Custom PEEK CNC Machining Services | XML Precision Hardware Manufacturing

Searching for the ultimate super-plastic to replace metal in extreme environments? XML provides top-tier PEEK (Polyether Ether Ketone) CNC machining services. Valued for its blistering high-temperature resistance, supreme chemical stability, and exceptional mechanical strength, PEEK is the apex material for aerospace structural parts, surgical medical devices, semiconductor components, and oil & gas equipment. From complex prototyping to critical volume production, XML delivers flawless, all-around manufacturing solutions. Get a free quote today!

  1. Home
  2. »
  3. PEEK

Why Choose PEEK for CNC Machining?

PEEK .PEEK PEEK0 PEEK PEEK PEEK

PEEK (Polyether Ether Ketone) sits at the very top of the advanced polymer pyramid. It is an incredibly strong, high-performance thermoplastic that frequently replaces heavy metals like stainless steel and titanium in applications where failure is not an option.

Whether you are designing sterile surgical instruments or components for deep-sea oil drilling, this material delivers:

  • Extreme High-Temperature Resistance: Operates continuously at temperatures up to 250°C (480°F) and withstands short-term spikes up to 300°C+ without melting or losing strength.

  • Metal-Like Mechanical Strength: Offers an incredible strength-to-weight ratio, providing the structural integrity of metal at a fraction of the weight.

  • Supreme Chemical & Radiation Resistance: Virtually immune to harsh chemicals, organics, and even intense radiation, outperforming almost all other plastics.

  • Exceptional Biocompatibility: Highly resistant to thousands of autoclave sterilization cycles and completely safe for human tissue contact, making it a medical industry standard.

As your expert manufacturing partner, XML utilizes advanced stress-relieving (annealing) processes and specialized cutting technologies to machine this expensive super-plastic with flawless precision and zero internal stress.

ABS Technical Specifications & Machining Parameters

Mechanical & Thermal PropertiesMetric ValueImperial ValueTest Standard
Density (Specific Gravity)1.31 – 1.32 g/cm³0.047 lbs/in³ASTM D792
Tensile Strength (Yield)95 – 100 MPa13,700 – 14,500 psiASTM D638
Flexural Modulus3.8 – 4.1 GPa550,000 – 600,000 psiASTM D790
Max Continuous Temp250°C480°FUL 746B
Melting Point343°C649°FASTM D3418
Flammability RatingUL94 V-0 (Naturally flame retardant, low smoke)UL94 V-0UL 94
Chemical ResistanceOutstanding (Insoluble in all common solvents)Outstanding
Machining Parameters
Technical Specifications
Standard Tolerances
±0.01 mm to ±0.05 mm (Extremely precise for a plastic)
Mandatory Annealing
Multi-stage heating and cooling cycles applied before, during, and after machining to eliminate internal stress and prevent warping.
As-Machined Surface Finish
Ra 0.4 – Ra 1.6 μm (Incredibly smooth, glass-like finish achievable)
Cutting Strategy
Moderate cutting speeds with aggressive feeds to transfer heat into the chip, not the material.
Tooling Specifics
Polished, razor-sharp solid carbide or Polycrystalline Diamond (PCD) tools to prevent rubbing and heat buildup.
Coolant / Thermal Control
Clean air blast or pure liquid coolants specifically chosen to prevent chemical contamination (critical for medical/semiconductor parts).
Supported Operations
5-Axis CNC Milling (for complex geometries), Precision CNC Turning, Micro-Machining, and Drilling.

Extensive Industry Applications of PEEK Parts

Aerospace

Aviation demands extreme weight reduction without compromising safety. We CNC machine flame-retardant aerospace insulating brackets, lightweight aircraft engine components, and high-temp wire guides that replace heavier aluminum and steel.

Medical Devices

Highly resistant to degradation from thousands of rigorous autoclave sterilization cycles and completely safe for human tissue contact, making it the absolute gold standard for long-term implantable devices and surgical tooling.

Robotics & Automation

The semiconductor industry requires pure, non-outgassing materials that withstand harsh plasma environments. We specialize in manufacturing ultra-clean wafer carrier wands, high-vacuum insulating rings, and precision test sockets utilizing high-grade PEEK.

Automotive

Deep-sea drilling and high-performance engines subject materials to immense pressure, heat, and corrosive fluids. We precision-machine ultra-tough downhole electrical insulators, custom high-pressure seal rings, and high-temp automotive thrust washers.

Why Partner with XML for Your PEEK Machining?

Advanced Equipment

State-of-the-art Swiss CNC machines ensure exceptional precision, repeatability, and efficiency.

24/7 Engineering Support

Our engineers provide continuous technical support, from design review to production optimization.

Fast Turnaround

Streamlined workflows and dedicated project management enable quick and reliable delivery.

Competitive Pricing

Optimized processes and in-house production help customers save 30–40% without sacrificing quality.

PEEK CNC Machined Parts Gallery

PEEK
PEEK
PEEK
PEEK
PEEK
Request a Quote Now!

If you have any design files that need to be sent, please email them to info@xml-cnc.com