Bohler Steel Mold Core Pins | 56HRC Hardened & Cylindrical Ground

Product Overview

This cylindrical ground mold core pin is manufactured from Böhler tool steel and heat treated to a hardness of 56 HRC for medical plastic injection mold applications. Designed for high dimensional stability and wear resistance, the core pin is produced strictly to customer drawings, ensuring reliable performance in precision medical molding environments with repeated high-cycle operation.

Key Features & Technical Advantages

• Böhler tool steel with verified material traceability

• Heat treated to 56 HRC for wear resistance and dimensional stability

• Precision cylindrical grinding for controlled diameter tolerance

• Stable straightness and concentricity for medical mold applications

• Suitable for long production cycles and repeated injection processes

• Built-to-Print manufacturing based on customer specifications

Applications & Industry Use

• Medical plastic injection molds

• Syringe, diagnostic, and laboratory plastic components

• Precision mold assemblies requiring hardened core pins

• Multi-cavity molds with strict dimensional consistency requirements

Mold Structure & Design Description

The mold core pin functions as a critical forming element within medical injection molds, directly influencing internal geometry and dimensional accuracy of molded parts. Cylindrical grinding ensures consistent diameter control and surface quality, while heat treatment enhances resistance to wear and deformation during continuous molding cycles. All structural dimensions and tolerances are manufactured according to customer-provided drawings.

Manufacturing Capability & CNC Machining Capacity

Senlan Precision produces hardened core pins using controlled machining and finishing processes:

• CNC machining and high-precision grinding equipment from MAKINO

• CNC turning and finishing systems from HARDINGE

• Controlled heat treatment for uniform 56 HRC hardness

• Precision cylindrical grinding for tight diameter tolerances

• Final dimensional inspection based on drawing requirements

Custom Development & OEM Cooperation Process

1. Review of customer drawings and medical application requirements

2. Confirmation of Böhler material grade and hardness specification

3. CNC machining and cylindrical grinding

4. Heat treatment and hardness verification

5. Final inspection, cleaning, and export packaging

All projects are handled under OEM / Built-to-Print cooperation.

Quality Control & Export Experience

• Incoming Böhler material verification

• In-process inspection during machining and grinding

• Post-heat-treatment hardness testing

• Final dimensional inspection against customer drawings

• Experience supplying precision mold components to international medical mold manufacturers

Inspection records and measurement reports are available upon request.

Related Products

• Precision mold core pins

• Medical mold cavity inserts

• Ejector pins for injection molds

• Custom non-standard mold components

FAQ (Technical & Purchasing)

Q1: Can hardness be adjusted from 56 HRC if required?
A: Yes, hardness can be adjusted based on application requirements and drawings.

Q2: What tolerances can be achieved with cylindrical grinding?
A: Tolerances are controlled according to customer drawings and application needs.

Q3: Is this core pin suitable for multi-cavity medical molds?
A: Yes, it is designed for consistent performance in multi-cavity mold systems.

Q4: Do you manufacture only to drawings?
A: Yes, all parts are produced strictly under Built-to-Print specifications.

Get a Quote

Please submit your drawings or technical specifications to Senlan Precision to receive a quotation for Böhler hardened cylindrical ground mold core pins for medical injection molding applications.