kavtek

CNC machining service

CNC machining for parts that have to hold a number

Milling and turning for work where the drawing carries a tolerance and the material is named on it. You specify the grade; an engineer reviews the geometry and quotes a fixed price.

Start your request

Selected work

Some of what has come off these machines

CAD model of a cube-shaped satellite frame: a circular aperture braced by cross ribs on each face, perforated internal panels and notched corner rails.

CAD model

CNC milling · one-off, four-day turnaround

CubeSat structure

Structural frame for a microsatellite, machined as a weekend one-off. The satellite reached orbit in 2016.

Read the case study

Machined copper part: a disc with a dense outer ring of radial fins and a radial vane structure around the centre.

CNC milling · copper · two setups

Magnetron component

Copper component of a magnetron for an advanced microwave device.

Read the case study

Three turbine blades of differing size and colour, with freeform aerofoil surfaces and machined root forms.

CNC machining · CMSX-10 single-crystal superalloy

Turbine blades

Blades for a combined heat and power plant turbine.

Read the case study

All case studies

Published with our customers' permission.

Capabilities

What we undertake

Tolerance±0.05 mm guaranteed, ±0.01 mm typicalMilling envelopeup to 1500 × 500 × 250 mmTurningØ40 mm standard, Ø80 mm on requestTurning lengthup to 200 mmSurface finishRz 12.5 as-machined (turning, milling), Rz 6.3 on request; Ra by grindingTypical lead time5–7 working days for small quantitiesBatch sizefrom 1 piecePost-processingElectroplating and painting, through partners

Tighter tolerances are possible with additional finishing on request — this raises the cost.

Materials

Four families, and the grade is yours to name

Aluminium

Light, fast to cut and dimensionally stable — the default for housings, brackets, fixtures and prototype hardware.

Steel and stainless

Where strength, wear or corrosion resistance decides the part: shafts, mounts, tooling and anything that has to survive a wash-down.

Copper alloys

Chosen for thermal and electrical conductivity — heat sinks, electrodes, RF and microwave hardware, bronze and brass bearing parts.

Engineering plastics

Machined rather than printed when the part needs an isotropic material, a sealing face, or a surface that has to stay flat.

The exact grade is a free-text field on the request form, not a dropdown. If your drawing says 7075-T6, 1.4404 or PEEK, write it — we quote against what you specify rather than the nearest thing on a list.

How the work is placed

CNC parts are machined by vetted partner workshops under our responsibility: we quote the job, check the parts on arrival and ship them ourselves.

How it works

From file to shipment

  1. 01

    Upload

    Send your STEP, STP, STL or OBJ file, name the material and grade, and state the tolerances that matter.

  2. 02

    Quote

    An engineer reviews the geometry for manufacturability and sends a fixed-price offer with a lead time.

  3. 03

    Machine

    Once you accept and pay, the part is programmed, cut and inspected against the features you specified.

  4. 04

    Ship

    Finished parts are packed and shipped with tracking, to the address you give at acceptance.

Questions

CNC machining — frequently asked questions

Can you machine a single piece?

Yes. Batch size: from 1 piece. One-offs, replacement parts and prototypes are the core of what we machine.

What tolerances can you hold?

±0.05 mm guaranteed, ±0.01 mm typical. Tighter tolerances are possible with additional finishing on request — this raises the cost.

Do you do CNC milling and CNC turning?

Both. Milling envelope up to 1500 × 500 × 250 mm; turning Ø40 mm standard, Ø80 mm on request, up to 200 mm in length.

Which materials can you machine?

Aluminium, steel and stainless, copper alloys and engineering plastics. The grade is a free-text field on the request form — if your drawing says 7075-T6, 1.4404 or PEEK, write it and we quote against exactly that.

Can you work from a 2D drawing?

Yes — a drawing with tolerances is welcome. A STEP file alongside it speeds up quoting.

How fast can you deliver?

Typical lead time is 5–7 working days for small quantities, plus tracked EU shipping. State a hard deadline in the request and the quote will address it explicitly.

Who machines the parts?

Vetted partner workshops, under our responsibility: we engineer the quote, inspect every part on arrival and ship it ourselves. You deal with one counterparty — us.

Have a drawing with a tolerance on it?

Upload the model, name the grade, and get a fixed-price offer from an engineer rather than a calculator.

Start your request