CNC Drilling Beryllium Copper

Looking for reliable CNC Drilling Beryllium Copper? VT machining manufactures Beryllium Copper parts to tight tolerances and consistent quality. Beryllium Copper is high strength with good conductivity and fatigue life, so the process is set up specifically for the material.

Starting Parameters for CNC Drilling Beryllium Copper

Cutting speed (carbide)45-90 m/min
Feed, Ø8 mm drill0.064-0.154 mm/rev
Spindle speed, Ø8 mm1790-3580 rpm
Peck depth1-3 × D
Insert / tool classISO H — CBN or fine-grain carbide
CoolantFlood coolant (required to control beryllium-bearing dust)

Shown for C17200 Beryllium Copper, the most common Beryllium Copper grade we see for CNC Drilling. Starting values for C17200 Beryllium Copper, Solution annealed (TB00) or aged (TH04); optimised on the first article.

CNC Drilling Beryllium Copper — produced in-house at VT machining

CNC Drilling Capability for Beryllium Copper

  • Hole position ±0.05 mm
  • Depth-to-diameter to 10:1+
  • Peck and through-coolant cycles
  • Spot, drill, ream sequencing

Beryllium Copper material properties, finishing options and grade notes are on our CNC Milling Beryllium Copper page.

How CNC Drilling Beryllium Copper Works

Rotating multi-flute cutters remove material as the Beryllium Copper workpiece is driven through programmed tool paths on 3-, 4- or 5-axis machining centres. Climb milling, step-over and depth-of-cut are set so chip load stays in the ideal band for the alloy.

Every job begins from your CAD model or 2D drawing. Fixturing and tool paths are planned so the most critical dimensions are produced in the most rigid, repeatable setup. Critical dimensions are checked on the first part and monitored through the run.

Achievable Tolerances for CNC Drilling Beryllium Copper

CNC Drilling Beryllium Copper — 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 Drilling Tolerances & Surface Finish

For CNC Drilling, 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.

Final tolerances are governed by the material's behaviour, wall thickness and overall stiffness. We give honest DFM feedback if a callout would be costly or better achieved another way.

Design Tips for CNC Drilling Beryllium Copper

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 Beryllium Copper. If you send your model early, we will return practical DFM feedback before you commit to production.

Applications of CNC Drilling Beryllium Copper

CNC Drilling of Beryllium Copper 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.

Typical Beryllium Copper Parts for CNC Drilling

Illustrative examples of CNC Drilling Beryllium Copper parts and the callouts that usually drive the process plan. They show the kind of work that fits this process; they are not specific customer orders.

Optical mount plate

Material
Beryllium Copper
Size
160 × 160 × 12 mm
Key callouts
Hole pattern true position ±0.02 mm, flatness 0.01 mm
Batch
40 pcs

Roughed, stress-relieved overnight, then finished — the plate is too thin to hold flatness in one hit.

Vacuum chamber flange

Material
Beryllium Copper
Size
Ø180 × 20 mm
Key callouts
Knife-edge seal Ra 0.4 µm, bolt circle ±0.05 mm
Batch
60 pcs

Sealing face finished last, then handled in gloves and bagged straight off the machine.

Robot end-effector bracket

Material
Beryllium Copper
Size
180 × 90 × 30 mm
Key callouts
Bore pair concentric within 0.02 mm, weight reduction pockets
Batch
120 pcs

Pockets ganged so wall thickness never drops below 2 mm at the load path.

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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 Drilling Beryllium Copper

  • 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 Beryllium Copper 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.

Other Metals for CNC Drilling

Other Processes for Beryllium Copper

Send the drawing, the Beryllium Copper grade and the quantity. You get pricing, lead time and any DFM notes back — usually within one business day.

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Frequently Asked Questions

What material thickness or size range suits CNC Drilling Beryllium Copper?

We machine Beryllium Copper across a broad size range; share your part envelope for confirmation.

Which industries use CNC Drilling Beryllium Copper parts?

CNC Drilling Beryllium Copper parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise Beryllium Copper components are required.

Why is Beryllium Copper a good choice for CNC Drilling?

Beryllium Copper is high strength with good conductivity and fatigue life, which makes it well suited to CNC Drilling. We tune the process to the alloy so the finished Beryllium Copper machining part meets your dimensional and functional requirements.

Does CNC Drilling Beryllium Copper require dedicated tooling?

Most Beryllium Copper machining work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.

Can VT machining make custom Beryllium Copper parts to my drawing?

Yes. Beryllium Copper 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.

What is CNC Drilling Beryllium Copper and how is it done?

CNC Drilling Beryllium Copper refers to programmed drilling produces accurately positioned holes, including deep and pattern hole arrays. Applied to Beryllium Copper — high strength with good conductivity and fatigue life — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.