CNC Punching A2 Tool Steel

VT machining provides CNC Punching A2 Tool Steel for customers who need accurate, repeatable A2 Tool Steel components. The machinability of A2 Tool Steel is machined in the annealed state, then hardened; carbide tooling preferred, so we set the operation up specifically for this grade.

CNC Punching 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

A2 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 A2 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 A2 Tool Steel with CNC Punching

The machinability of A2 Tool Steel is machined in the annealed state, then hardened; carbide tooling preferred. For CNC Punching 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 Punching A2 Tool Steel

CNC Punching A2 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.

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.

Design Tips for CNC Punching A2 Tool Steel

A few design choices make a real difference to cost and quality. Keeping hole-to-edge and hole-to-hole distances at least 1.5–2× thickness avoids distortion and tearing in punched A2 Tool Steel. If you send your model early, we will return practical DFM feedback before you commit to production.

Why A2 Tool Steel?

Specifying A2 Tool Steel for CNC Punching 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 Punching 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.

CNC Punching Tolerances & Surface Finish

Punched A2 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.

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 Punching A2 Tool Steel

CNC Punching 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 Punching 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

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 Punching 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.

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Frequently Asked Questions

How clean are the edges produced by CNC Punching on A2 Tool Steel?

Punched A2 Tool Steel edges are clean when punch/die clearance is correct; we set clearance to the gauge and can add deburring if specified.

What is CNC Punching A2 Tool Steel and how is it done?

CNC Punching A2 Tool Steel refers to cNC turret punching shears holes and form features in sheet metal using programmable tooling for fast, repeatable patterns. 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.

Which industries use CNC Punching A2 Tool Steel parts?

CNC Punching A2 Tool Steel parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise A2 Tool Steel components are required.

What is the typical lead time and minimum order for CNC Punching A2 Tool Steel?

CNC Punching 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 material thickness or size range suits CNC Punching A2 Tool Steel?

Punching suits A2 Tool Steel sheet roughly 0.5–6 mm thick, with clearance matched to the gauge.

What tolerances can you hold for CNC Punching A2 Tool Steel?

Achievable tolerances for A2 Tool Steel punching depend on the alloy, geometry and feature size. Punching holds hole-position repeatability to around ±0.10 mm. Exact figures are confirmed against your drawing callouts.