POM / Delrin for CNC Machining

Use POM CNC machining or Delrin machining for gears, bushings, slides, rollers, and tight-tolerance plastic components that benefit from low friction and dimensional stability. This guide helps engineers plan custom machined Delrin parts and review where acetal outperforms ABS, nylon, or standard PP in a precision plastic machining service workflow.

Price level 2 Price direction
About 6 business days Typical lead time
3 Common grade paths
3 Key characteristics

Description

Applications
POM, also known as Delrin, is a low-friction engineering plastic suited to gears, bearings, and dimensionally stable mechanical parts.
Strengths
Low friction · Dimensional stability · Good wear resistance
Process notes
Delrin is a strong fit for plastic parts with slots, bores, and repeated assembly interfaces because it holds form well.

Characteristics

Price
Price level 2
Lead time
About 6 business days
Common grades
POM 100AF dark brown, POM black, POM blue, POM white
Finish direction
As machined, sandblasting, tumbling, painting

Why teams choose POM/Delrin for CNC machining

This page focuses on how POM/Delrin behaves inside a real CNC machining workflow, including grade choice, application fit, and the long-tail buying questions that usually matter before RFQ approval.

POM, often referred to as Delrin or acetal in procurement conversations, is a strong fit for motion-related plastic parts. It machines cleanly, holds dimensions well, and supports a lower-friction surface than many general plastics.

This makes it especially attractive for wear strips, gears, bearing-like components, guides, and precision housings where repeatability matters more than surface cosmetics or transparency.

POM/Delrin CNC machining use cases

Common search intent around pom/delrin machining usually maps back to these application patterns.

POM CNC machining for gears, rollers, sliders, and wear strips

ZigiTech reviews geometry, quantity, finish, and inspection scope to keep this use case aligned with a practical machining route rather than a generic material recommendation.

Custom Delrin machined parts for low-friction mechanisms and fixtures

ZigiTech reviews geometry, quantity, finish, and inspection scope to keep this use case aligned with a practical machining route rather than a generic material recommendation.

Precision acetal bushings, guides, and dimensional reference components

ZigiTech reviews geometry, quantity, finish, and inspection scope to keep this use case aligned with a practical machining route rather than a generic material recommendation.

Low-volume engineering plastic parts for motion systems and automation hardware

ZigiTech reviews geometry, quantity, finish, and inspection scope to keep this use case aligned with a practical machining route rather than a generic material recommendation.

Common POM/Delrin grade options

The right grade depends on load, corrosion exposure, cosmetic needs, and whether the part is prototype-focused or moving toward production.

Standard POM / Delrin

Used for many general low-friction and dimensional-stability applications.

POM 100AF

Reviewed where friction and wear behavior are especially important.

Color variants

Black, blue, and white options may be selected for assembly coding or cosmetic preference.

Machining notes for POM/Delrin

These points help reduce surprises when the part moves from CAD into a real CNC machining service workflow.

DFM and process notes

  • Delrin is a strong fit for plastic parts with slots, bores, and repeated assembly interfaces because it holds form well.
  • If a part is being used near elevated heat or a chemically aggressive environment, confirm whether another engineering plastic would hold up better.
  • Designs that depend on sliding contact should be reviewed for actual wear path, not just nominal material choice.

Finish and delivery direction

  • Many POM parts ship as machined because the natural surface already suits functional assemblies.
  • Light deburring and edge cleanup often matter more than decorative finishing.
  • If the part interfaces with seals or low-friction surfaces, the final edge and contact condition should be part of the inspection plan.

Available catalog data for POM/Delrin

This summary keeps the detail page connected to the same global material data used in the site-wide catalog.

Characteristics

Low friction · Dimensional stability · Good wear resistance

Common alloys or grades

POM 100AF dark brown, POM black, POM blue, POM white

Finish direction

As machined, sandblasting, tumbling, painting

Lead time guidance

About 6 business days

POM/Delrin CNC machining FAQ

Long-tail questions buyers often ask before sourcing pom/delrin for CNC machining.

Yes. Delrin is one of the most practical CNC plastics for gears, guides, wear parts, and precise mechanical components because it machines well and provides strong dimensional stability.

POM is usually preferred when low friction, wear behavior, and dimensional precision matter more. ABS is often the better choice for general housings and appearance-focused prototype parts.

Yes. It is commonly used for gears, guides, rollers, and sliding features, provided the design is reviewed for load, wear, and environment.