CNC Milling Services for Precision Parts
JADE-CNC provides CNC milling services for custom metal and plastic parts, including prototypes, low-volume and mass production, precision milled components, complex features, finishing, and inspection support.
- 1 pcs is accepted for order!
- Tight Tolerances: ±0.005mm
- Best delivery day within 3 day
- 30+ Surface Finishes Options
Precision Custom CNC Milling Services in China
Overview: What is CNC Milling?
CNC milling removes material from a solid blank to create flat surfaces, pockets, slots, holes, threads, contours, and complex machined features. It is commonly used for housings, plates, brackets, fixtures, covers, heat sinks, and precision mechanical components.
For a successful milling project, the key questions are not only machine accuracy, but also tool access, internal corner radius, wall stability, material behavior, surface finish, and inspection method.
JADE-CNC CNC Milling Services for Precision Parts
As a CNC machining manufacturer in China, JADE-CNC provides custom CNC milled parts by your drawings, materials, tolerances, and surface finish requirements. Our prodution team supports prototype validation, small-batch and mass production, with repeatable quality for engineering products.
JADE-CNC Capabilities for CNC Milling
As a CNC milling factory, JADE-CNC supports 3 axis CNC milling, 4 axis CNC milling, and 5 axis milling work for mini or large cnc components, complex milling parts, precision milled parts, aluminum milling parts, and other custom machined parts. For tight tolerance milling, our engineers review datum references, feature depth, tool access, material behavior, surface finish, and inspection requirements before confirming the machining route.
3-Axis CNC Milling
For plates, brackets, housings, pockets, slots, drilled holes, threaded holes, and general milled features.
4-Axis CNC Milling
For parts that need multi-side access, indexed features, better setup control, or reduced repositioning.
5-Axis CNC Milling
For complex geometry, angled surfaces, difficult tool access, and features that need fewer setups.
What JADE-CNC Reviews for CNC Milled Parts
CNC milling projects often depend on feature access, tool reach, wall stability, tolerance risk, and surface finish planning. JADE-CNC reviews these details before machining so the process route matches the part geometry.
Pockets, Slots & Internal Corners
JADE-CNC reviews whether the cutter can reach internal features and whether corner radii match practical tool selection.
Holes, Threads & Bores
Threaded holes, precision bores, and hole patterns are checked for depth, access, tolerance, and inspection method.
Thin Walls & Small Features
Thin walls and small details are reviewed for machining stability, deformation risk, fixture support, and burr control.
Multi-Side and 5-Axis Features
Complex multi-side features are checked to decide whether 3-axis, 4-axis, or 5-axis machining is the better route.
Tolerance and Inspection Points
Critical dimensions and GD&T callouts are separated from general features so inspection can focus on functional risk.
Finish, Burrs and Visible Faces
Surface roughness, tool marks, deburring, and cosmetic surfaces are reviewed before finishing and final inspection.
Send drawings with available material, tolerance, feature notes, surface finish, inspection, quantity, and delivery requirements. JADE-CNC will review the CNC milling route before quotation.
Request CNC Milling QuoteThe Advantages Of CNC Milling Services
CNC milling is useful when a part requires accurate flat surfaces, pockets, slots, holes, threads, contours, and repeatable dimensional control. It also supports flexible prototype and low-volume production without dedicated molds.
Accurate Features
Suitable for pockets, holes, slots, threaded features, mating faces, and precision surfaces.
Flexible Production
Useful for prototypes, small batches, low-volume production, and design changes.
Material Options
Supports aluminum, stainless steel, copper alloys, engineering plastics, and selected special materials.
Finish Compatibility
Milled parts can be reviewed for anodizing, polishing, passivation, plating, bead blasting, and other finishes.
Ease of Automation
Well-suited for automated processes, improving efficiency in production.
