1*2 Cavity Cavity 738H HRC35-40 Mold Steel Injection Plastic Mold Large Runner Large Main Runner Plastic Button Parts Injection Moulding

1*2 Cavity Cavity 738H HRC35-40 Mold Steel Injection Plastic Mold Large Runner Large Main Runner Plastic Button Parts Injection Moulding

This custom injection mold is purpose-built for manufacturing plastic button parts, featuring a practical 1*2 cavity layout for balanced production capacity. Constructed from high-quality 738H pre-hardened mold steel (HRC35-40), the mold is designed with a robust large main runner system to ensure consistent material flow, even for detailed button features like texturing, logos, or snap-fit structures. As a direct mold maker, we tailor every aspect of the mold to your specific button design, ensuring reliable performance, minimal scrap rates, and a long service life for small to medium-scale production.

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Model:
25138
Brand:
YIXUN mold
Code:
8480419090

Product Description

Key Selling Points

✅ Balanced 1*2 Cavity Design: 2-cavity configuration balances production efficiency with low-volume flexibility, ideal for plastic button manufacturing

✅ Premium 738H Mold Steel: Pre-hardened 738H steel (HRC35-40) delivers excellent polishability, wear resistance, and dimensional stability for long mold life

✅ Large Main Runner System: Optimized large runner design ensures uniform melt flow, eliminates short shots, and reduces defects for complex button geometries

✅ Cost-Effective & Versatile: Ideal for small to medium production runs, with a mold structure tailored for fast cycle times and easy maintenance

✅ Precision for Plastic Buttons: Mold engineered to produce consistent, high-quality plastic buttons with tight tolerances for clothing, accessories, and industrial applications

✅ Direct Factory Support: Full in-house design, mold trial, and customization services to meet your exact button specifications

Product Overview

This custom injection mold is purpose-built for manufacturing plastic button parts, featuring a practical 1*2 cavity layout for balanced production capacity. Constructed from high-quality 738H pre-hardened mold steel (HRC35-40), the mold is designed with a robust large main runner system to ensure consistent material flow, even for detailed button features like texturing, logos, or snap-fit structures. As a direct mold maker, we tailor every aspect of the mold to your specific button design, ensuring reliable performance, minimal scrap rates, and a long service life for small to medium-scale production.

Detailed Specifications

Specification	Details
Mold Type	Injection Mold for Plastic Button Parts
Cavity Configuration	1*2 Cavity (2-Cavity)
Mold Steel (Core & Cavity)	738H Mold Steel (Pre-Hardened)
Hardness	HRC 35-40
Runner System	Large Main Runner (Cold Runner System)
Molded Materials	Compatible with PP, ABS, PS, AS, and other common thermoplastics
Mold Life Expectancy	500,000+ Cycles (Under standard production conditions)
Surface Finish	Customizable (SPI/VDI textures, polished, or matte as required for button appearance)
Applications	Clothing buttons, garment accessories, consumer goods buttons, industrial fasteners
Lead Time	30-45 Days (Depends on design complexity and customer approval)
Quality Control	100% mold trial, dimensional inspection, surface finish verification, and sample approval
Certification	ISO 9001 Compliant Manufacturing Process

Core Advantages

1. 738H Steel: The Ideal Choice for Button Molds

738H is a widely trusted pre-hardened mold steel, perfectly suited for plastic button production:

Excellent Polishability: Achieves smooth, defect-free surfaces for buttons, ideal for glossy, matte, or textured finishes (including embossed logos and patterns)
Balanced Hardness (HRC35-40): Offers sufficient wear resistance for repeated injection cycles while maintaining excellent dimensional stability, reducing the risk of deformation
Cost-Effective & Easy to Machine: Faster lead times for mold modification or repair, with consistent performance for small to medium production volumes

2. Large Main Runner System for Reliable Production

The large main runner design is a key feature for plastic button manufacturing:

Uniform Melt Flow: Eliminates flow restrictions, ensuring consistent filling of both cavities, even for buttons with complex geometries or fine details
Reduced Defects: Minimizes short shots, weld lines, and sink marks, critical for maintaining the aesthetic quality of visible button parts
Stable Process: The robust runner system allows for more forgiving injection parameters, reducing scrap rates and simplifying production setup

3. 1*2 Cavity Design: Flexibility Meets Efficiency

The 2-cavity configuration strikes the perfect balance for button production:

Low-Volume Compatibility: Ideal for small-batch orders or new product launches, without the high upfront cost of multi-cavity molds
Cost-Effective Tooling: Lower initial mold investment compared to 4+ cavity designs, with faster production and simpler maintenance
Parallel Production: Both cavities produce identical parts, ensuring consistent quality and reducing the risk of production delays

4. Tailored for Plastic Button Applications

The mold is optimized to handle the unique requirements of plastic button parts:

Tight Tolerances: Designed to maintain precise dimensions for button holes, snap fits, and interlocking features
Aesthetic Flexibility: Supports a wide range of surface finishes, from high-gloss polished to matte or textured, to match your brand’s design requirements
Material Versatility: Compatible with common button materials (PP, ABS, PS, AS), allowing you to choose the best resin for your application (e.g., food-safe, impact-resistant, or decorative grades)

Applications

This mold produces high-quality plastic buttons for a wide range of industries:

Clothing and fashion accessories (jeans buttons, shirt buttons, coat fasteners)
Home textiles (curtain buttons, bedding fasteners)
Consumer goods (bag closures, toy parts, stationery accessories)
Industrial applications (light-duty fasteners, equipment covers)

Why Choose Us as Your Direct Mold Maker?

✅ Custom Design Expertise: We optimize your button geometry for moldability, including draft angles, wall thickness, and gate placement to reduce defects

✅ In-House Mold Trials: Full mold testing with sample parts for your approval before mass production, ensuring the mold meets your quality standards

✅ Competitive Factory Pricing: Direct-to-customer rates with no middleman fees, transparent quotes, and flexible production timelines

✅ Responsive After-Sales Support: Technical guidance for mold maintenance, troubleshooting, and modifications

✅ Global Shipping: Secure plywood packaging and worldwide delivery options, with tracking and customs support as needed

FAQ

Q1: What is the typical mold life for a 738H button mold?

A1: With proper maintenance, the mold is rated for over 500,000 cycles, making it ideal for long-term small to medium production runs.

Q2: Can the mold be modified for different button sizes or designs?

A2: Yes, the modular design allows for cavity inserts or runner adjustments to accommodate different button specifications, minimizing re-tooling costs.

Q3: Why use a large main runner instead of a hot runner for this mold?

A3: For small parts like buttons, a large cold runner is more cost-effective, simpler to maintain, and avoids the complexity of hot runner systems, while still ensuring reliable flow.

Q4: What surface finishes are available for the buttons?

A4: We offer a full range of finishes, including SPI-A2/A3 high-gloss polish, SPI-B semi-gloss, SPI-C matte, and custom VDI textures, to match your desired appearance.

Plastic Button Parts Injection Moulding 1*2 Cavity Cavity 738H HRC35-40 Mold Steel