CNC 5-Axis Machining SKD61 Tool Steel

VT machining specialises in CNC 5-Axis Machining SKD61 Tool Steel. Because SKD61 Tool Steel is wear-resistant and hardenable for tooling, and its machinability is machined in the annealed state, then hardened; carbide tooling preferred, we plan each job around the grade to protect accuracy and surface quality.

CNC 5-Axis Machining Capability for SKD61 Tool Steel

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

SKD61 Tool Steel Material Data

SKD61 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 SKD61 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 SKD61 Tool Steel with CNC 5-Axis Machining

When machining SKD61 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 SKD61 Tool Steel mean predictable cycle times and stable, repeatable results.

Achievable Tolerances for CNC 5-Axis Machining SKD61 Tool Steel

CNC 5-Axis Machining SKD61 Tool Steel — achievable tolerances
FeatureStandardPrecision
Linear dimension (< 100 mm)±0.05 mm±0.010 mm
Linear dimension (100–300 mm)±0.10 mm±0.025 mm
Hole diameter (reamed)H9H7
True position of hole pattern±0.10 mm±0.025 mm
Flatness over 100 mm0.05 mm0.015 mm
Perpendicularity0.10 mm0.020 mm
Surface finish, as machinedRa 1.6 µmRa 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 5-Axis Machining 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.

Why SKD61 Tool Steel?

Customers select SKD61 Tool Steel for CNC 5-Axis Machining because it is wear-resistant and hardenable for tooling. We handle grade verification and any required heat treatment or finishing.

CNC 5-Axis Machining Tolerances & Surface Finish

For CNC 5-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.

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.

Design Tips for CNC 5-Axis Machining SKD61 Tool Steel

Small design adjustments often cut cost and lead time. Generous internal radii, sensible pocket depth-to-width ratios and avoiding very thin unsupported walls all reduce cost and improve accuracy in SKD61 Tool Steel. If you send your model early, we will return practical DFM feedback before you commit to production.

Secondary Operations & Finishing

Most SKD61 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.

Applications of CNC 5-Axis Machining SKD61 Tool Steel

SKD61 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 5-Axis Machining SKD61 Tool Steel

Starting your project takes one email. Send your CAD or 2D drawing, the SKD61 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 SKD61 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
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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.

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What We Need to Quote CNC 5-Axis Machining SKD61 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 SKD61 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.

SKD61 Tool Steel in Other Processes

Related

Send the drawing, the SKD61 Tool Steel condition and the quantity — pricing and lead time come back the same or next business day.

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Frequently Asked Questions

What is CNC 5-Axis Machining SKD61 Tool Steel and how is it done?

CNC 5-Axis Machining SKD61 Tool Steel refers to five-axis machining orients the tool to complex geometry in one setup, reducing fixturing and improving accuracy. Applied to SKD61 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 material thickness or size range suits CNC 5-Axis Machining SKD61 Tool Steel?

We machine SKD61 Tool Steel across a broad size range; share your part envelope for confirmation.

How clean are the edges produced by CNC 5-Axis Machining on SKD61 Tool Steel?

Machined SKD61 Tool Steel edges are clean and to specification; edge-break or deburring is added when your drawing calls for it.

Which industries use CNC 5-Axis Machining SKD61 Tool Steel parts?

CNC 5-Axis Machining SKD61 Tool Steel parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise SKD61 Tool Steel components are required.