H13 (AISI) Precision Core Pins | ISO 9001 Die Casting Tooling | 46-48 HRC

Product Overview

ISO9001 precision core pins manufactured by Senlan Precision are designed for injection molding and die casting tooling that requires stable hardness, accurate geometry, and long-term dimensional consistency. With a controlled hardness range of 46–48 HRC, these core pins provide an optimal balance between wear resistance and toughness, supporting reliable mold performance in high-cycle production environments.

Key Features & Technical Advantages

• Controlled Hardness: 46–48 HRC
  Ensures sufficient wear resistance while maintaining structural toughness under thermal and mechanical load.

• High Dimensional Accuracy
  Manufactured with tight tolerances to guarantee precise core positioning and stable mold operation.

• Precision Surface Finish
  Reduced friction and improved demolding performance, minimizing wear on mating mold components.

• ISO9001 Quality System
  Full-process quality control from raw material to final inspection.

• Built-to-Print / OEM Manufacturing
  All core pins are produced strictly according to customer drawings and technical specifications.

Application Scenarios / Industry Applications

• Injection molding core systems

• Die casting mold core assemblies

• Packaging mold components

• Bottle cap and closure molds

• Medical packaging and syringe molds

• Multi-cavity and high-output mold tooling

These precision core pins are suitable for tooling systems requiring repeatable accuracy, consistent hardness, and long service life.

Mold Structure & Design Explanation

Core pins are critical functional elements used to form internal features and dimensional details within molds.
Proper design and precision machining ensure:

• Accurate cavity geometry

• Stable alignment during molding cycles

• Reduced wear and galling

• Consistent molded part quality across cavities

The selected hardness range of 46–48 HRC supports durability while reducing the risk of brittle failure during long production runs.

Manufacturing Capability & CNC Machining Capacity

Senlan Precision operates advanced precision machining equipment, including:

• Japan MAKINO high-precision CNC milling centers

• USA HARDINGE CNC turning and grinding machines

Core manufacturing processes include:

• CNC turning and milling

• Precision grinding

• Controlled heat treatment

• Surface finishing and polishing

Typical manufacturing capability:

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

• Suitable for prototype, low-volume, and mass-production tooling components

Custom Development / OEM Cooperation Process

1. Technical drawing and requirement review

2. Material and hardness confirmation

3. CNC machining and finishing

4. In-process inspection and final quality verification

5. Packaging and export shipment

This process supports new mold development, replacement core pins, and mold maintenance programs.

Quality Control & Export Experience

• ISO9001 certified quality management system

• Incoming material inspection and traceability

• In-process dimensional and hardness control

• Final inspection before shipment

• Extensive export experience serving international mold makers and OEM manufacturers

Inspection reports and material certificates can be provided upon request.

Related Products

• Precision Mold Core Inserts

• Injection Mold Cavities

• Ejector Pins and Sleeves

• Mold Sliders and Wear Parts

• Custom CNC Machined Mold Components

Frequently Asked Questions (FAQ)

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

Q2: Can the hardness range be adjusted?
A: Yes. While 46–48 HRC is standard, other hardness ranges can be discussed.

Q3: What tolerances can you achieve?
A: Typical tolerance is ±0.01 mm, subject to design and application requirements.

Q4: Are these suitable for multi-cavity molds?
A: Yes. These core pins are commonly used in multi-cavity and high-output mold systems.

Request a Quotation

For ISO9001 precision core pins, die casting mold components, or OEM injection molding tooling parts, please contact Senlan Precision with your drawings and technical requirements.
Our engineering team will provide a professional evaluation and quotation.