Precision Die Casting Mold Core Pins | 0.005mm Concentricity & Axiality

Product Overview

Customized polish die casting mold parts screw core pins are precision functional components used in injection molding systems where axial accuracy and surface integrity are critical. Senlan Precision manufactures screw core pins strictly according to customer drawings, achieving axiality up to 0.005 mm, with controlled polishing processes to ensure stable molding performance and consistent part release.

Key Features & Advantages

• Built-to-print manufacturing based on customer drawings

• Axiality control up to 0.005 mm for precision mold alignment

• Precision polishing for smooth surface and reduced wear

• Stable geometry for repeated molding cycles

• Suitable for complex threaded or screw-type core structures

• Compatible with multi-cavity and high-output mold systems

Applications / Industry Use

• Plastic bottle and container molding

• Cap, closure, and threaded component molds

• Medical consumables and disposable product tooling

• Precision packaging injection mold systems

• High-cycle and multi-cavity injection molds

Mold Structure & Design Description

Screw core pins are critical mold components used to form internal or external threads in injection-molded plastic parts. These components require strict control of axiality, concentricity, and surface finish to ensure accurate demolding and dimensional consistency. Senlan Precision produces screw core pins with optimized structural design to maintain alignment within the mold assembly and ensure stable rotation or linear movement during molding operations.

Manufacturing Capability & CNC Machining

Senlan Precision operates advanced CNC machining and finishing systems, including equipment from MAKINO (Japan) and HARDINGE (USA).
Our machining capabilities include:

• High-precision CNC turning and milling

• EDM and wire-cut processing for complex geometries

• Precision grinding and controlled polishing

• Tight tolerance control for axiality and concentricity

• Consistent production for prototype and serial orders

Custom Development & OEM Process

1. Customer provides drawings, 3D models, or specifications

2. Engineering review for manufacturability and tolerance feasibility

3. Material and surface treatment confirmation

4. Precision machining and in-process inspection

5. Final dimensional and axiality verification

6. Packaging and export shipment

All projects follow a strict Built-to-Print OEM workflow without unauthorized design changes.

Quality Control & Export Experience

• Incoming raw material inspection and traceability

• In-process monitoring of critical dimensions

• Final inspection using calibrated measuring equipment

• Documentation aligned with export quality requirements

• Experience supplying precision mold components to overseas customers

Related Products

• Threaded core inserts

• Mold core pins and sleeves

• Precision cavity inserts

• Multi-cavity mold components

• Custom non-standard mold parts

FAQ – Technical & Purchasing

Q1: Can you guarantee 0.005 mm axiality?
Axiality requirements are evaluated during engineering review. We manufacture strictly according to approved drawings and tolerance specifications.

Q2: Do you only produce based on customer drawings?
Yes. All screw core pins are produced strictly to customer-provided drawings or models.

Q3: Are polished surfaces suitable for high-cycle molds?
Yes. Polishing processes are selected to balance surface quality and wear resistance for long-term use.

Q4: Do you support prototype and small batch orders?
Yes. Prototype, pilot, and serial production are all supported.

Request a Quote

For quotation or technical consultation, please provide your drawings, material requirements, surface finish specifications, and order quantity.
Our engineering team will review your request and respond with a technical and commercial proposal.