1.2379 (D2) Steel Thread Cores | Precision Mold Parts for Medical Bottle Caps

Product Overview

1.2379 steel thread core mould parts are precision-machined components designed for threaded plastic medicine bottle cap moulds. Manufactured by Senlan Precision strictly according to customer drawings, these cores deliver high wear resistance, stable thread geometry, and consistent performance in multi-cavity injection moulding environments.

Key Features & Advantages

• 1.2379 Cold Work Tool Steel (D2 Equivalent)
  High hardness, excellent wear resistance, and long service life.

• Precision Thread Profile Machining
  Accurate thread form for reliable cap assembly and repeatability.

• Dimensional Stability
  Suitable for long production runs in high-cycle moulds.

• Surface Finish Control
  Optimized for reduced friction and smooth demoulding.

• Built-to-Print Manufacturing
  Fully customized production based on customer drawings and specifications.

Application Scenarios / Industry Use

• Plastic medicine bottle cap moulds

• Pharmaceutical packaging mould systems

• Multi-cavity threaded cap moulds

• Precision packaging mould tooling

• Medical packaging component production

Mold Structure & Design Description

The thread core is a critical functional component responsible for forming internal or external threads in plastic medicine bottle caps. Using 1.2379 steel ensures resistance to abrasion caused by repeated mould cycles and reinforced plastics. Senlan Precision focuses on thread accuracy, concentricity, and surface integrity to ensure consistent cap fit and mould reliability.

Manufacturing Capability & CNC Machining

Senlan Precision maintains strict process control across all machining stages:

• High-precision CNC machining centers from MAKINO

• CNC turning and milling equipment from HARDINGE

• Precision grinding for thread and core geometry

• Controlled heat treatment for hardness stability

• Capability for prototype, small batch, and volume production

Custom Development / OEM Cooperation Process

1. Drawing & Requirement Review
   Material grade, thread standard, tolerances, and mould structure

2. Engineering Evaluation
   Thread form feasibility and wear considerations

3. Process Planning
   CNC machining, heat treatment, and finishing sequence

4. Production & In-Process Inspection
   Dimensional and thread accuracy verification

5. Final Inspection & Delivery
   Export-standard packaging with full traceability

All projects follow OEM and Built-to-Print manufacturing principles.

Quality Control & Export Experience

• Raw material certification and verification

• In-process dimensional and thread inspection

• Final quality inspection before shipment

• Stable export supply to European and North American mould manufacturers

• Consistent quality standards for medical and packaging mould components

Related Products

• Precision Thread Core Inserts

• Medical Packaging Mold Components

• Multi-Cavity Mold Core Parts

• Injection Mold Threaded Inserts

• Custom Mold Tooling Components

Frequently Asked Questions (FAQ)

Q1: Are these thread cores standard items?
No. All thread cores are custom-manufactured according to customer drawings.

Q2: Why choose 1.2379 steel for thread cores?
It provides high wear resistance and dimensional stability for threaded mould applications.

Q3: Can different thread standards be manufactured?
Yes. Metric, custom, and application-specific thread profiles are supported.

Q4: Are these suitable for multi-cavity moulds?
Yes. The material and machining process support stable performance in high-cavity mould systems.

Get a Quote

Please provide your drawings, material requirements, thread specifications, and order quantity.
Our engineering team will review your project and provide a technical quotation with lead time.