1+1 Convert Sprue PA6 Material Large Sprue Submarine Gate 2344 HRC48-52 Steel Plastic Thread Mold OEM Moulding

This is a high-precision OEM custom plastic thread injection mold engineered for PA6 nylon components, featuring a flexible 1+1 convert sprue system. Built with premium 1.2344 mold steel hardened to HRC 48-52, this mold uses a large sprue runner and submarine gate design to produce clean, burr-free threaded plastic parts with tight dimensional accuracy.
The unique 1+1 sprue conversion system allows switching between single-cavity and dual-cavity production modes, making it ideal for both prototyping and high-volume manufacturing of threaded fasteners, connectors, and structural components.
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  • 24017

  • YIXUN mold

  • 8480419090

Product Overview

This is a high-precision OEM custom plastic thread injection mold engineered for PA6 nylon components, featuring a flexible 1+1 convert sprue system. Built with premium 1.2344 mold steel hardened to HRC 48-52, this mold uses a large sprue runner and submarine gate design to produce clean, burr-free threaded plastic parts with tight dimensional accuracy.
The unique 1+1 sprue conversion system allows switching between single-cavity and dual-cavity production modes, making it ideal for both prototyping and high-volume manufacturing of threaded fasteners, connectors, and structural components.

Mold Specifications

Parameter Details
Mold Type OEM Custom Plastic Thread Injection Mold
Sprue System 1+1 Convert Sprue (Single/Dual Cavity Switchable)
Compatible Material PA6 Nylon, Glass-Filled PA6, High-Toughness Engineering Plastics
Gate Type Submarine Hidden Gate (Automatic Break, No Residue)
Mold Steel 1.2344 Hot Work Tool Steel, HRC 48-52 Hardness
Surface Treatment Precision Polished Core & Cavity for Clear Thread Forming
Application Plastic threaded fasteners, connectors, structural parts, industrial threaded components
Key Capabilities Flexible production modes, precise thread forming, burr-free parts, long mold life

Plastic Thread Mold OEM Moulding


Core Features & Advantages

✅ 1+1 Convert Sprue System for Versatile Production
The mold’s 1+1 convert sprue design offers unmatched flexibility. It can operate in single-cavity mode for low-volume prototyping or small orders, or switch to dual-cavity mode to double production output. This eliminates the need for two separate molds, reducing tooling costs and lead times while maintaining consistent thread quality across all parts.
✅ Optimized for PA6 Nylon Material
PA6 is a widely used engineering plastic valued for its strength, toughness, and chemical resistance. This mold is specifically designed to handle PA6 and glass-filled PA6 resins, with a large sprue runner system that ensures smooth, uniform melt flow. It prevents common defects like short shots, flow marks, and warping, ensuring the final threaded parts retain their mechanical properties and dimensional stability.
✅ Submarine Hidden Gate for Clean, Burr-Free Threads
The mold uses a submarine hidden gate design, which automatically breaks during ejection, leaving no visible gate marks on the part. This eliminates the need for manual trimming or secondary finishing, saving labor costs and ensuring the threaded surfaces remain smooth and defect-free. The hidden gate also prevents gate-related stress marks that could compromise thread strength.
✅ Premium 1.2344 Mold Steel (HRC 48-52)
Constructed from high-quality 1.2344 hot work tool steel hardened to HRC 48-52, this mold offers exceptional wear resistance, high-temperature strength, and dimensional stability. It withstands the high pressures and temperatures of PA6 molding, ensuring a long mold life with consistent thread precision even after thousands of production cycles.
✅ Precision Thread Forming
The mold features precision-machined thread inserts to ensure accurate pitch, diameter, and fit. The optimized cooling system ensures uniform cooling across the threaded sections, minimizing shrinkage and warpage. This results in threaded parts that meet tight tolerance requirements, making them suitable for assembly in industrial, automotive, and consumer applications.
✅ OEM Customization Support
This mold is fully customizable to your specific thread design, size, and production requirements. We offer comprehensive OEM services, from initial design consultation to mold testing and production support, ensuring the final mold meets your exact specifications for performance and quality.

Application Scope

This mold is ideal for manufacturing:
  • PA6 plastic threaded fasteners and bolts

  • Threaded connectors and fittings for industrial equipment

  • Structural threaded components for consumer and automotive applications

  • High-toughness threaded parts requiring chemical and wear resistance


Why Choose This Mold?

  • ✅ 1+1 convert sprue system for flexible single/dual cavity production

  • ✅ Optimized for PA6 and glass-filled PA6 materials

  • ✅ Submarine gate design for clean, burr-free threaded surfaces

  • ✅ 1.2344 HRC 48-52 steel for long mold life and consistent precision

  • ✅ Precision thread forming for tight tolerance requirements

  • ✅ Full OEM customization support for your unique thread designs


FAQ

Q: How does the 1+1 convert sprue system work?
A: The 1+1 convert sprue allows the mold to switch between single-cavity and dual-cavity operation. This lets you produce parts at low volumes with one cavity or scale up production with both cavities, using the same mold to meet changing demand.
Q: Can this mold handle glass-filled PA6?
A: Yes. The 1.2344 mold steel and optimized runner system are designed to withstand the abrasive nature of glass-filled PA6, ensuring long-term wear resistance and consistent thread quality.
Q: Is secondary finishing required for the threaded parts?
A: No. The submarine gate breaks cleanly during ejection, leaving no visible marks on the threaded surfaces. The precision-machined core and cavity produce smooth, accurate threads ready for assembly without additional trimming or processing.


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