PEEK Rod 3mm–150mm | High Temp Engineering Plastic for CNC Machining

High-Performance Engineering Plastic for Extreme Conditions

Our PEEK rods are designed to meet the demands of high-temperature, high-load, and chemically aggressive environments. With outstanding resistance to wear, hydrolysis, and chemicals, these rods are perfect for CNC machining, custom parts fabrication, and precision industrial components. 💡

Available in diameters from 3mm (1/8") to 150mm (5-7/8") and lengths of 50mm (2"), 80mm (3-1/8"), and 100mm (4"), Custominsul provides both standard and fully customized PEEK rod options for engineers, designers, and manufacturers across industries.

Durable. Machinable. Dependable.

PEEK (Polyetheretherketone) is known for its exceptional mechanical strength and dimensional stability. Whether you're crafting parts for aerospace, automotive, electronics, or medical devices, our rods deliver reliability you can count on.

• ⚙️ Heat Resistance: Withstands up to 260°C (500°F) continuous operation

• 🧪 Chemical Stability: Excellent resistance to acids, bases, solvents

• 🛠️ Easy to Machine: Compatible with CNC, milling, drilling, and turning

• 🧩 Customizable: Any size, cut, or finish to match your design

Industrial Applications of PEEK Rods

Our high-temperature plastic rods are ideal for applications including:

• Gear housings, seals, and wear plates in automotive systems

• Turbine components and insulators in aerospace

• Sterilizable parts in medical equipment

• Electrical insulators and connectors in electronics

• Sliding elements in food processing and packaging machinery

These rods are engineered for both functional prototyping and end-use component production in demanding industries.

Full Size Range with Metric/Inch Display

Choose from a wide range of diameters and lengths to match your project:

• Length Options: 50mm (2"), 80mm (3-1/8"), 100mm (4")

• Diameter Options (with inch):
  3mm (1/8"), 4mm (5/32"), 5mm (3/16"), 6mm (1/4"), 8mm (5/16"),
  10mm (3/8"), 12mm (1/2"), 15mm (5/8"), 20mm (4/5"), 25mm (1"),
  30mm (1-3/16"), 35mm (1-3/8"), 40mm (1-5/8"), 50mm (2"),
  60mm (2-3/8"), 70mm (2-3/4"), 75mm (3"), 80mm (3-1/8"),
  90mm (3-1/2"), 100mm (4"), 120mm (4-3/4"), 150mm (5-7/8")

Looking for other sizes? We offer flexible custom production – just send us your requirements.

Custom Machining Services You Can Trust

Need more than just rods? Custominsul supports full-service custom plastic machining, including:

• CNC cutting & shaping

• Laser cutting & polishing

• Hole drilling, edge rounding, chamfering

• Sample production and low-volume trial orders

Upload your drawing or request a free consultation—our team is here to bring your design to life.

Why Choose Custominsul 💼

• 🧵 Plastic Variety Leader: From PEEK to PTFE, PEI, Acrylic, and more—we stock it all

• 🛠️ In-House Precision Machining: CNC, laser, polishing, and drilling—custom work is our core

• 🤝 Customer-First Approach: Flexible MOQs, fast response, and real engineers to support your project

• 💸 Save on Costs: We help reduce material waste and labor time by delivering ready-to-assemble solutions

Whether you’re a startup building your first prototype or an established manufacturer scaling production, Custominsul helps you save time, reduce expenses, and get to market faster.

Technical Specifications

• Material: Virgin or glass fiber-reinforced PEEK

• Color: Natural (beige)

• Temperature Resistance: Up to 260°C / 500°F

• Tensile Strength: Approx. 90~100 MPa

• Density: 1.3–1.45 g/cm³

• Water Absorption: < 0.1%

• Customization: Available on all specifications and shapes

Frequently Asked Questions

Q: Can I machine this PEEK rod using standard CNC tools?
A: Yes! PEEK is one of the best plastics for CNC machining. We can also provide you with pre-machined parts if needed.

Q: Do you offer custom diameters or shapes?
A: Absolutely. Just send us your drawing or idea—we offer cut-to-size and fully custom shapes.

Q: Is there a minimum order?
A: We accept both small trial orders and bulk quantities. Contact us for details based on your needs.

Q: How fast is delivery?
A: Standard sizes ship in 3–5 business days. Custom orders are typically ready in 7–12 business days.

Q: Can you ship internationally?
A: Yes, we support global shipping with tracking and offer free standard shipping in many cases.

🛒 Ready to Order? Let’s Build It Your Way

Choose your size, add to cart, and enjoy fast delivery.
Need a custom shape or finish? Click below to get a fast quote—no engineering jargon required.

👉 [Buy Now – Standard Sizes]
👉 [Request a Custom Quote]

Custominsul is committed to delivering quality, speed, and value—because your project deserves the best. Let's build together. ✨