
Setup Repeatability
Repeatable setups are maintained using consistent locating and clamping methods to keep turned parts consistent across runs.
FAQs
We machine CNC turned parts such as shafts, pins, bushings, sleeves, spacers/standoffs, and threaded components in metals and engineering plastics. CNC turning is best suited for rotational parts where diameter control and concentricity matter.
If non-round features are required, live tooling can add flats, slots, or cross-holes where applicable.
Typical lead time is 3–5 business days for prototypes and 2–4 weeks for production runs. Final lead time is confirmed during quoting based on material availability, part complexity, order quantity, and inspection requirements.
We include DFM feedback at the quote stage to review tolerances, geometry, and workholding considerations. If changes are needed, we provide clear recommendations on critical features before machining begins.
Dimensional inspection reports are available for critical features, and CMM inspection can be provided when required. Material certifications and FAI documentation can also be supplied upon request based on your drawing and acceptance requirements.
Upload your CAD file (STEP/IGES) and, if available, a 2D drawing (PDF). Share the material, quantity, critical tolerances/CTQ notes, finishing requirements, and any inspection documentation needed; we’ll confirm scope and return pricing and lead time with quote-stage DFM feedback.
CNC turning is primarily used for rotational geometry such as diameters, bores, and concentric features. With live tooling, it can also produce limited non-round details—such as flats, slots, or cross-holes.
When a part requires extensive planar surfaces, deep pockets, or tight positional relationships across multiple faces, turning becomes less efficient. In these cases, those features are usually machined by CNC milling.
