CNC Material Selector
Choose a better machining material before you request a quote. This tool compares common CNC metals and plastics for strength, weight, corrosion resistance, insulation, finish compatibility, and budget fit.
Best For
Early material screening
Compares
Aluminum, steel, brass, titanium, plastics
Next Step
Send your recommendation into RFQ
Tell us what the part needs
This is not a final engineering approval, but it is a fast way to narrow the best-fit materials before RFQ.
Top Match
Loading recommendation
We are comparing your requirements against common CNC metals and plastics.
Use the recommendation as a faster first filter
Material choice affects machining speed, finish options, part weight, corrosion performance, and final cost. The fastest workflow is usually: screen materials here, review the linked material page, then send your drawing to quote.
1. Filter
Start with function first: strength, corrosion, conductivity, insulation, wear, or heat.
2. Compare
Check why the top materials rank well and where their tradeoffs show up for machining and finishing.
3. Quote
Push the recommendation into RFQ so your engineering review starts with better material context.
Keep exploring by material family
Metal
Aluminum 6061-T6
The most balanced aluminum option for prototypes, fixtures, housings, and general CNC parts.
Metal
Aluminum 7075-T6
A high-strength aluminum alloy for structural parts where weight still matters.
Metal
Stainless Steel 304
A versatile stainless steel option for durable parts that need good corrosion resistance.
Metal
Stainless Steel 316L
A corrosion-focused stainless steel grade for humid, chemical, and marine environments.
Metal
Brass
A machinist-friendly metal with excellent cutting behavior and good electrical performance.
Metal
Titanium Grade 5
A premium option for very high strength, corrosion resistance, and heat performance at lower weight than steel.
Plastic
POM (Delrin/Acetal)
A go-to engineering plastic for dimensionally stable, low-friction machined parts.
Plastic
PEEK
A premium engineering plastic for chemical resistance, insulation, wear, and elevated temperatures.