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.
Browse Materials We Machine
Metals and engineering plastics with grades, tolerances, and finishing notes.
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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