Mirror Polished S136 Core Pins | Precision Mold Parts for Cosmetic Packaging

Product Overview

S136 mold core pins for cosmetic packaging are precision injection mold components designed for applications requiring corrosion resistance, surface integrity, and dimensional stability. Manufactured from S136 stainless tool steel and finished through precision grinding processes, these core pins support stable molding performance and consistent cavity quality. All components are custom produced strictly according to customer drawings and technical specifications.

Key Features & Technical Advantages

• Manufactured from S136 stainless mold steel

• Excellent corrosion resistance for packaging mold environments

• Precision grinding for tight dimensional control

• Stable geometry suitable for multi-cavity injection molds

• Consistent surface quality for reliable demolding

• Long service life in high-cycle production

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

Applications & Industries

These S136 mold core pins are commonly used in:

• Injection molds for cosmetic packaging components

• Plastic caps, closures, and dispensing system molds

• High-finish packaging mold assemblies

• Medical and hygiene-related packaging molds

They are suitable for applications where surface quality, corrosion resistance, and repeatable accuracy are required.

Mold Structure & Design Description

S136 mold core pins are installed on the core side of injection molds to form internal features of cosmetic packaging parts.
Key design considerations include:

• Accurate pin diameter and functional geometry

• Proper fit with cavity inserts and mold plates

• Structural stability under injection pressure

• Compatibility with replaceable and modular mold designs

All core pins are manufactured strictly in accordance with customer drawings to ensure correct assembly and stable mold operation.

Manufacturing Capability & CNC Machining

Senlan Precision produces S136 mold core pins using advanced CNC machining and precision grinding processes.
Our manufacturing facilities are equipped with high-precision machining centers from MAKINO (Japan) and HARDINGE (USA), enabling:

• High-accuracy CNC turning and milling

• Precision grinding for critical dimensions

• Stable tolerance control across production batches

• Consistent surface finish for functional mold components

Machining routes are optimized based on geometry, tolerance requirements, and mold application.

Custom Manufacturing & OEM Cooperation

We specialize in custom manufacturing and OEM cooperation, offering:

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

• Customized sizes, tolerances, and surface finish requirements

• Prototype and volume production support

• Long-term supply of replacement mold core pins

• Technical communication throughout the project lifecycle

All projects are executed based on confirmed technical documentation.

Quality Control & Export Experience

With more than 20 years of experience in exporting precision mold components, Senlan Precision applies a structured quality control system:

• Incoming raw material inspection and traceability

• In-process dimensional inspection during machining

• Final inspection prior to shipment

• Complete inspection records and export documentation

We are experienced in international engineering communication and quality expectations.

Related Mold Components

• Precision mold core inserts

• Mold cavity inserts

• Mold sleeves and bushings

• Multi-cavity mold spare parts

All related components are available on a customized manufacturing basis.

Technical FAQ

Q1: Are S136 mold core pins manufactured strictly according to drawings?
Yes. All core pins are produced strictly based on customer-provided drawings and technical specifications.

Q2: Why is S136 suitable for cosmetic packaging molds?
S136 offers good corrosion resistance and stable surface quality, making it suitable for packaging mold environments.

Q3: Can replacement core pins be supplied for existing molds?
Yes. Replacement and interchangeable core pins can be manufactured to match existing mold designs.

Q4: What surface finish levels can be achieved?
Surface finish depends on design requirements and can be defined during technical review.

Request a Quotation

For pricing, lead time, or technical consultation regarding S136 precision mold core pins for cosmetic packaging injection molds, please provide your drawings or technical specifications.
Our engineering team will review your requirements and provide a professional quotation.