PEEK CNC Machining Services

Precision PEEK CNC machining Services for prototypes, low-volume production and custom PEEK parts in unfilled, glass-filled, carbon-filled and medical-grade PEEK.

PEEK CNC Machining Capabilities

Our PEEK CNC machining capabilities support prototypes, low-volume production and custom PEEK parts with precision milling, turning and multi-axis machining.

StandardsDetail
Max Part Size (X/Y/Z)2300 × 1500 × 600 mm
Minimum Feature SizeØ1 mm
Minimum Wall Thickness0.25 mm
Machining Tolerance±0.01 mm
Surface Finish (As Machined)Ra 0.5–3.2 μm
Standard Lead Time3 working days for rapid prototyping
Machine TypesGantry CNC, 3-Axis, 4-Axis, 5-Axis CNC, Mill-Turn, Swiss-Type CNC, CNC Turning
Common PEEK GradesUnfilled PEEK, Carbon Filled PEEK (PEEK CF30), Glass Filled PEEK (PEEK GF30), ESD / Conductive PEEK, Medical Grade PEEK

Our PEEK CNC Machining Services

We provide precision PEEK machining services for prototypes,low-volume production and complex custom PEEK parts.Our capabilities include CNC milling, turning, 5-axis machining and mill-turn machining for a wide range of PEEK components.

PEEK CNC milling for custom precision parts

CNC Milling

Suitable for PEEK parts with pockets, holes, slots, contours and multi-side features. CNC milling is ideal for producing precise and complex PEEK components for prototypes and low-volume production.

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PEEK CNC turning for bushings rings and sleeves

CNC Turning

Ideal for PEEK bushings, sleeves, rings, shafts and other rotational parts. CNC turning provides consistent dimensions and surface quality for precision PEEK components.

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5-axis PEEK CNC machining for complex parts

5-Axis CNC Machining

Suitable for complex PEEK parts with multi-angle features, curved surfaces and intricate geometries. 5-axis machining reduces setups and helps maintain consistent accuracy across multiple surfaces.

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Mill-turn machining for complex custom PEEK parts

Mill-Turn Machining

Combines turning and milling in one setup for complex PEEK components with both rotational and milled features, helping reduce secondary operations, setup errors and overall lead time.

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PEEK Grades We Machine

We machine a range of PEEK grades for precision parts requiringstrength, dimensional stability, wear resistance and high-temperature performance.

Unfilled PEEK material and machined parts

Unfilled PEEK

General-purpose PEEK with excellent chemical resistance, electrical insulation and mechanical performance for precision components.

Glass filled PEEK GF30 material and machined parts

Glass Filled PEEK (PEEK GF30)

PEEK GF30 contains 30% glass fiber for improved stiffness, dimensional stability and heat resistance.

Carbon filled PEEK CF30 material and machined parts

Carbon Filled PEEK (PEEK CF30)

PEEK CF30 is a carbon filled PEEK grade offering higher stiffness, strength and wear resistance.

Medical grade PEEK material and machined components

Medical Grade PEEK

Medical grade PEEK is suitable for specified medical components requiring traceable materials and sterilization compatibility.

Custom PEEK Parts We Machine

We manufacture custom PEEK parts for demanding applications using precision CNC machining, including seals, bearings, bushings and gears in different PEEK grades.

Why PEEK Is Used for Precision Parts

PEEK is widely used for demanding precision components because it combines high temperature resistance, chemical stability, strength and wear performance.

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High Temperature Resistance

Maintains mechanical performance in high-temperature operating environments.

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Chemical Resistance

Resists many chemicals, fuels and aggressive fluids used in industrial applications.

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High Strength-to-Weight Ratio

Provides strong mechanical performance while remaining significantly lighter than metal.

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Wear Resistance

Suitable for bearings, bushings, seals and other moving or sliding components.

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Electrical Insulation

Offers excellent dielectric properties for electrical and semiconductor applications.

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Dimensional Stability

Maintains stable geometry for precision components under demanding operating conditions.

PEEK Machining Challenges & How We Control Them

PEEK requires careful control of heat, tooling, workholding and cutting parameters to maintain dimensional accuracy and surface quality during CNC machining.

Precision PEEK CNC machining process

Heat & Deformation

PEEK can deform when excessive heat builds up during machining. We use controlled cutting parameters, sharp tools and staged machining to reduce thermal distortion.

Tool Wear on Filled PEEK

Glass filled PEEK and carbon filled PEEK are more abrasive than unfilled grades. Wear-resistant tooling and appropriate cutting conditions help maintain consistent dimensions.

Thin-Wall Distortion

Thin PEEK features can flex or distort under excessive clamping pressure. Low-force fixturing and balanced material removal help maintain part geometry.

Burrs & Edge Quality

PEEK can produce burrs or edge whitening during machining. Sharp tooling, optimized cutting direction and controlled deburring help improve edge quality.

PEEK Machining Applications

Precision PEEK CNC machining is widely used for demanding components in industries that require heat resistance, chemical resistance, dimensional stability and low weight.

Medical

Used for precision medical components, fixtures and parts made from specified medical grade PEEK.
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Aerospace

Suitable for lightweight structural, insulation and high-temperature components where metal replacement can reduce weight.
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Semiconductor

Used for electrical insulation, wafer-handling fixtures and precision components exposed to heat or chemicals.
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Industrial Equipment

Ideal for PEEK bearings, PEEK bushings, PEEK seals and wear-resistant components in demanding mechanical systems.
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Quality Control for PEEK Parts

We inspect critical dimensions and material requirements throughout production to help ensure consistent quality for precision PEEK components.

CMM inspection for alloy steel parts

CMM Inspection

Coordinate measuring machines are used to verify critical dimensions, positions and complex geometric features.

Dimensional inspection for machined alloy steel parts

Dimensional Inspection

Precision measuring tools are used to check diameters, lengths, threads, holes and other specified dimensions during and after machining.

Surface roughness and hardness inspection

Surface & Hardness Checks

Surface roughness and hardness can be checked when required to confirm functional and finishing specifications.

CNC machining inspection documentation

Inspection Documentation

FAI, dimensional inspection reports and material certificates can be provided according to project requirements.

Final quality inspection before shipment

Final Quality Review

Parts are checked before shipment to confirm drawing requirements, appearance and quantity.

Need Custom PEEK Parts?

Upload your drawing and material requirements. Our engineering team will review the PEEK grade, geometry, tolerances and machining requirements before quotation.

PEEK CNC Machining FAQs

Typical machining tolerances can reach ±0.01 mm, depending on part geometry, size, wall thickness and material grade.

We machine unfilled PEEK, PEEK GF30, PEEK CF30, ESD / conductive grades and specified medical grade PEEK.

Yes. We machine both glass filled PEEK and carbon filled PEEK, with tooling and cutting parameters adjusted for their higher abrasiveness.

Yes. We produce custom PEEK parts from customer CAD files and drawings for prototypes and low-volume production.

Yes. We manufacture PEEK seals, PEEK bearings, PEEK bushings and PEEK gears, as well as other custom precision components.

For suitable geometries, wall thickness can be as low as 0.25 mm, depending on part size, feature depth and tolerance requirements.

Rapid prototypes can typically be completed in around 3 working days, depending on part complexity, quantity and material availability.

Yes. Material certificates, dimensional inspection reports and FAI documentation are available based on project requirements.

Request A Quote
Upload your drawing and get a quote within 24 hours.