CNC Milling
Stable roughing and finishing strategies help control heat, stress release, and dimensional movement.
Explore CNC milling →MATERIAL GUIDE AND SUPPLIER SOURCING
PEEK Parts: Material Guide and Supplier Sourcing
Use this independent guide to compare typical PEEK properties, machining and finishing considerations, and the information suppliers may need before quoting custom parts.
MATERIAL OVERVIEW
Overview
- Feature
- A premium option when conventional plastics cannot meet thermal, chemical, mechanical, or cleanliness requirements.
- Key Data
-
Common Grades Stock Forms Machining Finish Options Production Fit Unfilled, glass-filled, carbon-filled, bearing grades Plate, rod, tube, molded stock Controlled heat, sharp tooling, stress and burr management As-machined, precision polishing, validated cleaning Prototype and low-volume high-value parts - Properties
- Suitable For
- Medical and laboratory components
- Semiconductor equipment parts
- Aerospace insulating and structural parts
- High-temperature bushings and seals
- Chemical-processing components
- Consider Alternatives When
- Cost-sensitive commodity parts
- Designs where POM, nylon, or aluminum can meet requirements
- Unspecified medical or food applications without certified grade documentation
PROCESS PLANNING
Machining & Finish
RapidMfgPro reviews geometry, tolerance, material behavior, finish, quantity, and inspection requirements before matching the project with suitable manufacturing resources.
CNC Turning
Suitable for seals, bushings, sleeves, rings, insulators, and high-performance rotational components.
Explore CNC turning →Surface Finishes
Surface and cleaning requirements should be coordinated with the grade, application, and inspection plan.
Discuss finish requirements →DESIGN GUIDE
Designing Parts in PEEK
Use the following points as an early DFM checklist. Final recommendations depend on part geometry, stock form, quantity, finish, and functional requirements.
Request a DFM ReviewSpecify exact grade
Filled and unfilled PEEK behave differently in machining and service.
Plan stress relief
Large stock removal may require staged machining and dimensional checks.
Avoid fragile edge details
Use practical radii and protect thin sealing or insulating features.
Define cleanliness needs
Call out handling, cleaning, packaging, and documentation before production.
TECHNICAL SPECIFICATION
Project Planning Reference
These are practical sourcing and machining guidelines, not a replacement for the certified material datasheet for the exact grade selected.
| Common grades | Unfilled, glass-filled, carbon-filled, bearing grades |
|---|---|
| Available stock | Plate, rod, tube, molded stock |
| Machining approach | Controlled heat, sharp tooling, stress and burr management |
| Finish options | As-machined, precision polishing, validated cleaning |
| Production fit | Prototype and low-volume high-value parts |
| Inspection planning | Define critical dimensions, fits, cosmetic surfaces, and documentation before production. |
SUPPLIER MATCH REQUEST
Need custom PEEK parts?
Upload your drawing and share the material, quantity, tolerance, finish, and delivery requirements.