Precision Ground 0.01mm Parallelism Pins | Hardened H13 Die Cast Tools

Product Overview

High performance mold core pins manufactured by Senlan Precision are designed for demanding injection molding and die casting tooling applications. These precision core pins are CNC machined under strict dimensional control, achieving parallelism up to 0.01 mm, ensuring stable mold operation, accurate part formation, and long service life in high-cycle production environments.

Key Features & Technical Advantages

• High Parallelism Accuracy

  • Parallelism controlled within 0.01 mm

  • Ensures stable alignment in multi-cavity and precision molds

• Precision CNC Machining

  • CNC turning, milling, and grinding for tight dimensional control

  • Suitable for complex core pin geometries

• High Performance Mold Tooling Design

  • Optimized for thermal stability and mechanical strength

  • Reliable performance under repeated molding cycles

• Built-to-Print / OEM Manufacturing

  • Manufactured strictly according to customer drawings and specifications

• Consistent Quality for Long Production Runs

  • Reduced wear and improved mold reliability

Application Scenarios / Industry Applications

• Injection Molding Tooling Systems

• Bottle Cap and Closure Molds

• Packaging Mold Assemblies

• Medical Packaging and Syringe Mold Components

• Precision Mold Manufacturing and Maintenance

These mold core pins are widely used in applications requiring tight alignment, repeatable positioning, and stable molding performance.

Mold Structure & Design Explanation

In injection molding and die casting tools, mold core pins play a critical role in:

• Forming internal features and functional geometries

• Maintaining consistent cavity alignment

• Ensuring controlled material flow and part release

• Supporting dimensional accuracy across multiple cavities

High parallelism directly contributes to reduced mold wear and improved part consistency.

Manufacturing Capability & CNC Machining Capacity

Senlan Precision provides complete in-house manufacturing for mold core pins:

• CNC turning for concentric and axial accuracy

• CNC milling for special features and profiles

• Precision grinding for parallelism and surface finish control

• Optional heat treatment and surface finishing

Typical manufacturing capability:

• Parallelism: ≤ 0.01 mm

• Dimensional tolerance: ±0.01 mm (or per drawing)

• Suitable for prototype and production quantities

Custom Development / OEM Cooperation Process

1. Customer drawing and technical requirement review

2. Material and machining process confirmation

3. Precision CNC machining and in-process inspection

4. Final dimensional and parallelism inspection

5. Packing and export delivery

This process supports new mold projects, replacement tooling, and mold performance upgrades.

Quality Control & Export Experience

• ISO 9001 quality management system

• Incoming material inspection and traceability

• In-process and final dimensional inspection

• Parallelism and geometry verification

• Experience supplying international mold manufacturers and OEM customers

Inspection reports and material certificates are available upon request.

Related Mold Components (Internal Links)

• Precision Mold Core Inserts

• Injection Mold Cavities

• Ejector Pins and Sleeves

• Mold Sliders and Inserts

• Custom Mold Components for Injection Molding

Frequently Asked Questions (FAQ)

Q1: Are these mold core pins standard or customized?
A: All core pins are custom-manufactured based on customer drawings.

Q2: What does 0.01 mm parallelism improve in mold performance?
A: It improves cavity alignment, reduces wear, and enhances molding consistency.

Q3: Can these core pins be used in multi-cavity molds?
A: Yes. They are designed for both single-cavity and multi-cavity mold systems.

Q4: Do you support small batch or prototype orders?
A: Yes. We support prototype, pilot, and production quantities.

Request a Quotation

For high performance mold core pins, precision die casting tooling, or custom injection molding components, please contact Senlan Precision with your drawings and technical specifications.
Our engineering team will provide a detailed technical review and quotation.