VT machining provides CNC Honing Hard Alloys for customers who need accurate, repeatable Hard Alloys components. Because Hard Alloys is wear-resistant carbide and hardened tool materials, we adapt the process to suit — controlling the variables that matter for this alloy.
Process Data for CNC Honing Hard Alloys
| Stone | Aluminium oxide or CBN |
|---|---|
| Size tolerance | Ø ±0.002-0.005 mm, roundness ≤0.002 mm |
| Surface finish | Ra 0.1-0.3 µm, 30-45° cross-hatch |
Shown for Tungsten Carbide, the most common Hard Alloys grade we see for CNC Honing. Typical values for Tungsten Carbide, Sintered; confirmed on the first part.

CNC Honing Capability for Hard Alloys
- Bore Ra to 0.1 µm
- Cross-hatch pattern
- Roundness within 0.002 mm
- Hydraulic-bore finishing
Hard Alloys material properties, finishing options and grade notes are on our CNC Polishing Hard Alloys page.
How CNC Honing Hard Alloys Works
Abrasive media or tooling refine the Hard Alloys surface in controlled stages, removing the previous step's marks until the target roughness and edge condition are reached.
Programming is driven directly by your 3D model or print. Work-holding, tool selection and the cutting strategy are planned around the critical features and the material before the first chip is cut. First-off inspection confirms the process is centred before production continues.
Achievable Tolerances for CNC Honing Hard Alloys
| Feature | Standard | Precision |
|---|---|---|
| Surface roughness | Ra 0.8 µm | Ra 0.05 µm |
| Edge break | 0.1–0.3 mm | 0.05 ±0.02 mm |
| Material removed | 0.02 mm | 0.005 mm |
| Bore roundness after honing | 0.005 mm | 0.002 mm |
| Cross-hatch angle | 45° ±10° | 45° ±5° |
| Cosmetic grade | uniform satin | mirror, no visible lines |
| Masking of datum faces | on request | standard |
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 Hard Alloys
We are happy to suggest design tweaks that improve manufacturability. Telling us the target Ra, the cosmetic faces and any masking needs lets us finish Hard Alloys 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 Hard Alloys to a defined roughness target — from a uniform satin to Ra values as low as 0.05 µm — with controlled, repeatable edge breaks.
Exact achievable figures depend on the alloy, the feature size and the part geometry. Tell us which dimensions are critical and we will advise feasibility up front.
Applications of CNC Honing Hard Alloys
Customers order CNC Honing Hard Alloys components for everything from instrumentation to structural and functional assemblies. Whether you need a single prototype or recurring production volume, the same process discipline applies.
Typical Hard Alloys Parts for CNC Honing
Illustrative examples of CNC Honing Hard Alloys 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.
Sealing face
- Material
- Hard Alloys
- Size
- Ø60 mm face
- Key callouts
- Ra 0.2 µm, flatness 0.005 mm
- Batch
- 1,000 pcs
Lapped after grinding; the seal spec is a roughness number, not a dimension.
Mirror-polished insert
- Material
- Hard Alloys
- Size
- 80 × 50 mm cavity
- Key callouts
- Ra 0.05 µm, SPI A2
- Batch
- 60 pcs
Polished in five abrasive stages; skipping one leaves scratches the next cannot remove.
Passivated stainless fitting
- Material
- Hard Alloys
- 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.
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.
What We Need to Quote CNC Honing Hard Alloys
- 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 Hard Alloys 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 Hard Alloys
Send the drawing, the Hard Alloys grade and the quantity. You get pricing, lead time and any DFM notes back — usually within one business day.
Request a QuoteFrequently Asked Questions
Which industries use CNC Honing Hard Alloys parts?
CNC Honing Hard Alloys parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise Hard Alloys components are required.
Can VT machining make custom Hard Alloys parts to my drawing?
Yes. Hard Alloys 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 is the typical lead time and minimum order for CNC Honing Hard Alloys?
CNC Honing prototypes for Hard Alloys 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 tolerances can you hold for CNC Honing Hard Alloys?
Achievable tolerances for Hard Alloys 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.
What material thickness or size range suits CNC Honing Hard Alloys?
We machine Hard Alloys across a broad size range; share your part envelope for confirmation.
