H13 (SKD61) Nitrided Die Casting Parts | ±pm$0.01mm Precision Core Pins & Sleeves

Product Overview

SKD61 nitrided HPDC core pins and sleeves are precision die casting mold components designed for injection mold systems requiring high thermal stability, wear resistance, and tight dimensional control. Manufactured through precision CNC machining and controlled nitriding processes, these components achieve stable tolerances up to ±0.01 mm. All parts are custom produced strictly according to customer drawings and technical specifications.

Key Features & Technical Advantages

• Manufactured from SKD61 (H13 equivalent) hot work tool steel

• Nitriding surface treatment for enhanced wear resistance and service life

• Tight dimensional control with tolerance capability up to ±0.01 mm

• Stable geometry under high thermal and mechanical loads

• Suitable for HPDC mold applications with repeated cycles

• Consistent surface condition for reliable molding and demolding

• Fully customized / OEM / Built-to-Print manufacturing

Applications & Industries

These SKD61 nitrided core pins and sleeves are widely used in:

• Injection molds for packaging caps and closures

• Mold systems for bottle caps and sealing components

• Medical packaging molds and syringe-related tooling

• Industrial HPDC molds requiring stable alignment and wear control

They are especially suitable for applications requiring tight tolerances, surface durability, and repeatable mold performance.

Mold Structure & Design Description

Core pins and sleeves manufactured from SKD61 are installed as functional components within HPDC and injection mold assemblies.
Key design considerations include:

• Accurate pin and sleeve geometry with controlled concentricity

• Proper fit and alignment between core pins and sleeves

• Structural strength to withstand injection pressure and thermal cycling

• Compatibility with multi-cavity and modular mold structures

All components are designed and manufactured strictly according to customer drawings to ensure correct assembly and stable mold operation.

Manufacturing Capability & CNC Machining

Senlan Precision manufactures SKD61 nitrided HPDC mold components using advanced CNC machining and finishing technologies.
Our production facilities are equipped with high-precision machining centers and CNC systems from MAKINO (Japan) and HARDINGE (USA), along with precision inspection equipment, enabling:

• Stable machining tolerance control up to ±0.01 mm

• Accurate concentricity and straightness for pins and sleeves

• Consistent surface quality prior to nitriding

• Reliable repeatability across production batches

Nitriding is applied after machining to improve surface hardness while maintaining core toughness.

Custom Manufacturing & OEM Cooperation

We specialize in custom manufacturing and OEM cooperation, supporting:

• Built-to-Print production from 2D drawings or 3D models

• Customized dimensions for core pins and sleeves

• Material selection and nitriding process control

• Small-batch prototyping and volume production

• Long-term supply of replacement and spare mold components

Technical communication is maintained throughout the project to ensure accurate execution of customer specifications.

Quality Control & Export Experience

With over 20 years of experience in exporting precision mold components, Senlan Precision operates a structured quality control system:

• Incoming material inspection and traceability

• In-process dimensional inspection during machining

• Tolerance and concentricity verification

• Surface hardness inspection after nitriding

• Final inspection prior to shipment with full documentation

We are experienced in international technical communication, quality requirements, and export packaging standards.

Related Mold Components

• HPDC mold core pins

• Precision mold sleeves

• Nitrided mold inserts

• Multi-cavity mold spare parts

All related components are available on a custom manufacturing basis.

Technical FAQ

Q1: Are SKD61 core pins and sleeves manufactured strictly according to drawings?
Yes. All components are produced strictly based on customer-provided drawings and specifications.

Q2: Why is nitriding applied to SKD61 mold components?
Nitriding increases surface hardness and wear resistance while maintaining core toughness, suitable for high-cycle HPDC molds.

Q3: What tolerance levels can be supported?
Dimensional tolerances up to ±0.01 mm can be achieved depending on geometry and size.

Q4: Can these components be supplied as replacement parts for existing molds?
Yes. Replacement and interchangeable core pins and sleeves can be manufactured to match existing mold designs.

Request a Quotation

For pricing, lead time, or technical discussion regarding SKD61 nitrided HPDC core pins and sleeves with ±0.01 mm tolerance, please provide your drawings or technical specifications.
Our engineering team will review your requirements and provide a professional quotation accordingly.