HDPE CNC Machining Services

At Sochain Precision, we manufacture custom HDPE parts using precision CNC routing. Our machining capabilities support a range of standard sheet thicknesses, custom part sizes, and secondary operations for both prototype and bulk order requirements.

Rapid prototyping and full-scale production
ISO accredited & QC checks
All in-house processes
Used in over 50 countries
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HDPE Part Size & Manufacturing Capacity

The table below outlines the standard part size range that can be accommodated for HDPE CNC machining.

Feature

Capability

Minimum Part Size

1 × 2 in (25.4 × 50.8 mm)

Standard Maximum Part Size

44 × 44 in (1118 × 1118 mm)

Maximum Custom Part Size

Up to 46 × 46 in (1168 × 1168 mm), subject to project review

 
CNC machining HDPE plastic

Available HDPE Material Grades & Thicknesses

Our standard HDPE material options are available in the following colors and sheet thicknesses. 

Specification

Available Options

Material

High-Density Polyethylene (HDPE)

Standard Colors

Black, White

Available Thicknesses

0.250″ (6.35 mm), 0.375″ (9.53 mm), 0.500″ (12.70 mm)

 
HDPE part machining
HDPE CNC milling

Precision & Machining Tolerances

The following machining tolerance applies to standard HDPE parts manufactured under normal production conditions.

Specification

Capability

Standard Machining Tolerance

Up to ±0.005 in (±0.127 mm), depending on part geometry and material thickness

Secondary Machining Operations

We provide the following secondary machining services to complete your HDPE components.

Service

Description

Countersinking

Creates recessed holes for flush-mounted screws and fasteners.

Thread Tapping

Produces internal threads in accordance with the required thread size and drawing specifications.

 

Standard Production Time

Typical production times for standard HDPE machining orders are listed below.

Order Type

Typical Lead Time

Standard HDPE Parts

2 to 4 Business Days

Lead times may vary depending on order quantity, part complexity, and material availability.

HDPE Turning
HDPE sheets in vibrant colours

HDPE Material & Machining Specifications

Compare our standard HDPE machining options below.

The specifications cover available thicknesses, machining services, tolerances, and typical manufacturing applications for each material.

Specification

0.250″ (6.35 mm) HDPE

0.375″ (9.53 mm) HDPE

0.500″ (12.70 mm) HDPE

Material Thickness

0.250″ (6.35 mm)

0.375″ (9.53 mm)

0.500″ (12.70 mm)

Available Colors

Black, White

Black, White

Black, White

Manufacturing Process

CNC Cutting

CNC Cutting

CNC Cutting

Countersinking

Available

Available

Available

Thread Tapping

Available

Available

Available

Dimensional Tolerance

Up to ±0.005 in (±0.127 mm)

Up to ±0.005 in (±0.127 mm)

Up to ±0.005 in (±0.127 mm)

Suitable For

Lightweight brackets, covers, spacers, wear strips

Structural panels, machine guards, fixtures

Heavy-duty components, support plates, industrial parts

Prototype Orders

Supported

Supported

Supported

Production Runs

Supported

Supported

Supported

 

Supported CNC Machining Operations

The following CNC machining processes are available for custom HDPE parts.

Service

Description

CNC Cutting

Precision cutting of custom profiles, slots, pockets, and holes based on customer drawings.

Countersinking

Machined countersunk holes for flush-mounted screws and fasteners.

Thread Tapping

Internal threads produced according to specified thread sizes and engineering requirements.

 
HDPE plastic rods

HDPE Material Overview

HDPE (High-Density Polyethylene) is a solid plastic. It is used to produce parts that need to handle moisture, chemicals, and repeated use.

It machines cleanly through CNC machining and produces stable, accurate parts without adding unnecessary weight.

The material is primarily used for industrial components, food processing equipment, water systems, and outdoor applications.

HDPE Material Benefits

Property

How It Helps

Lightweight

Reduces the overall weight of finished parts without affecting everyday performance.

Moisture Resistance

Does not readily absorb water, making it suitable for wet environments.

Chemical Resistance

Handles contact with many industrial chemicals, cleaning agents, and mild acids.

Impact Performance

Better resists knocks and repeated handling than many rigid plastics.

Easy to Machine

Supports drilling, milling, routing, and other CNC machining operations with clean results.

Wear Resistance

Performs well in guides, wear strips, and sliding components.

Cost Efficiency

A practical material when performance and material cost both matter.

Food-Grade Availability

Food-contact grades are available for suitable applications.

 

Typical Applications of HDPE

HDPE is frequently machined into:

  • Wear strips
  • Chain guides
  • Cutting boards
  • Water tank components
  • Chemical handling parts
  • Machine guards
  • Marine components
  • Food processing parts
  • Pipe supports
  • Custom industrial fixtures

FAQs

What types of HDPE parts can Sochain Precision machine?

We machine a wide range of custom HDPE components, including machine guards, wear strips, guide rails, spacers, mounting plates, tank components, food processing parts, marine components, and other industrial plastic parts. We support both prototype and production quantities based on your drawings.

What HDPE thicknesses are available for machining?

Our standard HDPE sheet thicknesses include 0.250" (6.35 mm), 0.375" (9.53 mm), and 0.500" (12.70 mm). If your project requires a different thickness or material grade, contact our team for availability and a custom quotation.

Can you machine threaded holes and countersinks in HDPE?

We offer secondary machining operations such as thread tapping and countersinking. Thread sizes, hole dimensions, and countersink angles are specified in your engineering drawings to simplify assembly.

What file formats do you accept for a quotation?

We accept most standard CAD and technical drawing formats, including STEP, IGES, DXF, DWG, and PDF. Providing a 3D model together with a drawing helps us review dimensions, tolerances, and machining requirements more efficiently.

What machining tolerances can you achieve for HDPE parts?

Standard HDPE parts can be machined to ±0.005 in (±0.127 mm), depending on the part geometry, material thickness, feature size, and overall dimensions. If your design includes critical features or tighter tolerances, let us know during the quotation stage so we can review the requirements.

Why Partner with Sochain Precision for Custom HDPE Parts?

At Sochain Precision, we machine custom HDPE parts for both prototype and mass production requirements.

Every project is reviewed against your drawings and specifications before manufacturing begins. Whether your part requires precision profiles, drilled holes, pockets, countersinks, and threaded features, our CNC machining process is planned to achieve the required dimensions and clean finishes.

Send us your CAD file or technical drawing, and our team will provide a quotation based on your design, material requirements, quantity, and delivery schedule.

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