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 |
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) |
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 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 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
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.
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.
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.
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.
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.
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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