CNC Milling Tolerances
JADE-CNC reviews milling tolerances by material, geometry, feature depth, wall thickness, finish, and inspection method. General tolerance expectations can reference ISO 2768, while tighter requirements should be confirmed during drawing review.
|
Type |
Tolerance |
|---|---|
| Standard Tolerances | Metals: ISO 2768-f / Plastics: ISO 2768-m |
| Maximum Part Size | 157.5 * 59.1 * 23.6 inch |
| Minimum Part Size | 0.1×0.1 inch |
| Minimum Feature Size | Φ 0.00197 inch |
| Linear Dimension | +/- 0.001 inch |
| Hole Diameters(Not Reamed) | +/- 0.001 inch |
| Shaft Diameters | +/- 0.001 inch |
CNC Milling Materials
JADE-CNC machines common metals and engineering plastics for custom CNC milled parts. Share your drawing, material, tolerance, finish, and quantity requirements so our team can review machinability and production risks before quotation.
Metals
Aluminum, stainless steel, steel, brass, copper, bronze, titanium, magnesium, tool steel, and selected special alloys.
Plastics
ABS, POM, PA nylon, PTFE, PEEK, PMMA, PC, HDPE, epoxy board, and other engineering plastics.
Special Materials
Carbon fiber, ceramic materials, superalloys, Kovar, and application-specific materials can be reviewed based on drawing requirements.
Different Surface Finish Types We Offer
JADE-CNC provides 30+ surface finish options to improve corrosion resistance, appearance, and functional performance for CNC milled parts. Below are commonly used finish types.
Anodizing
As Machined
Bead Blasting
Chromating
Electroplating
Heat Treating
Laser Engraving
Passivation
Polishing
Sandblasting
Smooth
Tumbling
Why Customers Work with JADE-CNC
Clear Cost Drivers
Machining cost is reviewed around material, geometry, tolerance, setup, finishing, and quantity.
one-stop solution Support
JADE-CNC supports single prototypes, small batches, and repeat production based on project needs.
Global Delivery
Finished parts can be shipped by international express or agreed logistics after inspection.
Experienced Engineering Review
Drawings, materials, tolerances, finish, and inspection requirements are reviewed before quotation.
Inspection Before Shipment
Critical features and quality records are checked according to the agreed inspection scope.
How to Start a CNC Milling Project
We manufacture metal and plastic CNC milled parts to match your drawings, performance requirements, and project schedule.
Send CAD files
Send STEP, IGES, X_T, 2D drawings, material, tolerance, quantity, and finish requirements.
Milling Review
JADE-CNC reviews tool access, feature depth, wall thickness, tolerance risk, and inspection needs.
Quote Confirmation
The quotation is prepared based on material, complexity, machining time, finishing, inspection, and delivery.
Machining and Delivery
Parts are milled, finished, inspected, packed, and shipped according to confirmed requirements.
Get Your Custom CNC Milling Quotation Today!
From concept to final production, JADE-CNC supports custom CNC milling projects with engineering review, precision machining, finishing, inspection, and delivery coordination. Share your drawings, material, quantity, tolerance, and finish requirements, and our team will prepare a practical quote for your CNC milled parts.
FAQ About CNC Milling Services
CNC milling is suitable for plates, housings, brackets, fixtures, covers, heat sinks, pockets, slots, threaded holes, flat surfaces, and complex machined features.
STEP, IGES, X_T, 3D CAD files, 2D drawings, material grade, quantity, tolerance notes, surface finish requirements, and inspection needs are helpful.
Yes, but tolerance feasibility depends on material, geometry, wall thickness, feature depth, tool access, fixturing, surface finish, and inspection method.
Common CNC milling materials include aluminum, stainless steel, steel, brass, copper, bronze, titanium, POM, nylon, PTFE, PEEK, PMMA, PC, and other engineering materials.
Yes. JADE-CNC supports prototype CNC milling, small batches, low-volume production, and repeat production based on drawing and project requirements.
Yes, but internal corner radius depends on cutter diameter and tool access. Sharp internal corners may require EDM or design adjustment.
Thin walls are reviewed for vibration, deformation, clamping support, material stress, and burr control before the milling route is confirmed.
Yes. CNC milled parts can be reviewed for anodizing, passivation, polishing, bead blasting, plating, painting, powder coating, and other finishing options.
Inspection may include dimensional checks, CMM inspection, thread gauges, surface finish checks, flatness review, and first article inspection when required.
For new clients, our standard terms are “50% deposit to start production, 50% balance before shipment.” We accept international payment methods like Wire Transfer and PayPal. Terms can be discussed for established, long-term partnerships.