How Much Does CNC Machining Cost Per Part? Price Ranges by Material, Quantity & Complexity (2026)
How Much Does CNC Machining Cost Per Part? Complete Price Guide 2026
Quick answer: CNC machining costs range from $5 for simple turned aluminum spacers to $500+ for complex 5-axis titanium aerospace parts. For a typical prototype aluminum bracket (50x50x20mm), expect $30–80 per part at quantity 1, dropping to $8–20 at quantity 100. Material choice, tolerance requirements, and surface finish are the three biggest cost drivers beyond quantity.
CNC Part Cost by Complexity Level (2026 Benchmarks)
| Complexity | Example Part | Qty 1 | Qty 10 | Qty 100 | Qty 1000 |
|---|---|---|---|---|---|
| Simple (1 setup) | Spacer, washer, pin | $15–40 | $5–15 | $3–8 | $1–4 |
| Moderate (2–3 setups) | Bracket, housing, flange | $40–120 | $15–40 | $8–20 | $5–12 |
| Complex (4+ setups) | Manifold, valve body | $100–300 | $40–100 | $20–50 | $12–30 |
| 5-Axis / Multi-face | Impeller, aerospace mount | $200–600 | $80–200 | $40–100 | $25–60 |
Cost Multiplier by Material (vs Aluminum 6061 Baseline)
| Material | Cost Multiplier | Why |
|---|---|---|
| Aluminum 6061 | 1.0x (baseline) | Easy to machine, cheap material, wide availability |
| Aluminum 7075 | 1.2–1.5x | Slightly harder, higher material cost |
| Stainless 304 | 1.5–2.0x | Harder to cut, slower feeds, more tool wear |
| Stainless 316 | 2.0–2.5x | Work-hardens, slow machining, expensive material |
| Carbon Steel 1045 | 1.1–1.3x | Good machinability, cheap material |
| Titanium Ti-6Al-4V | 3.0–5.0x | Very slow cutting, extreme tool wear, costly material |
| Brass C360 | 1.0–1.2x | Excellent machinability, moderate material cost |
| Delrin / POM | 0.8–1.0x | Easy to machine, affordable material |
| PEEK | 4.0–8.0x | Extremely expensive material, moderate machinability |
Tolerance Cost Impact: How Tight Specs Affect Price
| Tolerance Range | Cost Impact | When to Use |
|---|---|---|
| ±0.1mm (loose) | Baseline | Non-critical dimensions, clearance holes |
| ±0.05mm (standard) | +0–10% | General mechanical parts |
| ±0.02mm (moderate) | +15–30% | Fits, locating features |
| ±0.01mm (tight) | +30–60% | Bearing seats, precision fits |
| ±0.005mm (very tight) | +60–120% | Only when absolutely necessary |
Real Part Cost Examples (Q1 2026)
| Part | Material | Size (mm) | Qty 1 | Qty 50 | Qty 500 |
|---|---|---|---|---|---|
| Motor mount plate | Al 6061 | 100x80x10 | $45 | $18 | $9 |
| Shaft sleeve | SS 304 | Ø30×50 | $55 | $22 | $12 |
| Heat sink | Copper C110 | 60x60x15 | $70 | $35 | $20 |
| Gear blank | 4140 Steel | Ø80×25 | $65 | $28 | $15 |
| Optical mount | Al 7075 | 40x40x30 | $85 | $32 | $16 |
| Valve body | SS 316 | 50x50x40 | $120 | $55 | $30 |
| Drone arm | Ti-6Al-4V | 120x30x15 | $180 | $85 | $50 |
How to Estimate CNC Part Cost Without a Quote
Formula: Base Rate × Material Multiplier × Complexity Factor × (1 + Tolerance Premium) ÷ Quantity Factor
- Base rate: $30–60/hr for 3-axis, $50–90/hr for 5-axis (China FOB 2026)
- Material multiplier: 1.0 (aluminum) to 5.0 (titanium) — see table above
- Complexity factor: 0.5 (simple) to 3.0 (5-axis complex)
- Tolerance premium: 0% (standard) to 120% (±0.005mm)
- Quantity factor: ~0.7x at 10 pcs, ~0.4x at 100 pcs, ~0.25x at 1000 pcs
Example calculation: Aluminum bracket, 3-axis, 50 pcs, standard tolerance → $40/hr × 1.0 × 1.0 × 1.0 × 0.5 (quantity factor for 50 pcs) × 0.5 hrs machining time ≈ $10 per part
More CNC Cost & Pricing Guides
- CNC Machining Cost Comparison 2026: China vs USA vs Europe | Hourly Rates & Part Pricing
- How to Reduce CNC Machining Cost: 15 Proven Strategies with Real Savings Data (2026)
- How to Read a CNC Quote: Setup Fees, Material Costs, and 7 Hidden Charges Explained (2026)
CNC Precision Tech — China CNC machining sourcing and export support partner.
CNC Machining Cost Formula Buyers Can Use
A practical CNC quote is usually built from material cost + programming + setup + machine time + tooling risk + finishing + inspection + packaging + shipping. Quantity changes the price because programming and setup are spread across more parts, while material, machining time, finishing, and inspection still scale with each unit.
| Cost Driver | What Increases It | How Buyers Reduce It |
|---|---|---|
| Material | Large stock size, titanium, stainless 316, PEEK, special certificates | Allow equivalent grades, standard stock sizes, and clear material cert requirements |
| Setup and programming | Many faces, tight datum control, complex toolpaths | Combine features logically, mark only critical dimensions, avoid unnecessary tight tolerances |
| Machine time | Deep pockets, thin walls, hard materials, small cutters | Increase corner radii, reduce depth where possible, use manufacturable wall thickness |
| Finishing | Cosmetic anodizing, polishing, plating, masking, color matching | Separate cosmetic from non-cosmetic surfaces and provide finish samples when needed |
| Inspection | CMM reports, FAI, 100% inspection, complex GD&T | Specify which features need formal reporting and which can use standard inspection |
| Shipping | Urgent air freight, heavy parts, DDP service, special packaging | Share target delivery date early and confirm whether FOB, CIF, or DDP is required |
Example RFQ Scenarios and What Changes the Price
| RFQ Scenario | Likely Quote Sensitivity | Buyer Tip |
|---|---|---|
| 1 aluminum prototype housing, bead blasted and anodized | Setup, finish minimum charge, and cosmetic handling drive cost | Ask for as-machined and anodized options if function matters more than appearance |
| 100 stainless steel shafts with bearing fits | Turning time, concentricity, and inspection frequency drive cost | Call out bearing surfaces clearly and avoid tight tolerance on non-functional lengths |
| 20 titanium brackets with multiple angled holes | Material, tool wear, and multi-axis setup dominate | Confirm whether 3+2 machining is acceptable instead of full simultaneous 5-axis |
| 500 plastic fixtures for production support | Material stability, batch consistency, and packaging drive risk | Specify temperature exposure and whether Delrin, nylon, or PEEK is truly required |
What to Include to Get a More Accurate Price
- 3D CAD file plus 2D drawing if tolerances matter.
- Material grade, quantity, surface finish, and target delivery date.
- Critical dimensions, threads, inserts, cosmetic surfaces, and inspection requirements.
- Expected repeat quantity so setup and fixture choices can be quoted realistically.
- Shipping country and preferred trade term such as FOB, CIF, or DDP.
For a real price, send drawings through the CNC RFQ page. CNC Precision Tech reviews process, material, tolerance, finishing, inspection, and export requirements before quoting.