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STAVAX Precision Tapered Core Pins for Medical Injection Molds
STAVAX Precision Tapered Core Pins are specialized mold components designed for high-precision medical injection molding applications. These tapered core pins are used to form small holes, thin internal channels, and precision cavities in plastic medical parts.
Manufactured from STAVAX (Uddeholm Stavax ESR stainless tool steel), these core pins provide excellent resistance to wear, corrosion, and high temperatures during continuous injection molding cycles. The tapered geometry improves mold release performance and ensures high dimensional accuracy for delicate molded components.
Precision tapered core pins are widely used in molds producing medical consumables, laboratory plastics, and precision-structured plastic components, where dimensional stability and surface quality are critical.
Product Features
Made from STAVAX stainless tool steel (S136 ESR equivalent)
Superior corrosion resistance for medical and cleanroom environments
Excellent wear resistance and dimensional stability
Precision tapered geometry for improved mold release
Vacuum heat treatment (HRC 48-52 typical for STAVAX)
Dimensional tolerance up to ±0.005 mm
Strict quality inspection
Why STAVAX Material?
Corrosion Resistance for Medical Use: STAVAX stainless steel is ideal for medical molds requiring anti-rust and cleanroom compatibility.
Superior Surface Finish: Supports mirror polishing, critical for medical and optical plastic parts.
Long Service Life: Excellent wear and corrosion resistance reduce maintenance frequency.
Stable Precision in High Cavitation: Maintains dimensional stability in long-term, high-volume production.
What We Need for Quotation
2D drawings or 3D CAD files
Required taper angle, diameter, and length
Tolerance requirements
Material: STAVAX / S136 ESR
Surface finishing requirements
Quantity needed
Mold application details
Frequently Asked Questions
What is the function of tapered core pins in injection molds?
Tapered core pins are used to create small internal holes or precision features in plastic parts while improving part release during mold opening.
Why are tapered core pins used in medical molds?
Medical components often require very small and precise features, and tapered pins help ensure accurate molding and easy demolding.
Why is STAVAX used for these pins?
STAVAX provides excellent corrosion resistance, polishability, and wear resistance, making it ideal for medical and high-precision injection molding applications.
Can tapered core pins be customized?
Yes. Diameter, taper angle, length, and head structure can all be custom-manufactured based on mold design drawings.
What machining tolerance can you achieve?
Our precision machining capability allows tolerances up to ±0.005 mm for mold components.
