CNC Drilling Service

Professional CNC Drilling Services by a Trusted China Manufacturer

Accurate holes, on-time delivery, factory-direct pricing. YiguProto is your reliable CNC drilling supplier — from one-off prototypes to full production runs.

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CNC Drilling machining at YiguProto China factory
CNC Drilling at our China factory: precision, speed and quality under one roof

The Problem & Our Solution

Stop Fighting with Off-Spec Holes and Unreliable Suppliers

Hole position, depth and finish are hard to hold by hand. A bad hole can scrap an entire part.

As your China CNC drilling manufacturer and supplier, YiguProto gives you one accountable partner — from quote to delivered parts.

  • Exact holes, every time — CNC-controlled position, depth and repeatability.
  • Factory-direct pricing — no middleman markup, clear itemized quotes.
  • Fast DFM feedback — our engineers flag risky features before you order.
  • Deep-hole & multi-hole patterns — handled on the same setup, no extra fixtures.
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What It Is

What Is CNC Drilling? (Explained Simply)

A plain-English guide for buyers, engineers and first-time specifiers.

CNC drilling is a machining service that uses a computer-controlled drill to make round holes in metal, plastic or other materials. "CNC" means the machine follows a digital program, not a human hand.

The drill bit spins and moves into the part at a set speed and depth. Because the machine is guided by software, every hole lands in the same place — on the first part and on the ten-thousandth part.

Need holes in an exact pattern? A certain depth? A smooth finish for a press-fit? That is what a CNC drilling service is built for.

How Is It Different from Normal Drilling?

  • CNC drilling — program-controlled, repeatable, tight tolerance. Best for production.
  • Manual drilling — done by hand. Fine for rough work, but hard to repeat.
  • CNC drilling and milling — holes, slots and faces finished in one setup. Saves time and cost.

Where CNC Drilling Fits in the Process

CNC drilling is often one step inside a larger CNC machining job. We can drill, tap, countersink, bore and mill in a single operation.

This means fewer handling steps, tighter accuracy and a lower price for you. It also keeps your supply chain simple — one company, one quote, one delivery.

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Capabilities

CNC Drilling Capabilities at a Glance

Real numbers so you can spec your part with confidence.

FeatureCapability
ProcessCNC drilling, peck drilling, deep-hole drilling
Hole diameter0.5 mm – 50 mm
Position toleranceDown to ±0.02 mm
DepthUp to 10× the hole diameter
RepeatabilityConsistent across prototype and production runs
MaterialsAluminium, steel, stainless steel, brass, copper, plastics
Ideal forHole patterns, deep holes, bolt holes, dowel holes
VolumeOne-off prototypes to high-volume production
Lead time2–5 business days (rush service available)

Operations

CNC Drilling Operations We Offer

One machine, many hole-making solutions — picked to match your part.

Spot Drilling

A small starter dimple that keeps the drill from wandering. Improves position accuracy.

Through & Blind Drilling

Holes that pass through the part, or stop at a set depth inside the material.

Deep-Hole Drilling

Holes up to 10× diameter. We control chip removal and coolant to protect finish and tool life.

Countersinking & Counterboring

Conical or flat seats so screw heads sit flush with the surface.

Tapping (threaded holes)

Drill and thread in one setup — metric and imperial threads available.

Reaming & Boring

For holes that must be smooth and tight-fitting, such as bearing seats and dowel holes.

Materials

CNC Drilling Materials We Work With

From common stock to hard-to-machine alloys, we have the tooling and know-how.

Metals

Aluminium, steel, stainless steel, brass, copper, titanium, bronze, zinc.

Plastics

ABS, PC, POM (Delrin), PEEK, nylon (PA), PTFE, PMMA and more.

Other Materials

Castings, forgings, extrusions and customer-supplied blanks.

Not sure if your material will drill cleanly? Send us the grade and we will advise on tooling, coolant and finish — at no cost.

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How It Works

From CAD File to Finished Part in 4 Steps

A simple, transparent process that keeps you in control.

1

Upload Your Design

Send STEP, STP, IGES, DWG, DXF or a PDF drawing. The more detail, the better the quote.

2

Get a Quote in 24h

Free DFM review plus a clear, itemized price and lead time — no hidden fees.

3

We Manufacture

Your parts are drilled, milled and inspected in-house at our China factory.

4

Ship to Your Door

Global express shipping with tracking and full inspection reports.

Applications

CNC Drilling Solutions Across Industries

Trusted by buyers and engineers in demanding sectors worldwide.

Aerospace & Defence

Lightweight aluminium and titanium parts with critical hole patterns and traceable quality.

Automotive & EV

Brackets, housings and battery parts with repeatable hole locations for high-volume assembly.

Medical & Dental

Small, precise components in stainless steel and plastics, made under strict process control.

Electronics & Robotics

Mounting holes, sensor bodies and enclosures with fine tolerances.

Industrial Equipment

Jigs, fixtures, machine parts and replacement components, drilled and finished in one place.

Energy & Semiconductor

Deep-hole and close-tolerance work for valves, manifolds and specialised components.

Quality & Trust

Built on Experience, Backed by Verification

We earn trust through measured results — not marketing claims.

In-House Inspection

First-article checks, in-process measurement and final reports on request.

Experienced Team

Engineers and machinists with years of CNC drilling and machining know-how.

DFM Feedback

We flag thin walls, drill-depth limits and tolerance issues before cutting metal.

Confidentiality

NDAs on request. Your files and designs stay private and secure.

Factory-Direct

One company owns the process from programming to packing — no brokers in between.

Consistency

Same machines, same team, same checks for prototype and production volumes.

Why YiguProto

Your China CNC Drilling Supplier — Reliable, Fast, Direct

Why buyers and engineers choose YiguProto as their long-term manufacturing partner.

  • One-stop CNC machining company — drilling, milling, turning and finishing under one roof.
  • Factory-direct prices — you deal with the maker, not a trading company.
  • Scalable volumes — one part today, ten thousand next month, no re-quoting drama.
  • Fast response — real engineering answers, not auto-replies.
  • Global shipping — door-to-door delivery with tracking and documentation.

A Partner, Not Just a Supplier

We treat your project as our own. Our goal is to make your part right, on time and at a fair price — so you come back for the next one.

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FAQ

CNC Drilling — Frequently Asked Questions

Quick answers to the questions buyers ask us most.

Send your drawings or 3D files. Most quotes come back within a few hours on business days, never more than 24 hours.
Yes. All customer files and ideas are treated as confidential. We sign NDAs when needed.
Yes. Our engineers review your design and suggest changes that cut cost, improve quality, or speed up delivery.
For CNC drilling, we support one-off prototypes and full production runs. There is no strict MOQ.
We can make samples for your approval. Cost depends on the process, and it is credited back on a production order.
Typical lead time is 2–5 business days for CNC drilling, depending on quantity and complexity. Rush service is available.
Yes. We support one-off prototypes, small bridge runs, and full production volumes from the same process.
Aluminium, steel, stainless steel, brass, copper, titanium, plastics such as ABS, PEEK and nylon, plus castings and extrusions.
Yes. We offer first-article inspection, dimensional reports and material certificates on request.

Ready to Order CNC Drilling from a Trusted China Manufacturer?

Send your files and get a factory-direct quote within 24 hours — no obligation.

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