CNC Honing Stainless Steel

Looking for reliable CNC Honing Stainless Steel? VT machining manufactures Stainless Steel parts to tight tolerances and consistent quality. Stainless Steel is corrosion resistant, strong, hygienic (304/316 grades), so the process is set up specifically for the material.

Process Data for CNC Honing Stainless Steel

StoneAluminium oxide or CBN
Size toleranceØ ±0.002-0.005 mm, roundness ≤0.002 mm
Surface finishRa 0.1-0.3 µm, 30-45° cross-hatch

Shown for 304 Stainless Steel, the most common Stainless Steel grade we see for CNC Honing. Typical values for 304 Stainless Steel, Annealed; confirmed on the first part.

CNC Honing Stainless Steel — produced in-house at VT machining

CNC Honing Capability for Stainless Steel

  • Bore Ra to 0.1 µm
  • Cross-hatch pattern
  • Roundness within 0.002 mm
  • Hydraulic-bore finishing

Stainless Steel material properties, finishing options and grade notes are on our CNC Polishing Stainless Steel page.

How CNC Honing Stainless Steel Works

Abrasive media or tooling refine the Stainless Steel surface in controlled stages, removing the previous step's marks until the target roughness and edge condition are reached.

Every job begins from your CAD model or 2D drawing. Fixturing and tool paths are planned so the most critical dimensions are produced in the most rigid, repeatable setup. Critical dimensions are checked on the first part and monitored through the run.

Achievable Tolerances for CNC Honing Stainless Steel

CNC Honing Stainless Steel — achievable tolerances
FeatureStandardPrecision
Surface roughnessRa 0.8 µmRa 0.05 µm
Edge break0.1–0.3 mm0.05 ±0.02 mm
Material removed0.02 mm0.005 mm
Bore roundness after honing0.005 mm0.002 mm
Cross-hatch angle45° ±10°45° ±5°
Cosmetic gradeuniform satinmirror, no visible lines
Masking of datum faceson requeststandard

Standard is what a normal quotation assumes. Precision is available on nominated features and is priced separately, because it needs extra setups, in-process gauging and CMM verification. Call out only the features that need it — blanket-tightening a drawing is the single most common reason a quote comes back expensive.

Design Tips for CNC Honing Stainless Steel

A few design choices make a real difference to cost and quality. Telling us the target Ra, the cosmetic faces and any masking needs lets us finish Stainless Steel efficiently without over-processing. If you send your model early, we will return practical DFM feedback before you commit to production.

CNC Honing Tolerances & Surface Finish

Finishing brings Stainless Steel to a defined roughness target — from a uniform satin to Ra values as low as 0.05 µm — with controlled, repeatable edge breaks.

Final tolerances are governed by the material's behaviour, wall thickness and overall stiffness. We give honest DFM feedback if a callout would be costly or better achieved another way.

Applications of CNC Honing Stainless Steel

CNC Honing of Stainless Steel supports parts across aerospace, medical, automotive, electronics, semiconductor, energy and general industrial sectors. We scale from one-off prototypes to ongoing production while holding the same quality.

Typical Stainless Steel Parts for CNC Honing

Illustrative examples of CNC Honing Stainless Steel parts and the callouts that usually drive the process plan. They show the kind of work that fits this process; they are not specific customer orders.

Cosmetic housing

Material
Stainless Steel
Size
150 × 90 mm visible face
Key callouts
Uniform satin, no directional lines
Batch
2,500 pcs

Grained in one direction with datum faces masked so they keep their tolerance.

Deburred stamping

Material
Stainless Steel
Size
40 × 25 × 1 mm
Key callouts
Edge break 0.05–0.15 mm, no sharp edges
Batch
30,000 pcs

Vibratory finished in media sized to reach every internal cutout.

Passivated stainless fitting

Material
Stainless Steel
Size
Ø18 × 40 mm
Key callouts
ASTM A967 citric passivation, no free iron
Batch
5,000 pcs

Passivated after all machining, then tested with a copper sulphate check.

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No drawing yet? Build one in the browser.

Set the metal, dimensions and features, watch the 3D model update as you type, then switch to the 2D sheet to add dimensions and tolerances. Download it or send it straight to us with your RFQ.

Open the 3D + 2D Builder

What We Need to Quote CNC Honing Stainless Steel

  • GeometrySTEP or IGES for the 3D model, plus a PDF drawing if you have tolerance callouts. A dimensioned sketch is enough to start.
  • MaterialThe exact Stainless Steel grade and condition — temper, heat-treat state or hardness. If you are not sure, tell us the function and we will suggest one.
  • QuantityPrototype count and the expected annual volume. Both change how the part is made and therefore what it costs.
  • TolerancesWhich features are critical. Everything else runs to our standard tolerance, which is what keeps the price sensible.
  • FinishSurface treatment, cosmetic requirements, and any faces that must be masked.
  • DocumentsWhether you need a material certificate, dimensional report, FAIR or PPAP with the shipment.

Missing something from the list is not a problem — send what you have. We will come back with the specific questions rather than a generic form.

Other Metals for CNC Honing

Other Processes for Stainless Steel

Send the drawing, the Stainless Steel grade and the quantity. You get pricing, lead time and any DFM notes back — usually within one business day.

Request a Quote

Frequently Asked Questions

How clean are the edges produced by CNC Honing on Stainless Steel?

Our deburring leaves Stainless Steel with a consistent, controlled edge break and burr-free surfaces.

What is the typical lead time and minimum order for CNC Honing Stainless Steel?

CNC Honing prototypes for Stainless Steel can be produced quickly and scaled to series production. Send your drawing and quantity and we will advise lead time and any minimum order.

What surface finish is achievable on Stainless Steel with CNC Honing?

Our finishing processes refine Stainless Steel surfaces to Ra values as low as 0.05 µm for cosmetic or sealing faces.

Can VT machining make custom Stainless Steel parts to my drawing?

Yes. Stainless Steel finishing is made to order from your CAD/2D drawing. Share your geometry, material grade, tolerance and quantity and we will confirm feasibility, lead time and pricing.

What tolerances can you hold for CNC Honing Stainless Steel?

Achievable tolerances for Stainless Steel finishing depend on the alloy, geometry and feature size. We hold tight, repeatable tolerances appropriate to the feature and material. Exact figures are confirmed against your drawing callouts.

Does CNC Honing Stainless Steel require dedicated tooling?

Most Stainless Steel finishing work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.