CNC 4-Axis Machining D3 Tool Steel from VT machining delivers precision D3 Tool Steel parts made to your exact drawing. Four-axis machining adds a rotary axis for indexed or continuous machining around a part, with parameters tuned to D3 Tool Steel, which is wear-resistant and hardenable for tooling.
CNC 4-Axis Machining Capability for D3 Tool Steel
- Air/oil/water-hardening grades
- High wear resistance
- Hardenable to 58–64 HRC
- Tolerance to ±0.005 mm
D3 Tool Steel Material Data
| Density | 14.5 g/cm³ |
|---|---|
| Tensile strength | 2000–3500 (TRS) MPa |
| Yield strength (0.2%) | — |
| Hardness | 88–93 HRA / 1300–1800 HV |
| Melting point | 2870 (WC) °C |
| Thermal conductivity | 70–100 W/m·K |
| Thermal expansion | 5.0 ×10⁻⁶/K |
| Electrical conductivity | 10% |
| Machinability (C36000 = 100%) | grind / EDM only |
| Grades we run | YG6, YG8, YG15 (K10–K30), D2, H13, M2, SKD11 |
Published typical values for WC-Co (YG8 / K20). Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.
Everything is done by grinding, wire EDM or sinker EDM. Design in a small corner radius wherever possible — a true sharp internal corner doubles the EDM time.
Machining D3 Tool Steel with CNC 4-Axis Machining
The machinability of D3 Tool Steel is machined in the annealed state, then hardened; carbide tooling preferred. For CNC 4-Axis Machining we select tooling, feeds, speeds and coolant to match, keeping the D3 Tool Steel workpiece stable and the result accurate.
Because we machine D3 Tool Steel regularly, proven settings shorten setup and keep quality repeatable across reorders.
Achievable Tolerances for CNC 4-Axis Machining D3 Tool Steel
| Feature | Standard | Precision |
|---|---|---|
| Linear dimension (< 100 mm) | ±0.05 mm | ±0.010 mm |
| Linear dimension (100–300 mm) | ±0.10 mm | ±0.025 mm |
| Hole diameter (reamed) | H9 | H7 |
| True position of hole pattern | ±0.10 mm | ±0.025 mm |
| Flatness over 100 mm | 0.05 mm | 0.015 mm |
| Perpendicularity | 0.10 mm | 0.020 mm |
| Surface finish, as machined | Ra 1.6 µm | Ra 0.4 µm |
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.
Why D3 Tool Steel?
Specifying D3 Tool Steel for CNC 4-Axis Machining D3 Tool Steel is usually about its properties: wear-resistant and hardenable for tooling. Tell us the condition you need and we machine to it.
Secondary Operations & Finishing
We complete D3 Tool Steel components with the secondary steps your drawing calls for. We arrange heat treatment, surface treatment, marking and assembly as needed. Tell us the final spec and we will plan the full route so parts arrive ready to use.
CNC 4-Axis Machining Quality & Inspection
Consistent quality comes from disciplined process control. Critical dimensions on D3 Tool Steel parts are checked in-process and verified at final inspection using calibrated instruments and, where required, CMM measurement. Full documentation — dimensional reports, mill certs, FAIR — is available when your programme needs it.
Design Tips for CNC 4-Axis Machining D3 Tool Steel
A few design choices make a real difference to cost and quality. Generous internal radii, sensible pocket depth-to-width ratios and avoiding very thin unsupported walls all reduce cost and improve accuracy in D3 Tool Steel. If you send your model early, we will return practical DFM feedback before you commit to production.
CNC 4-Axis Machining Tolerances & Surface Finish
For CNC 4-Axis Machining, dimensional and positional tolerances around ±0.01 mm are routine, tightening toward ±0.005 mm on precision setups. Surface finish on machined faces typically falls in the Ra 0.4–1.6 µm range depending on tooling and pass strategy.
The tightest tolerances are reserved for the features your drawing flags as critical. Share your tolerance scheme and we will confirm what is realistic before quoting.
Applications of CNC 4-Axis Machining D3 Tool Steel
CNC 4-Axis Machining of D3 Tool 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.
How to Order CNC 4-Axis Machining D3 Tool Steel
Ordering D3 Tool Steel parts is straightforward. Provide the drawing, material, quantity and any certification needs. Our engineers reply — in English — with feasibility, pricing and a realistic lead time, usually within one business day.
Finishing Options for D3 Tool Steel
| Finish | Thickness / effect | Why it gets specified |
|---|---|---|
| Deburr / edge break | 0.05–0.3 mm | All parts unless the drawing says otherwise |
| Bead blast | Ra 1.6–3.2 µm | Uniform matt finish, hides tool marks |
| Laser marking | — | Part number, lot code, data matrix |
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 4-Axis Machining D3 Tool 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 D3 Tool 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.
D3 Tool Steel in Other Processes
Related
Send the drawing, the D3 Tool Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What tolerances can you hold for CNC 4-Axis Machining D3 Tool Steel?
Achievable tolerances for D3 Tool Steel machining depend on the alloy, geometry and feature size. Milling holds positional and dimensional tolerances to around ±0.01 mm, tighter with precision setups. Exact figures are confirmed against your drawing callouts.
What is CNC 4-Axis Machining D3 Tool Steel and how is it done?
CNC 4-Axis Machining D3 Tool Steel refers to four-axis machining adds a rotary axis for indexed or continuous machining around a part. Applied to D3 Tool Steel — wear-resistant and hardenable for tooling — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
Does CNC 4-Axis Machining D3 Tool Steel require dedicated tooling?
Most D3 Tool Steel machining work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.
What is the typical lead time and minimum order for CNC 4-Axis Machining D3 Tool Steel?
CNC 4-Axis Machining prototypes for D3 Tool 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.
How clean are the edges produced by CNC 4-Axis Machining on D3 Tool Steel?
Machined D3 Tool Steel edges are clean and to specification; edge-break or deburring is added when your drawing calls for it.
Can VT machining make custom D3 Tool Steel parts to my drawing?
Yes. D3 Tool Steel D3 Tool Steel machining 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.