PEEK CNC Machined Parts & Custom Components
Precision CNC-machined PEEK parts in virgin and glass-, carbon- and bearing-grade PEEK — for semiconductor, oil & gas, aerospace and general engineering. Machined to your drawing, with material traceability and inspection.
What Are PEEK CNC Machined Parts?
PEEK (polyetheretherketone) is a high-performance thermoplastic that keeps its strength and dimensional stability up to a continuous 250 °C, resists most chemicals, steam and hydrolysis, is inherently flame-retardant (UL94 V-0) and has very low outgassing — so it replaces metal in demanding, high-temperature and high-purity parts.
Peflon CNC-machines finished PEEK components from virgin and filled PEEK stock (rod, plate and tube) to your drawing — bushings and wear pads, seals, back-up rings, insulators, connectors, valve and pump parts, wafer-handling and vacuum parts, and structural brackets.
Common sectors: semiconductor (test sockets, wafer carriers, vacuum parts), oil & gas (seals, back-up rings, downhole connectors), aerospace (brackets, thermal & electrical insulators), automotive / EV and general industrial (gears, bearings, pump/valve parts). Note: medical & implant-grade PEEK is handled by our dedicated medical line — ask us for details.
Virgin Vs. GF Vs. CF Vs. Bearing PEEK
| Property | Virgin PEEK | Glass-Filled | Carbon-Filled | Bearing Grade |
|---|---|---|---|---|
| Strength / stiffness | Good | High | Highest | High |
| Wear / friction | Moderate | Moderate | Low wear | Lowest friction |
| Dimensional stability | Good | Excellent | Excellent | Very good |
| Thermal conductivity | Low | Low | Higher | Higher |
| Electrical | Insulator | Insulator | Conductive | Varies |
| Best for | Insulators, pure/food parts | Structural, load-bearing | High-load & wear, thermal | Bushings, wear pads |
PEEK Grades We Machine
Pick the grade by load, wear, temperature and electrical need — then send the drawing.
Virgin (Unfilled) PEEK
Best toughness, elongation and electrical insulation, with high purity. FDA-compliant grades for food and clean parts. Use when purity, insulation or toughness matter most.
Glass-Filled PEEK (GF30)
~30% glass fiber for higher stiffness, lower creep and better dimensional stability under sustained load and temperature. Use when parts carry load or must hold size when hot.
Carbon-Filled PEEK (CF30)
~30% carbon fiber for the highest strength and stiffness, low wear, low thermal expansion and better heat dissipation. Use when high load, wear or thermal management is critical.
Bearing Grade PEEK
Carbon / graphite / PTFE blend for the lowest friction and wear — bushings, wear pads and slide bearings.
Custom / Other Grades
HT, wear and ESD grades on request — matched to your temperature, load and electrical requirements.
From Material to Finished PEEK Part
Precision CNC Machining
- Turned & milled to ±0.05 mm, tighter on request
- Stress-relief annealed stock for stable tight-tolerance parts
- Complex turning, milling & drilling
Material & Parts, One Source
- Consistent virgin & filled PEEK grades
- Traceable stock from one partner
- Full fluoropolymer & engineering-plastics range
Tested & Documented
- Material Certificate of Analysis
- Dimensional inspection report on request
- ISO 9001 quality system
Frequently Asked Questions
What is PEEK and why machine parts from it?
PEEK (polyetheretherketone) is a high-performance thermoplastic that stays strong and dimensionally stable up to a continuous 250 °C, resists chemicals, steam and wear, and is inherently flame-retardant. CNC-machined PEEK parts replace metal where weight, corrosion, insulation or high temperature matter.
Which PEEK grades do you machine?
Virgin (unfilled) PEEK, glass-filled (GF30), carbon-filled (CF30) and bearing grade (carbon/graphite/PTFE). We select the grade with you based on load, wear, temperature and electrical needs.
What tolerances can you hold?
Typically ±0.05 mm, with tighter tolerances on request. PEEK stock is stress-relief annealed before finish machining so precision parts stay stable in service.
What is the maximum part size?
We machine from rod, plate and tube stock across a wide size range, from small precision components to large machined parts — send your drawing and we will confirm feasibility.
What industries do you supply?
Semiconductor, oil & gas, aerospace, automotive/EV, electrical and general industrial — insulators, seals, back-up rings, bushings, wear pads, connectors and vacuum components.
Do you supply medical or implant-grade PEEK?
Medical and implant-grade PEEK (implant-grade material, ISO 13485, biocompatibility) is handled by our dedicated medical line rather than this industrial page. Contact us for medical PEEK enquiries.
Send Us Your PEEK Drawing — We’ll Quote It.
Virgin, glass-, carbon- or bearing-grade PEEK, CNC-machined to spec with material traceability. Tell us your part, grade and volume.