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Engineering Export · HS 8466.93

CNC Milling Parts Supplier from India — 3, 4 & 5-Axis

Precision CNC milled components on 3, 4 and 5-axis machining centres, up to 1500mm working envelope and ±0.005mm on functional features. Full dimensional inspection report on every first article.

IATF 16949 ISO 9001 AS9100D PPAP Level 3 CMM Inspected DXF/STEP Accepted
CNC Milling Parts Export from India export from India
At a Glance
±0.005mm
Achievable tolerance
3, 4 & 5-axis
Configurations
1500mm
Max envelope
FAI
Every first article

3, 4 or 5-Axis — Let the Geometry Decide

More axes cost more per hour, but they can cut total cost by eliminating setups. The right configuration is whatever machines your part in the fewest setups with acceptable accuracy.

Axis Configurations
ConfigurationCapabilityBest For
3-axisFeatures from one orientation per setupPlates, brackets, simple housings
4-axisAdds rotation around one axisParts with features on several sides, cams
3+2 (positional 5-axis)Tilts part to fixed anglesAngled holes, multi-face parts in one setup
Simultaneous 5-axisContinuous multi-axis motionImpellers, turbine blades, complex 3D surfaces

Each re-fixturing introduces a chance of datum error between features. A part needing four setups on a 3-axis machine may be cheaper and more accurate done in one setup on a 5-axis.

Tolerances and Finish

Specify tight tolerances only on functional features. General tolerancing to ISO 2768-m on non-critical dimensions keeps cost down without affecting fit or function.

Capability by Grade
GradeDimensional ToleranceSurface Finish
Standard±0.05mmRa 3.2 µm
Precision±0.01mmRa 1.6 µm
High precision±0.005mmRa 0.8 µm
Flatness0.01–0.02mm per 100mm—

Thin walls, deep pockets and long unsupported features all limit achievable tolerance regardless of machine. These are flagged at DFM review rather than discovered at inspection.

Materials and Capability

Standard Capability
ParameterCapability
Working envelopeUp to 1500 × 800 × 700mm
Aluminium6061-T6, 6082, 7075-T651, 2024, 5083
SteelsMild steel, EN8, EN24, 4140, tool steels
Stainless303, 304, 316, 316L, 17-4PH
ExoticTitanium Grade 5, Inconel 625 / 718
PlasticsPEEK, Delrin, Nylon, polycarbonate
Secondary opsAnodising, plating, powder coating, heat treatment
InspectionCMM, height gauge, surface roughness tester

On specifications: the capabilities above reflect standard specifications for this process. Achievable tolerances and finishes for your part depend on geometry, material and quantity, and are confirmed at quotation after drawing review. Every first article ships with a full dimensional inspection report against your drawing, plus Material Test Certificates for the raw material. We do not ask buyers to take a capability claim on trust.

Inspection & Documentation

Every first article is measured against your drawing before series production begins.

Dimensional Inspection Report
Every critical dimension measured against your drawing
Material Test Certificate
Raw material chemistry and mechanicals, heat traceable
First Article Inspection
AS9102 format available for aerospace
PPAP Documentation
Level 3 available for automotive
Certificate of Conformity
Confirms parts meet drawing and specification
Invoice, Packing List, BL
Full original export set

HS Code depends on material and application — typically 7326.90 (steel), 7616.99 (aluminium), or 8466 / 8483 for machine and transmission parts.

How Ordering Works

1
Send your drawing
PDF or STEP, material, tolerances, finish, quantity.
2
DFM review & quote
Manufacturability checked, FOB or CIF quote within 24 hours.
3
First article & report
Sample parts with full dimensional inspection report.
4
Approve & produce
Series production only after you approve the first article.

MOQ is discussed at order stage based on part complexity and material. Payment by advance TT, LC at sight, or DP/DA case by case.

Buyer Questions

Do I need 5-axis machining for my part?

Only if it needs features on multiple faces or complex 3D surfaces that would otherwise take several setups. 5-axis costs more per hour, but eliminating setups can reduce total cost and remove datum errors between features. For plates, brackets and simple housings, 3-axis is correct and cheaper.

What tolerance can CNC milling achieve?

Standard work holds plus or minus 0.05mm, precision work 0.01mm, and high-precision milling 0.005mm on suitable geometry. Thin walls, deep pockets and long unsupported features limit achievable tolerance regardless of machine, so these are reviewed at quotation rather than discovered at inspection.

Why do setups matter for accuracy?

Every time a part is re-fixtured, there is a chance of small positional error between features machined in different setups. A part that needs four setups on a 3-axis machine may be both cheaper and more accurate machined in one setup on a 5-axis, because every feature references the same datum.

What is the maximum part size?

Standard capability runs up to a working envelope of about 1500 by 800 by 700mm. Larger parts can be accommodated on request. Share the part dimensions at enquiry stage so the right machine is allocated.

Can secondary finishing be included?

Yes. Anodising, electroplating, powder coating and heat treatment can be arranged as part of the order, so parts arrive finished and ready to assemble. Specify the finish at quotation, since some finishes add thickness that affects tight tolerances.

How are milled parts inspected?

Every first article is measured on a CMM against your drawing, with a full dimensional inspection report supplied before series production. Material Test Certificates cover the raw material, and AS9102 first article format and PPAP Level 3 are available for aerospace and automotive programmes.

Ready to Source?

Get a Quote for CNC Milling Parts Export from India

Technical drawings welcome. FOB or CIF pricing within 24 hours. Third-party inspection available.

Related Products

On This Page
Specifications
ProcessCNC Milling 3 to 5 axis
Machine TypesVMC and HMC
Tolerance+/-0.01mm standard
Surface FinishRa 0.4 to Ra 6.3 um
Max Part Size1500 x 800 x 700mm
MaterialsAll machineable metals and engineering plastics
File FormatsDXF, DWG, STEP, IGES, STL
Lead Time15-25 days first article
MOQDiscussed at order stage
InspectionCMM, surface roughness
Get a Quote in 24 Hours

Technical drawings welcome. FOB or CIF pricing, samples available.

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Certifications
IATF 16949 ISO 9001 AS9100D PPAP Level 3 CMM Inspected DXF/STEP Accepted
HS Code
8466.93
India Origin
Export Ready