Medical Grade Precision Core Pins | ±pm$0.002mm High-Precision Steel Mold Parts

Product Overview

Customized high precision steel round straight core pins from Senlan Precision are manufactured for medical plastic injection molds requiring tight dimensional control, stable concentricity, and consistent surface quality. All core pins are produced strictly according to customer drawings and technical specifications, supporting OEM and built-to-print mould component requirements for high-precision mould systems.

Core Features & Technical Advantages

• Built-to-Print manufacturing based on customer drawings

• Precision ground round straight core pin geometry

• High concentricity and straightness control

• Stable dimensional performance during injection cycles

• Suitable for medical-grade plastic mould tooling

• Consistent surface finish for demoulding stability

Applications & Industry Use

These precision steel core pins are widely used in:

• Medical plastic injection moulds

• Disposable medical consumable mould tooling

• Syringe, pipette, and medical packaging moulds

• Precision packaging mould components

• Multi-cavity mould systems requiring interchangeable cores

All applications are strictly limited to industrial, medical, and packaging manufacturing environments.

Mould Structure & Design Description

Round straight core pins are key forming elements used to create internal features in injection-moulded plastic parts. Their accuracy directly affects part geometry, surface quality, and mould stability.

Design considerations include:

• Straightness and concentricity control

• Fit tolerance with cavity and insert components

• Surface finish for smooth demoulding

• Thermal stability under continuous injection cycles

• Ease of replacement and maintenance

Each core pin is engineered to integrate precisely with the customer’s mould structure.

Manufacturing Capability & CNC Machining

Senlan Precision manufactures core pins using high-precision CNC and grinding processes to ensure repeatability and consistency.

Manufacturing capabilities include:

• CNC turning and milling

• Precision cylindrical grinding

• Fine tolerance control for diameter and straightness

• Heat treatment according to technical requirements

• Full dimensional inspection and documentation

Advanced machining centers ensure stable quality across both prototype and batch production.

Custom Development & OEM Cooperation Process

All round straight core pins are supplied under Custom / OEM / Built-to-Print cooperation.

Standard workflow:

1. Drawing and specification review

2. Material and tolerance confirmation

3. Precision machining and finishing

4. Dimensional and visual inspection

5. Packaging and export delivery

Flexible support is available for sample development and long-term OEM programs.

Quality Control & Export Experience

Quality control procedures include:

• Incoming material verification

• In-process dimensional inspection

• Final inspection against approved drawings

• Traceable production records

Senlan Precision supplies precision mould core components to international customers with established export and documentation experience.

Related Products

• Medical mould core pins and inserts

• Injection mould cavity components

• Precision ejector pins and sleeves

• Custom mould spare parts

All related products are manufactured strictly according to customer drawings.

Technical FAQ

Q1: Are standard sizes available for these core pins?
No. All core pins are custom manufactured based on customer drawings.

Q2: What tolerances can be achieved?
Tolerances depend on design requirements and will be confirmed during drawing review.

Q3: Can these core pins be used in multi-cavity moulds?
Yes. They are suitable for multi-cavity and interchangeable mould systems.

Q4: Do you support medical mould projects with long-term supply?
Yes. Stable OEM cooperation and repeat production are supported.

Request a Quotation

For Customized High Precision Steel Round Straight Core Pins for Medical Plastic Moulds, please provide your drawings and technical requirements.
Our engineering team will evaluate your specifications and issue a detailed quotation.