STAVAX ESR Stainless Steel Core Pin with HRC58 Hardness and ±0.002mm Accuracy for Medical Injection Molds

STAVAX Precision Core Pins are high-accuracy mold components used in medical injection molds to create internal holes, fine channels, and precision structural features in plastic parts. These core pins are specifically designed for medical-grade plastic molding applications that require excellent corrosion resistance, superior surface finish, and stable dimensional accuracy.

Manufactured from STAVAX ESR stainless mold steel, these core pins offer outstanding corrosion resistance, excellent polishability, and high wear resistance, making them ideal for medical consumables and laboratory plastic production molds that operate under strict quality standards and continuous production cycles.

Core pins play a critical role in injection molds by forming internal cavities, holes, and functional structures inside molded plastic parts. In medical injection molding, these features often require extremely tight tolerances, smooth surfaces, and high repeatability to meet regulatory and quality requirements.

STAVAX ESR stainless mold steel is widely recognized in the medical molding industry due to its excellent material properties, including:

• High corrosion resistance
• Superior mirror polishing capability
• Good wear resistance for long production cycles
• Stable hardness and dimensional accuracy

Our STAVAX precision core pins are manufactured using advanced production processes such as CNC turning, precision grinding, micro machining, and high-level polishing, ensuring high dimensional accuracy and excellent surface finish.

Key product features include:

• Manufactured from STAVAX ESR stainless mold steel
• Excellent corrosion resistance for medical production environments
• High polish surface finish for precision molding
• Suitable for micro holes and precision internal features
• High dimensional stability for long production cycles
• Custom diameters, lengths, and head structures available
• Machining tolerance up to ± 0.005 mm

STAVAX precision core pins are widely used in medical injection molds and laboratory plastic tooling applications requiring high surface quality and dimensional accuracy.

Used for molds producing disposable medical plastic components such as connectors, caps, and small functional parts.

Applicable in molds producing diagnostic consumables, test components, and laboratory plastic accessories.

Used in molds producing precision plastic components used in pharmaceutical packaging systems.

Suitable for molds forming micro holes and fine plastic structures.

Ensures stable production performance in multi-cavity molds used for mass production of medical plastic components.

We manufacture high-precision mold components using advanced machining equipment and strict quality control systems.

Our capabilities include:

• High-precision CNC turning and milling
• Precision grinding and micro machining
• High-quality mirror polishing
• Professional vacuum heat treatment
• Precision dimensional inspection and quality control
• Machining tolerance up to ± 0.005 mm

STAVAX ESR stainless mold steel resists corrosion caused by humidity, plastic additives, and cleaning agents used in medical production environments.

Superior polishability enables smooth plastic flow and high-quality molded surfaces.

Precision machining ensures stable mold performance during long production cycles.

High wear resistance reduces maintenance and increases mold durability.

STAVAX precision core pins support reliable operation in complex and high-cavity medical injection molds.

To provide an accurate quotation for custom STAVAX precision core pins, please provide:

• 2D drawings or 3D CAD files
• Required core pin diameter and length
• Tolerance requirements
• Surface finishing or polishing requirements
• Material specification (STAVAX or equivalent)
• Quantity required
• Mold application details

Our engineering team will review your drawings and recommend the most suitable manufacturing solution.

Core pins are used to form internal holes, channels, and precision structures in molded plastic parts.

STAVAX ESR stainless mold steel provides excellent corrosion resistance, high polishability, and dimensional stability, which are important for medical injection molds.

Yes. Diameter, length, head structure, surface finish, and tolerances can be custom manufactured based on mold design drawings.

Our machining capability allows precision tolerances up to ±0.005 mm.

Yes. STAVAX precision core pins are designed for multi-cavity medical injection molds and high-volume production tools.