CNC Machining Materials Guide
Select the right material for your application — or send us your design and our engineers will recommend the optimal grade, finishing, and process.
Aluminum CNC Machining
6061, 7075, 6082 — lightweight, excellent machinability. Most commonly machined material.
- Excellent machinability
- Anodizing & Alodine
- Aerospace 7075 available
Stainless Steel CNC Machining
303, 304, 316, 17-4PH — corrosion-resistant for medical, food, and marine.
- Passivation standard
- Medical 316L available
- 17-4PH heat treat
Titanium CNC Machining
Grade 2 & Grade 5 (Ti-6Al-4V) — biocompatible, high strength-to-weight ratio.
- Aerospace & medical grade
- Biocompatible ELI available
- Lightweight structures
Brass CNC Machining
C360, C260 — excellent machinability for fittings, valves, and decorative parts.
- Fastest machinability
- Decorative finishes
- Plating available
Copper CNC Machining
C110, C101 — high thermal and electrical conductivity for heat sinks and electrical parts.
- Thermal management parts
- Electrical conductivity
- EDM for fine features
Plastic CNC Machining
PEEK, Delrin, Nylon, PTFE — lightweight, chemical-resistant engineering polymers.
- PEEK & Ultem available
- No tooling required
- Lightweight alternatives
Not Sure Which Material to Choose?
Upload your CAD and tell us your application requirements — temperature, corrosion, strength, weight. Our engineers provide free material recommendations with every quote.
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