1.2344 (H13) Mold Core Pins | Precision Steel Components for Cosmetic Injection

Product Overview

The 1.2344 hot die steel mold core pins are precision injection mold components designed for cosmetic and medical plastic molding applications. Manufactured by Senlan Precision under a built-to-print model, these core pins focus on dimensional accuracy, thermal stability, and wear resistance. Precision CNC machining ensures consistent performance in multi-cavity injection molds operating under high-cycle production conditions.

Core Features & Technical Advantages

• Manufactured from DIN 1.2344 (H13 equivalent) hot work tool steel

• Excellent thermal fatigue resistance and mechanical strength

• Stable hardness distribution after heat treatment

• High dimensional accuracy for precision molding requirements

• Suitable for complex and multi-cavity mold structures

• Controlled surface finish to support smooth demolding

• Custom / OEM production strictly based on customer drawings

Application Scenarios / Industry Applications

These 1.2344 mold core pins are widely applied in:

• Cosmetic packaging injection molds

• Bottle caps, closures, and dispensing component molds

• Medical plastic molding tools

• High-cavity and high-speed injection molding systems

• Precision molds requiring stable core geometry

Applications are focused on packaging and medical injection molding industries.

Mold Structure & Design Description

In injection mold assemblies, mold core pins are responsible for forming internal features and fine geometries of plastic parts.

Key design considerations include:

• Core pin alignment and concentricity with cavity inserts

• Heat resistance for stable performance during continuous molding

• Surface quality to reduce wear and sticking

• Structural rigidity for long-term production cycles

• Compatibility with multi-cavity mold layouts

Each core pin is manufactured according to customer-provided drawings and mold design specifications.

Manufacturing Capability & CNC Machining

Senlan Precision operates advanced CNC machining systems for high-precision mold components.

Manufacturing capabilities include:

• Precision CNC turning and milling

• Cylindrical and profile grinding

• Heat treatment coordination for 1.2344 tool steel

• Tight tolerance control for critical dimensions

• Consistent quality for batch and long-term OEM orders

High-precision machining centers from MAKINO (Japan) and HARDINGE (USA) ensure stable dimensional control and repeatability.

Custom Development / OEM Cooperation Process

All 1.2344 mold core pins are supplied on a Custom / OEM / Built-to-Print basis.

Standard cooperation process:

1. Customer drawing and technical requirement review

2. Material selection and machining route confirmation

3. Precision CNC machining and finishing

4. Dimensional inspection and quality verification

5. Packaging and export delivery

Both prototype development and serial production are supported.

Quality Control & Export Experience

Quality assurance includes:

• Incoming material inspection

• In-process dimensional monitoring

• Final inspection of critical dimensions and surface finish

• Traceability for long-term repeat orders

Senlan Precision has extensive experience supplying precision mold components to international B2B customers.

Related Products

• Mold cavity inserts and core inserts

• Ejector pins and sleeve components

• High-precision mold parts for packaging molds

• Custom CNC machined injection mold components

All related products are available under built-to-print manufacturing.

Technical FAQ

Q1: Are these mold core pins standard products?
No. All core pins are custom-manufactured based on customer drawings.

Q2: Why is 1.2344 steel commonly used for mold core pins?
1.2344 offers excellent thermal stability, wear resistance, and strength for injection molding applications.

Q3: Can these core pins be used in multi-cavity molds?
Yes. They are suitable for high-cavity and high-cycle injection molds.

Q4: Do you support long-term OEM supply?
Yes. Stable OEM cooperation is available for continuous production programs.

Request a Quotation

For Customize 1.2344 Hot Die Steel Mold Core Pins for Injection Molding, please submit your drawings and technical requirements.
Our engineering team will review your specifications and provide a technical quotation accordingly.