High-Precision CNC Milling Services for Difficult Alloys

AXALLOY Precision is a Shenzhen-based CNC machining partner providing high-precision CNC milling for complex, high-value components made from difficult-to-machine alloys.

We support international engineering, procurement, and quality teams from prototype development through low-volume and repeat production, with strong process control, inspection evidence, and dependable communication.

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High-precision CNC milling of difficult alloy components

What We Do: High-Precision CNC Milling for Complex Parts

Our CNC milling capability is built for parts where geometry, tolerances, material behavior, and inspection requirements must be controlled together—not treated as separate steps.

Typical Applications

Aerospace and high-temperature hardware
Medical device components and precision interfaces
Semiconductor equipment parts (vacuum-compatible or clean requirements)
Energy, oil & gas, and marine corrosion-resistant parts
Robotics, automation, and precision industrial equipment

Best-Fit Project Types

Complex 3D contours, pockets, deep features, and multi-face machining
Thin walls and distortion-sensitive features
Tight GD&T / critical interfaces and datum relationships
Challenging holes, threads, and small internal radii
Programs being transferred from an unreliable supplier

Core CNC Milling Capabilities (3-Axis, 4-Axis, 5-Axis)

We provide 3-axis, 4-axis, and 5-axis CNC milling to reduce setups, improve feature relationships, and maintain accuracy on complex parts.

Supported Operations

Facing, contouring, pocketing
Drilling, tapping, boring, thread milling

Typical Parts We Mill

Housings, brackets, manifolds
Impellers, blades, plates
Complex structural components

CNC Milling Equipment Parameters

3-Axis

Max part: 1,000 × 600 × 600 mm

4-Axis

Max part: Ø500 × 800 mm

5-Axis

Max part: Ø500 × 400 mm

Spindle

Max speed: 20,000 rpm

Spindle taperBT40 / HSK-A63
Tool magazineUp to 60 tools
Positioning accuracy±0.005 mm
Repeatability±0.003 mm
Min. internal corner radiusR0.3 mm
Max table load800 kg

Standard Capability Overview

Comprehensive precision capabilities across tolerance, surface finish, feature limits, and lead time.

Production Volume

Prototype: 1–20 parts
Low-volume: 20–500 parts
Batch: 500–10,000+ parts
MOQ: 1 part

Dimensional Capability

Standard: ±0.010 mm
Precision: down to ±0.005 mm
Position: down to 0.010 mm
Flatness: down to 0.005 mm
Concentricity: down to 0.008 mm

Surface Finish

Standard machined: Ra 1.6 μm
Precision machined: Ra 0.8 μm
Ground finish: down to Ra 0.2 μm
EDM finish: down to Ra 0.8 μm

Feature Limits

Min. wall thickness: 0.5 mm
Min. hole diameter: Ø0.5 mm
Min. thread size: M1.0

Lead Time

Standard: 10–20 business days
Prototype: 5–10 business days
Expedited: available

Materials We Mill: Difficult Alloys and Specialty Metals

AXALLOY focuses on machining alloys that are prone to work hardening, tool wear, heat buildup, and distortion. Common materials include:

Nickel-Based Alloys

Inconel 718 / 625 (and 600/601/690/706/725/X-750)
Hastelloy C-276 / C-22 (also B-2, X)
Monel 400 / K-500
Haynes 188 / 230 / 282
Waspaloy, Nimonic, Rene alloys

Titanium & Stainless

Titanium: Grade 2 / 5 / 9 / 12 / 23
Stainless: 316L, 304, 321, 410, 420, 440C
Precipitation-hardening: 17-4 PH / 15-5 PH
Duplex 2205, Super Duplex 2507

Cobalt & High-Performance

Cobalt Chrome, Stellite, L605, MP35N
A286, Nitronic 50/60
Nitinol, molybdenum, tungsten
Copper-nickel alloys

Supporting Processes for Complete Delivery

To help you consolidate supply chain steps, we support special processes and finishing based on part requirements:

EDM (wire & sinker)
Precision grinding
Heat treatment
Passivation, coating
Deburring, marking, cleaning
Assembly support (project-dependent)

Engineering Support (DFM + Process Planning)

We are a strong fit for teams that value manufacturability and predictable outcomes. Before defining the machining route, we evaluate:

Material behavior and risk points
Geometry, tolerances, and critical interfaces
Surface requirements and cosmetic/functional priorities
Inspection strategy and measurement plan
Quantity and repeatability needs
Fixture planning and process development

Deliverable-Focused Communication

Clear questions on critical features and datums
DFM feedback targeting yield, stability, and inspection success
Setup reduction planning (including 4/5-axis strategy)

Inspection, Traceability, and Quality Documentation

AXALLOY supports customers who require evidence-based quality control, export-ready records, and controlled documentation.

Inspection Capabilities

CMM range700 × 1,000 × 600 mm
CMM accuracyup to 1.8 + L/300 μm
Optical measurement accuracy±0.002 mm
Surface roughness measurementRa 0.05–40 μm
Hardness testingRockwell, Brinell, Vickers
Inspection roomTemperature-controlled
Inspection typesFAI, in-process, final

Documentation Available

Material Test Report / Mill Test Certificate
Certificate of Conformance (CoC)
First Article Inspection Report (FAI)
Ballooned drawing report
Full dimensional inspection report
Surface roughness report
Heat treatment and coating certificates
Material and lot traceability
Special process records
Inspection photos (upon request)
Custom quality documentation (upon request)

Who This Service Is Best For

Best-Fit Teams

Engineering: needs technical feedback and a stable production route
Procurement: evaluates delivery performance, responsiveness, and total supply risk
Quality: requires traceability, inspection evidence, and controlled records

Not an Ideal Fit

Commodity parts purchased only on lowest unit price
Incomplete technical requirements or unclear acceptance criteria
Unverified certification demands or unauthorized component reproduction

RFQ Checklist

For the fastest and most accurate response, include the following with your inquiry:

Required Information

2D drawing (PDF) with GD&T and key notes
3D model (STEP/STP preferred)
Material grade and any permitted alternates
Quantity and expected repeat demand
Required surface finish, heat treat, passivation/coating
Required documentation (FAI, full inspection, traceability, etc.)
Target delivery date and special packaging needs

Supported File Formats

3D CAD

STEP/STP, IGES/IGS, X_T, X_B, SLDPRT, SAT

2D Drawings

PDF, DWG, DXF

Images

JPG, PNG, TIFF

Upload Limits

Max: 500 MB per RFQ
Units: mm or inches

Request a Quote: High-Precision CNC Milling

If your project involves difficult alloys, tight tolerances, and documentation-driven quality requirements, AXALLOY Precision can support you from prototype to repeat production.