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POM vs Nylon for Machined Plastic Parts

When buyers source machined plastic parts, POM and nylon are two common engineering plastic options. Both materials are used for custom machined components, but they are usually selected for different project priorities.

In this article, we explain the differences between POM and nylon, and when each material may be a better fit for machined plastic parts.

What Is POM?

POM is an engineering plastic used for machined plastic parts where dimensional stability and reliable machining performance are important. It is often selected for custom industrial parts that require precision-oriented machining and stable part performance.

What Is Nylon?

Nylon is a commonly used engineering plastic for machined parts such as gears, washers, bearings, pipe clamps and other industrial components. It is often selected for mechanical parts and wear-related applications.

Main Differences Between POM and Nylon

1. Machining Use

POM is commonly chosen for machined parts where stable machining behavior is important.

Nylon is widely used for machined industrial parts that require structural flexibility and practical engineering performance.

2. Typical Part Types

POM is often used for custom machined plastic components where dimensional consistency is important.

Nylon is often used for gears, washers, bearings and other mechanical parts.

3. Application Focus

POM is often considered when the project needs a stable engineering plastic for machined custom parts.

Nylon is more commonly chosen for wear-related and mechanically functional parts.

When to Choose POM

POM is usually a better choice when you need:

  • machined parts with dimensional stability
  • engineering plastic components with reliable machining performance
  • custom parts for industrial use
  • precision-oriented machined plastic parts

When to Choose Nylon

Nylon is usually a better choice when you need:

  • gears
  • washers
  • bearings
  • pipe clamps
  • machined mechanical parts
  • wear-related custom plastic components

Which One Is Better?

There is no single answer for every project.

Choose POM when machining stability and dimensional consistency are stronger priorities.

Choose nylon when the project is more focused on mechanical parts, wear-related use and flexible custom machining.

How We Support Both Materials

At Dezhou Haiming Plastics Industry Co., Ltd., we support custom machined plastic parts in both POM and nylon / MC nylon, based on drawings, samples and application requirements.

Conclusion

POM and nylon are both useful engineering plastics for machined parts, but they fit different priorities. The right choice depends on part design, application condition and machining requirement.

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