Custom CNC Milling Parts
– Find Your Part Type & Get a Quick Quote –
We manufacture precision-machined components from engineering drawings. No minimum order, rapid prototyping to production.
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Common Types of JST CNC Milling Parts
| Part Type | Typical Materials | Common Features |
|---|---|---|
| Brackets & Mounts | Aluminum 6061/7075 | Lightweight, high stiffness |
| Housings & Enclosures | Aluminum, Stainless Steel | Sealed surfaces, heat dissipation ribs |
| Valve Bodies & Fittings | Stainless Steel 303/316, Brass | Internal fluid channels, threaded ports |
| Gears & Transmission Parts | Steel, Nylon, POM | Precise tooth profile, low backlash |
| Custom Complex Shapes | Any machinable material | Thin walls, deep holes, freeform surfaces |
CNC Milling Parts – Which Features Can JST Machine?
From micro features to complex geometries — here’s what we handle daily.
Thin Walls (≤1mm)
High-speed milling + support fixture, deformation controlled.
Deep Holes (L/D > 10)
Gun drilling or pecking cycle, straightness guaranteed.
Complex Surfaces
4/5-axis simultaneous finishing, scallop height <0.005mm.
Tiny Threads (M1.6 or smaller)
Thread milling or precision tapping, depth controlled.
Tight Tolerances (±0.01mm or better)
CMM full inspection, SPC monitoring during production.
Mirror Polished Surfaces
Multi-stage polishing for Ra ≤0.1µm finish requirements.
Material Selection Guide for CNC Milling Parts
Choosing the right material balances mechanical performance, cost, and machinability. Below is a quick guide to our most-used CNC milling materials.
Aluminium
6061, 7075
Lightweight, excellent machinability, good heat dissipation. Ideal for housings, brackets, heat sinks.
Rostfreier Stahl
303, 304, 316
High strength, corrosion resistant. Suitable for medical, food, marine parts.
Engineering Plastics
PEEK, Delrin, POM
Insulating, wear-resistant, self-lubricating. Common for gears, bearing retainers.
Other Materials
Ti Gr.5, C36000
Titanium (high strength-to-weight ratio), Brass (conductive, easy to machine). Available upon request.
We can machine all above materials and more — please upload your drawing for confirmation.
Typical Tolerances & Surface Finishes
Toleranzen
Linear dimensions
±0.01mm ~ ±0.1mm (as per drawing)
Geometrische Toleranzen
Flatness 0.01/100mm, Coaxiality 0.02mm
Acceptance standard
ISO 2768-mK or tighter standards
Surface Finishes
- As-machined / Bead blasting / Brushed
- Anodizing (clear, black, colors)
- Passivation / Zinc plating
- Polishing / Mirror finish
Why Choose JST for Your CNC Milling Parts?
Free DFM Analysis in 24h
Upload your drawing and receive Design for Manufacturing feedback – no obligation, no hidden fees.
Prototype to Production
Start from 1 piece for functional testing, scale up to high-volume runs with consistent quality.
CMM Inspection + Full Report
Every critical dimension is verified. We provide material certs, inspection reports, and NDA protection.
Don't See Your Exact Part Type?
Our engineers will analyze your drawing and recommend the best process, material, and tolerance — free of charge.
Hilfe-Center
Common questions answered, plus a fast track to your custom quote.
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