SHUANGHAO Machinery is a leading manufacturer and supplier of high-precision bottle cap molds for the global packaging industry. Specializing exclusively in the design and production of advanced bottle cap tooling, we provide comprehensive, customized solutions for manufacturers worldwide . With years of technical expertise and a strong commitment to research and development, we offer state-of-the-art molds that enable customers to produce high-quality plastic caps efficiently and cost-effectively. Our comprehensive product range serves the beverage, food, pharmaceutical, personal care, and household chemical sectors with tooling designed for optimal performance, precision engineering, and long-term reliability .
SHUANGHAO Machinery proudly presents our Custom High-Efficiency 38mm Oil Cap Mold—a precision-engineered tooling solution designed specifically for the high-volume production of 38mm oil caps and lubricant closures. The 38mm neck finish is a standard size in the automotive, industrial, and household chemical industries, widely used for motor oil bottles, lubricant containers, and various chemical packaging applications . Our custom mold delivers exceptional productivity, consistent quality, and reliable performance for manufacturers serving these demanding markets.
1. Standard 38mm Design for Market Needs
Our mold is precision-engineered to produce standard 38mm oil caps and lubricant caps, ensuring perfect compatibility with most containers in the market . Each cap, whether a simple screw-top or one with an internal seal, meets exact dimensional and performance specifications for a leak-proof closure .
2. Multi-Cavity Configurations
SHUANGHAO offers various cavity configurations to match your production requirements:
16-cavity hot runner system: Delivering "one-shot, 16-caps" capability for maximum productivity
24 to 48-cavity options: Available for higher volume requirements
Custom cavity counts: Tailored to your specific production goals
3. Advanced Hot Runner Technology
The heart of this system is its advanced hot runner design:
Individual nozzle temperature control ensuring perfect melt balance across all cavities
100% material utilization with no waste from sprues or runners
Significantly reduced cycle times for increased output
Balanced flow design ensuring uniform filling, packing, and cooling in all cavities
4. Premium Material Construction
Built for durability and long-term performance:
Core and cavity inserts: High-grade hardened steels such as H13 and S136 for exceptional wear and corrosion resistance
Mold base: P20 or 45# pre-hardened steel ensuring structural integrity
Extended mold life: Designed for millions of injection cycles with proper maintenance
5. Optimized Cooling System
Efficient cooling is essential for fast cycle times and consistent cap quality:
Optimized cooling circuitry enabling faster heat removal and shortened cycle times
Efficient waterway system reducing production cycles to as low as 12 seconds
Uniform temperature distribution ensuring dimensional stability
6. Automation-Ready Design
Our molds are designed for seamless integration with:
Robotic part-removal systems for full automation and reduced labor costs
Injection molding machines from all major manufacturers
Downstream assembly equipment for caps requiring additional components
Automotive Industry: Motor oil bottles and lubricant containers
Industrial Sector: Industrial lubricants and chemical packaging
Household Products: Cleaning solutions and household chemicals
Food Industry: Edible oil containers requiring 38mm closures
Specialized expertise: Deep focus on cap mold manufacturing with end-to-end solutions from design to support
Proven quality: Rigorous testing and inspection on every mold
Cost-effectiveness: Higher output and reduced waste lowering your cost-per-part
Long-term durability: Premium materials and craftsmanship ensuring extended service life
Expert support: Comprehensive technical support and responsive after-sales service
Customization capabilities: Tailored solutions for specific resin, machine, and production goals
SHUANGHAO Machinery's Custom High-Efficiency 38mm Oil Cap Mold represents the ideal solution for manufacturers seeking reliable, high-performance tooling for lubricant and industrial closure production. Contact us today to discuss your requirements.