H13 Die Steel Core Inserts | Precision Bottle Cap Injection Tooling

Product Overview

The Die Steel High Integrity Core Insert is a precision-machined mold component developed for bottle cap injection tooling operating under high cycle and high cavity conditions. Manufactured from premium die steel and processed with controlled heat treatment, this core insert delivers stable dimensional integrity, reliable demolding performance, and long service life in cap molding applications.

Key Features & Technical Advantages

• Manufactured from high-grade die steel for structural stability

• Optimized heat treatment for balanced hardness and toughness

• Precision CNC machining ensures tight dimensional control

• High integrity design minimizes deformation under injection pressure

• Suitable for high-speed, multi-cavity bottle cap molds

• Fully customized according to customer drawings (Built-to-Print OEM)

Applications & Industry Use

• Bottle cap injection molds

• Multi-cavity closure molds

• Packaging cap molds for high-output production

• Injection tooling requiring long-term dimensional consistency

Mold Structure & Design Description

The core insert is positioned in the forming area of bottle cap molds, responsible for defining internal geometry and functional features. The die steel structure provides sufficient rigidity to withstand repeated injection pressure while maintaining consistent part geometry. Insert geometry, cooling interfaces, and assembly tolerances are designed according to specific mold layouts and production requirements.

Manufacturing Capability & CNC Machining Capacity

Senlan Precision produces die steel core inserts using advanced CNC machining and controlled process workflows:

• High-precision machining centers from MAKINO

• CNC turning and milling equipment from HARDINGE

• Dedicated heat treatment coordination for die steel materials

Each component is manufactured with strict process control to ensure repeatability and long-term mold performance.

Custom Development & OEM Cooperation Process

1. Review of customer drawings and technical specifications

2. Die steel grade and heat treatment confirmation

3. CNC machining and precision finishing

4. Dimensional inspection and functional verification

5. Final cleaning, packaging, and delivery

All projects follow a custom OEM / Built-to-Print manufacturing model.

Quality Control & Export Experience

• Incoming material inspection and traceability

• In-process dimensional checks at critical stages

• Final inspection based on customer drawings and tolerance requirements

• Export-oriented packaging suitable for international shipment

• Experience supplying mold components to overseas packaging mold manufacturers

Inspection reports are available upon request.

Related Products

• Bottle cap mold core inserts

• Injection mold cavity inserts

• Multi-cavity mold components

• Custom die steel mold parts

FAQ (Technical & Purchasing)

Q1: What die steel grades are available for this core insert?
A: Common die steel grades can be supplied based on customer requirements and mold working conditions.

Q2: Is this core insert suitable for high-cavity cap molds?
A: Yes. The structure and material are designed for high-cavity, high-cycle injection molds.

Q3: Can you manufacture according to existing mold samples?
A: Yes. Inserts can be produced based on drawings or verified samples.

Q4: Do you provide replacement inserts for existing molds?
A: Yes. Replacement core inserts are supported with dimensional matching.

Get a Quote

Please send your drawings or technical specifications to Senlan Precision to receive a professional quotation for die steel core inserts used in bottle cap injection tooling.