
CNC Milling Services for Custom Metal and Plastic Parts
Get custom CNC milling services for metal and plastic parts, from prototype validation to repeat batch production. We support 3-axis, 4-axis, and 5-axis CNC milling for complex custom CNC milled parts. Upload your CAD files and drawings for free DFM feedback, tolerance review, and a detailed CNC milling quote within 24 hours.












Custom CNC Milling Capabilities
Choose the right CNC milling service based on part geometry, tolerance requirements, setup complexity, and production volume. We support custom CNC milling parts ranging from simple plates and brackets to multi-sided and complex components.
Custom CNC Milling for Prototype and Batch Production
From prototype validation to repeat batch delivery, ApexBatch supports custom CNC milling services with DFM review, tolerance control, material coordination, surface finishing, inspection, and flexible production planning.
CNC Milling Tolerance Capabilities
Across 3-axis, 4-axis, and 5-axis CNC milling, ApexBatch reviews drawings, materials, geometry, critical dimensions, and inspection requirements before confirming tolerances. General dimensional tolerances comply with ISO 2768 international standards, while critical dimensions can achieve precision tolerances down to ±0.01 mm.
Need to confirm whether your tolerance or part size is achievable? Upload your CAD files and drawings for engineering review before production.
Upload CAD FilesRepresentative CNC Milled Parts We Support
We manufacture custom CNC milling parts for aerospace, medical equipment, automotive, electronics, automation, and industrial applications, with material selection, tolerance control, surface finishing, and inspection support.
CNC Milling Workshop & Inspection Facilities
See the CNC milling, inspection, finishing, and delivery support behind ApexBatch's high-precision manufacturing workflow.
CNC Milling Materials for Custom Parts
Choose materials based on strength, weight, corrosion resistance, thermal performance, machinability, and operating conditions. Our engineers can recommend practical options that balance function, tolerance stability, finish compatibility, and cost.
Aluminum
Lightweight, machinable, and corrosion-resistant. A common choice for CNC milled parts that require strength, lower weight, and finishing flexibility.
Best For
Available Grades
Key Properties
- Lightweight
- Good machinability
- Easy to anodize
Not sure which material fits your application? Upload your CAD files for material and production advice before quoting.
Get Material AdviceSurface Finishes for CNC Milled Parts
Improve appearance, corrosion resistance, wear resistance, and part identification with surface finishing options matched to your material, tolerance requirements, and application. ApexBatch can recommend suitable finishes after reviewing your CAD files and drawings. Learn more.
Anodizing
Finish
Matte / Glossy
Lead Time Impact
+1-2 days
Compatible Materials: Aluminum
Improves corrosion resistance and provides color options for functional or cosmetic CNC milled aluminum parts.
Hard Coat Anodizing
Finish
Matte / Dark Gray
Lead Time Impact
+2-3 days
Compatible Materials: Aluminum
Type III anodizing creates a thicker, harder oxide layer for aluminum parts that require wear resistance and durability.
Bead Blasting
Finish
Matte / Satin
Lead Time Impact
+1-2 days
Compatible Materials: Aluminum, Stainless Steel
Creates a uniform matte texture, helps reduce visible tool marks, and prepares surfaces for anodizing, painting, or coating.
Passivation
Finish
No visible change
Lead Time Impact
+1-2 days
Compatible Materials: Stainless Steel
Removes free iron and surface contaminants to improve corrosion resistance. Available to ASTM A967 or customer-specified requirements where applicable.
Nickel/Chrome Plating
Finish
Metallic / Glossy
Lead Time Impact
+3-5 days
Compatible Materials: Steel, Aluminum, Brass
Metallic coatings used to improve wear resistance, corrosion protection, conductivity, or decorative appearance.
Powder Coating
Finish
Matte / Glossy
Lead Time Impact
+2-3 days
Compatible Materials: Aluminum, Steel
Adds durable colored protection for CNC milled housings, brackets, panels, and visible components.
Design Guidelines for CNC Milling
Small design details such as internal radii, threaded holes, wall thickness, engraving, and hole depth can affect CNC milling cost, tolerance stability, and production risk. ApexBatch, as a CNC machining manufacturer, reviews CAD files and drawings before production to identify manufacturability issues early.
Why Engineers Choose ApexBatch
Engineering-Led DFM Review
Before production, ApexBatch reviews CAD files, drawings, materials, tolerances, and application requirements to identify machining risks, reduce revision cycles, and prepare a reliable CNC milling quote.
Turn complex designs into precise, production-ready CNC milled parts with ApexBatch.
Contact Our EngineersFrom CAD to Batch Delivery Process
ApexBatch provides custom CNC milling services from engineering review and production planning to machining, finishing, inspection, and repeat batch delivery.
Upload CAD file
Send your CAD files, drawings, material, quantity, and finish requirements.
Engineering Review
We review manufacturability, tolerance risks, materials, and provide a detailed quote.
CNC Milling & Finishing
Parts are CNC milled and finished based on geometry, material, and application needs.
Inspection & Delivery
Critical dimensions and finish quality are checked before packaging and delivery.
Your Questions, Our Expertise.
Find answers to common questions about CNC milling quotes, DFM review, materials, tolerances, surface finishes, inspection, and delivery.

Ready to Start Your CNC Milling Project?
Upload your CAD files and technical drawings. ApexBatch will conduct a thorough review and deliver a full DFM analysis together with a detailed quotation.






















