Skip to content
WWenCNCPrecision Manufacturing
CNC Turning

CNC Turning

CNC turning for shafts, bushings, fittings, spacers and turned-to-milled parts with concentric tolerances held in a single setup.

Get a QuoteAsk about this process
Tolerance
±0.01 mm typical on diameters
Diameter range
1 – 300 mm (machine dependent)
Surface finish
Ra 0.8 µm typical, finer by request
Threads
Metric and imperial, internal and external

How we hold this quality

Concentricity in one setup

Multiple diameters, grooves and threads produced in the same operation hold concentricity far better than moving the part between machines.

Turn-mill parts

Cross-holes, flats and slots can be added to turned parts so a fitting arrives complete rather than as a blank for a second supplier.

Thread and fit control

Threads are gauged and mating diameters are checked against the drawing before the batch continues.

Bar and blank work

Prototypes are cut from bar stock, and repeat parts can be run from sawn blanks or castings depending on the quantity and material.

Turning is the right process whenever a part is primarily rotational: shafts and spindles, bushings and sleeves, threaded fittings and adapters, spacers and standoffs, and pulleys or collars that need accurate bore-to-OD relationships.

Holding concentricity

The practical advantage of turning is that most features can be produced without moving the part. Where a second operation is unavoidable, we use soft jaws or a machined collet that references the first-operation geometry rather than the raw stock, which keeps runout under control.

Turned and milled in one order

Many parts need both. A hydraulic fitting needs a milled port; a sensor housing needs a flat and two cross-holes; a coupling needs an internal keyway. Because turning and milling run in the same workshop, these features are added without a separate order, packing step or tolerance stack-up between suppliers.

Process & part gallery

Turned and milled components
Small turned parts produced as a batch

How it works

From drawing to delivered part

  1. 1

    Send drawings

    Upload STEP, IGES, DXF or PDF files with material, quantity and finish.

  2. 2

    Engineering review

    We check manufacturability, tolerances and finish for this process.

  3. 3

    Quote and approve

    You receive unit price, lead time and any design questions in writing.

  4. 4

    Produce & inspect

    Manufacturing runs against an agreed inspection plan.

  5. 5

    Ship and support

    Parts are packed, documented and shipped, with support for revisions.

FAQ

CNC Turning — frequently asked questions

Can you turn thin-walled parts without distortion?

Yes, with the right sequence: bore supports, light finishing passes and, where needed, a sacrificial wall that is removed at the end. Tell us the wall thickness and the roundness requirement and we will plan for it.

Do you supply turned parts with milled features?

We do. Cross-drilled holes, milled flats, wrench features and slots are common additions to turned parts and are produced in the same order.

Which stainless steel should I specify?

For most machined parts, 303 offers the best machinability, 304 suits general corrosion resistance, and 316 is the choice for chloride or marine exposure. If the part is welded, 304 or 316 is preferred over 303.

Related processes

CNC Milling3-Axis CNC Machining4-Axis CNC Machining5-Axis CNC Machining

Start a project

Request a cnc turning quotation

Upload your CAD files with the material, quantity and finish. Our engineers will review the drawing and reply with pricing and lead time.

Get a QuoteBack to CNC Machining