Bohler M340 Stainless Steel Micro Taper Core Pin with ±0.002mm Precision for Medical Injection Molds

Ultra-precision mold components designed for medical injection molds that require extremely fine holes, micro channels, and tapered internal geometries.

M340 Micro Taper Core Pins are specialized components manufactured from Bohler M340 stainless mold steel, providing excellent corrosion resistance, high hardness, and superior dimensional stability for medical mold tooling operating under strict production and hygiene requirements.

Their micro-scale tapered structure enables reliable molding of extremely small features while maintaining consistent accuracy in high-volume medical production.

Micro taper core pins form very small, tapered holes or precision internal structures inside plastic parts, commonly used in medical connectors, micro-fluidic components, precision caps, and laboratory consumables.

• Outstanding corrosion resistance
• High hardness and wear resistance
• Excellent polishing capability
• Stable microstructure for precision machining

• Manufactured from Bohler M340 stainless mold steel
• Designed for micro holes and tapered structures
• Excellent corrosion resistance for medical environments
• High surface finish suitable for precision molding
• Stable dimensional performance in high-cycle molds
• Custom diameters, taper angles, and lengths available
• Precision machining tolerance up to ±0.005 mm

• Medical Consumables: Precision disposable medical components such as connectors, small caps, and medical device plastic parts
• Micro-Fluidic Components: Micro channels and small fluid pathways used in diagnostic equipment
• Laboratory Plastic Products: Test components, laboratory accessories, and analytical plastic parts
• Pharmaceutical Packaging Components: Small precision structures in pharmaceutical plastic packaging systems
• Micro Injection Molding: Very fine plastic features and micro-scale holes

• High-precision CNC turning and micro machining
• Precision grinding for micro diameters
• Advanced micro polishing
• Professional vacuum heat treatment
• Dimensional inspection using precision measurement equipment
• Machining accuracy up to ±0.005 mm

• Micro Feature Accuracy: Precision taper geometry allows molds to produce very small internal features without deformation
• Corrosion Resistance: M340 stainless mold steel resists corrosion caused by moisture, cleaning agents, and aggressive plastics
• Consistent Mold Performance: High dimensional stability ensures reliable operation during long production cycles
• Improved Mold Durability: Wear resistance extends the service life of micro mold components
• Suitable for Complex Medical Mold Designs: Supports high-precision and high-cavity medical injection mold systems

To provide an accurate quotation for custom M340 micro taper core pins, please provide:

• 2D drawings or 3D CAD files
• Core pin diameter, taper angle, and length
• Tolerance requirements
• Surface finishing or polishing requirements
• Material specification (M340 or equivalent)
• Required quantity
• Mold application details

Micro taper core pins are used to form very small tapered holes and internal micro structures in molded plastic components.

M340 stainless mold steel provides excellent corrosion resistance, high hardness, and superior polishability, making it suitable for medical mold tooling.

Yes. We can manufacture custom diameters, taper angles, lengths, and head structures based on mold drawings.

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

Yes. M340 micro taper core pins are specifically designed for micro injection molding and high-precision medical molds.

Need custom micro taper core pins for medical injection molds? Send us your technical drawings or CAD files, and our engineering team will evaluate your design and provide the best manufacturing solution.