At A Glance
- Custom aluminum extrusions designed for precise, application-specific performance
- Ideal for engineers needing tight tolerances, complex geometry, or miniature profiles
- Supports projects from early design through full production
- Manufactured in the U.S. with 35+ years of experience
- PPE specializes in profiles most extrusion companies can’t produce
What Is a Custom Aluminum Extrusion?
Aluminum extrusion is a manufacturing process that forces heated aluminum through a shaped die to create a continuous profile with a consistent cross-section. Custom extrusions take that process further: engineering the die specifically around your application’s requirements for shape, strength, weight, and precision.
Unlike standard off-the-shelf profiles, custom extrusions are designed for your exact specifications. That means tighter tolerances, more complex geometry, and a profile that performs the way your application specifically requires.
PPE specializes in custom miniature aluminum extrusions: small, complex profiles that most manufacturers won’t attempt or cannot consistently produce.
| Feature | Standard Extrusions | Custom Extrusions (PPE) |
|---|---|---|
| Shape | Predefined | Designed for your application |
| Tolerances | Commercial standard | Up to 2x tighter |
| Geometry | Limited | Complex and multi-functional |
| Performance | General use | Application-specific |
| Optimization | Minimal | Engineered for strength, weight, and fit |
When Do You Need a Custom Aluminum Extrusion?
You need a custom aluminum extrusion when standard shapes cannot meet your geometry, tolerance, or performance requirements.
Your application requires a specific cross-section
Standard profiles don’t match your design requirements for fit, function, or integration. See our Aluminum Extrusion Design Guide
Tight tolerances are non-negotiable
Your application demands dimensional precision that commercial-grade extrusions can’t reliably deliver.
Weight, strength, or geometry are critical
You need a profile engineered for your specific load, weight, or environmental requirements.
You’re consolidating parts
A custom extrusion can combine multiple components into a single profile, reducing assembly complexity and cost.
You need a long-term manufacturing partner
You want a supplier who understands your design intent and can support you from prototype through production at scale.
PPE’S CUSTOM EXTRUSION CAPABILITIES
What Are PPE’s Custom Aluminum Extrusion Capabilities?
Our capabilities are purpose-built for small, precise, and high-performance aluminum extrusion profiles.
Aluminum Alloys
- 6061, 6063, 3003,1100 regularly produced.
- 2024 and 7075 are available for select solid shapes.
- Additional alloys available upon request.
Size Capabilities
- Up to 4″ circle size for solid shapes.
- Up to 2.5” circle size for round tubing.
Tolerances
- Up to half of standard commercial aluminum tolerances.
- Control of bow, twist, and straightness
- Tight dimensional repeatability across runs
- Capability for thin walls down to 0.020″
Fabrication & Machining
- CNC machining
- Drilling, milling, and countersinking
- Precision cutting
- Deburring and finishing support
Finishing Options
- Clear and color anodizing (Type II)
- Hard coat anodizing (Type III)
- Chem film (clear and yellow, RoHS compliant)
- Powder coating
Have a design that needs tight tolerances?
Our engineering team will review your profile and identify the best path forward.
WHY PPE FOR CUSTOM EXTRUSIONS
Why Do Engineers Choose PPE for Custom Aluminum Extrusions?
Specialization in Small and Complex Profiles
PPE focuses on the miniature and tight-tolerance work that most extrusion manufacturers avoid. If your design is complex, we’re here to help.
U.S.-Based Manufacturing
All design, prototyping, and production happens in the United States, giving you greater visibility, faster communication, and a more reliable supply chain.
Engineering-Driven Collaboration
We engage early. Our team reviews designs for manufacturability, flags potential issues, and helps refine profiles before tooling begins.
Prototype-to-Production Continuity
The same team that handles your prototype handles your production. No handoffs, no surprises. Learn about our Prototyping Services
6,000+ Dies in Our Library
Our extensive die library means we may already have tooling that fits your needs- reducing lead time and upfront cost.
FREQUENTLY ASKED QUESTIONS
Frequently Asked Questions About Custom Aluminum Extrusions
A custom extrusion uses a die engineered specifically for your profile- rather than a standard off-the-shelf shape. This allows for precise control of geometry, tolerances, and material properties to match your application requirements.
Die lead times vary depending on complexity. PPE’s team will provide timeline estimates during the quoting process based on your specific design.
PPE has no minimum order size.
Yes. We offer free design reviews to help evaluate manufacturability, flag potential challenges, and suggest improvements before tooling begins.
Yes. The same team supports your project from early design through full production, ensuring continuity and reducing risk throughout the process.
Custom extrusions are used across aerospace, medical, industrial, and OEM manufacturing where precision, weight reduction, and complex geometry are required.
Ready to Start Your Custom Extrusion Project?
Share your design, specs, and application requirements. Our U.S.-based engineering team will review your project and help identify the best path forward.
