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FINISHING SERVICES

PEEK

At a glance

ProcessesLead TimeColorsTolerancePriceApplicationsGrades
CNC Mill
CNC Lathe
As fast as 3 daysOpaque beigeWith drawing: as low as +/- 0.005 mm
No drawing: ISO 2768 medium
$$$Metal-alternative for high-stress applicationsStandard PEEK, 30% Glass Filled

About the Material

In high-stress/high-temperature applications, PEEK is a great lightweight substitute for most soft metals. Additionally, PEEK is resistant to moisture, wear, and chemicals.

Glass-filled PEEK is a high performance plastic with excellent rigidity, strength and toughness. The addition of glass fibers enhances its ability to maintain dimensional stability even in harsh thermal and chemical environments. This material is often used in the following industries: aircraft, automotive, medical, chemical, semiconductor and microwave.

5e8e7be15d89c299dbd2dad7 Peek CNC Material 6511

Material Properties 

PEEK

Yield Strength (tensile)

Elongation at Break

Hardness

Density

Maximum Temp

McMaster Part Number

14,000 psi
20%Rockwell R1250.047 lbs / cu. in.480° F8504K811

PEEK (30% Glass Filled)

Yield Strength (tensile)

Elongation at Break

Hardness

Density

Maximum Temp

McMaster Part Number

14,000 psi
20%Rockwell R1250.047 lbs / cu. in.480° F8504K811

Material Finish

PEEK comes in an opaque beige color and can be machined to a variety of surface finishes.

 

Design Recommendations

 

Max Part Size

Min End Mill Size

Min Drill Size

Min Wall ThicknessUndercutsRadii : Depth
1200 x 500 x 152 mm [x, y, z] (mill)
152 x 394 mm [d, l] (lathe)
0.8mm
(0.03 in)
0.5mm (0.02 in)0.5 mmSquare profile, full radius, dovetail profilesDepth must not exceed 12x drill bit diameter.
For end mills, depth must not exceed 10x tool diameter.

Cost Saving Tip

To reduce costs, limit the number of part setups, the number of inspection dimensions or tight tolerances, and deep pockets with small radii.

Visit our CNC Machining Services Page

PEEK FAQs

ABS plastic is a low-cost engineering plastic, widely used for pre-injection molding prototypes. CNC machined ABS is a great option for production-like parts, where detail and mechanical properties are important.

 

Depending on the desired outcome for the project, ABS plastic can either be cut or engraved using CNC milling.

 
 

ABS plastic is an excellent choice for general purpose prototyping, pre-molding prototypes, parts that will receive impact and require toughness, or when low cost is desired.

 
 
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