CNC Punching D2 Tool Steel

CNC Punching D2 Tool Steel from VT machining delivers precision D2 Tool Steel parts made to your exact drawing. CNC turret punching shears holes and form features in sheet metal using programmable tooling for fast, repeatable patterns, with parameters tuned to D2 Tool Steel, which is wear-resistant and hardenable for tooling.

CNC Punching Capability for D2 Tool Steel

  • Air/oil/water-hardening grades
  • High wear resistance
  • Hardenable to 58–64 HRC
  • Tolerance to ±0.005 mm

D2 Tool Steel Material Data

D2 Tool Steel — typical properties, quoted for WC-Co (YG8 / K20)
Density14.5 g/cm³
Tensile strength2000–3500 (TRS) MPa
Yield strength (0.2%)
Hardness88–93 HRA / 1300–1800 HV
Melting point2870 (WC) °C
Thermal conductivity70–100 W/m·K
Thermal expansion5.0 ×10⁻⁶/K
Electrical conductivity10%
Machinability (C36000 = 100%)grind / EDM only
Grades we runYG6, 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.

Machining D2 Tool Steel — what actually causes trouble

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 D2 Tool Steel with CNC Punching

When punching D2 Tool Steel, machinability is machined in the annealed state, then hardened; carbide tooling preferred. Our process plan reflects this so the finished part holds its tolerances without distortion or poor finish.

Documented parameters for D2 Tool Steel mean predictable cycle times and stable, repeatable results.

Achievable Tolerances for CNC Punching D2 Tool Steel

CNC Punching D2 Tool Steel — achievable tolerances
FeatureStandardPrecision
Hole position across sheet±0.15 mm±0.10 mm
Hole diameter±0.10 mm±0.05 mm
Overall blank size±0.20 mm±0.10 mm
Minimum hole1.0 × thickness0.8 × thickness
Hole-to-edge distance2.0 × thickness1.5 × thickness
Burr height0.08 mm0.03 mm (deburred)
Sheet thickness range0.5–6.0 mm0.5–3.0 mm

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 Punching D2 Tool Steel

Small design adjustments often cut cost and lead time. Keeping hole-to-edge and hole-to-hole distances at least 1.5–2× thickness avoids distortion and tearing in punched D2 Tool Steel. If you send your model early, we will return practical DFM feedback before you commit to production.

Why D2 Tool Steel?

Customers select D2 Tool Steel for CNC Punching because it is wear-resistant and hardenable for tooling. We handle grade verification and any required heat treatment or finishing.

Secondary Operations & Finishing

Most D2 Tool Steel parts need some finishing, which we manage in-house or through vetted partners. Options include deburring and edge-breaking, heat treatment, surface grinding, polishing, and plating or anodising for corrosion resistance and appearance. Give us the finished-part requirement and we will sequence every operation correctly.

CNC Punching Tolerances & Surface Finish

Punched D2 Tool Steel holds hole-position repeatability around ±0.10 mm across the sheet, with consistent hole quality when punch/die clearance is matched to the gauge.

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.

CNC Punching Quality & Inspection

Quality is built in, not inspected on. We monitor key features during the run and confirm them at final inspection, with CMM verification available for tight tolerances. We provide the inspection and traceability records your quality system requires.

Applications of CNC Punching D2 Tool Steel

D2 Tool Steel parts made this way are found throughout aerospace, medical, automotive, electronics and industrial equipment. Prototype, bridge and production volumes are all welcome.

How to Order CNC Punching D2 Tool Steel

Starting your project takes one email. Send your CAD or 2D drawing, the D2 Tool Steel grade and condition, the quantity and any finish or inspection requirements. We respond quickly with price, lead time and any DFM notes, in clear English.

Finishing Options for D2 Tool Steel

Finishing options available with this material
FinishThickness / effectWhy it gets specified
Deburr / edge break0.05–0.3 mmAll parts unless the drawing says otherwise
Bead blastRa 1.6–3.2 µmUniform matt finish, hides tool marks
Laser markingPart number, lot code, data matrix
Free — no sign-up

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 Punching D2 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 D2 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.

D2 Tool Steel in Other Processes

Related

Send the drawing, the D2 Tool Steel condition and the quantity — pricing and lead time come back the same or next business day.

Request a Quote

Frequently Asked Questions

How clean are the edges produced by CNC Punching on D2 Tool Steel?

Punched D2 Tool Steel edges are clean when punch/die clearance is correct; we set clearance to the gauge and can add deburring if specified.

Can VT machining make custom D2 Tool Steel parts to my drawing?

Yes. D2 Tool Steel D2 Tool Steel punching 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.

Which industries use CNC Punching D2 Tool Steel parts?

CNC Punching D2 Tool Steel parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise D2 Tool Steel components are required.

Does CNC Punching D2 Tool Steel require dedicated tooling?

Punching uses programmable turret tooling; standard tools cover most patterns, with special tools added for unique forms.