CNC Reaming A2 Tool Steel from VT machining delivers precision A2 Tool Steel parts made to your exact drawing. Reaming finishes drilled holes to a precise diameter and smooth surface in a single controlled pass, with parameters tuned to A2 Tool Steel, which is wear-resistant and hardenable for tooling.
CNC Reaming Capability for A2 Tool Steel
- Air/oil/water-hardening grades
- High wear resistance
- Hardenable to 58–64 HRC
- Tolerance to ±0.005 mm
A2 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 A2 Tool Steel with CNC Reaming
The machinability of A2 Tool Steel is machined in the annealed state, then hardened; carbide tooling preferred. For CNC Reaming we select tooling, feeds, speeds and coolant to match, keeping the A2 Tool Steel workpiece stable and the result accurate.
Because we machine A2 Tool Steel regularly, proven settings shorten setup and keep quality repeatable across reorders.
Achievable Tolerances for CNC Reaming A2 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.
CNC Reaming Quality & Inspection
Consistent quality comes from disciplined process control. Critical dimensions on A2 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 Reaming A2 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 A2 Tool Steel. If you send your model early, we will return practical DFM feedback before you commit to production.
Secondary Operations & Finishing
We complete A2 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.
Why A2 Tool Steel?
Specifying A2 Tool Steel for CNC Reaming A2 Tool Steel is usually about its properties: wear-resistant and hardenable for tooling. Tell us the condition you need and we machine to it.
CNC Reaming Tolerances & Surface Finish
For CNC Reaming, 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 Reaming A2 Tool Steel
CNC Reaming of A2 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 Reaming A2 Tool Steel
Ordering A2 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 A2 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 Reaming A2 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 A2 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.
A2 Tool Steel in Other Processes
Related
Send the drawing, the A2 Tool Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
Does CNC Reaming A2 Tool Steel require dedicated tooling?
Most A2 Tool Steel machining work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.
What is CNC Reaming A2 Tool Steel and how is it done?
CNC Reaming A2 Tool Steel refers to reaming finishes drilled holes to a precise diameter and smooth surface in a single controlled pass. Applied to A2 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.
What surface finish is achievable on A2 Tool Steel with CNC Reaming?
Surface finish on A2 Tool Steel is controlled to your specification; we confirm the achievable Ra against your callout.
Why is A2 Tool Steel a good choice for CNC Reaming?
A2 Tool Steel is wear-resistant and hardenable for tooling, which makes it well suited to CNC Reaming. We tune the process to the alloy so the finished A2 Tool Steel machining part meets your dimensional and functional requirements.
What is the typical lead time and minimum order for CNC Reaming A2 Tool Steel?
CNC Reaming prototypes for A2 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.
What tolerances can you hold for CNC Reaming A2 Tool Steel?
Achievable tolerances for A2 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.