
Plastic Head Hot DIP Galvanized Tank Bolt. Enhanced Durability Coating: Environmentally friendly, heat-resistant, and corrosion-resistant thickened coating for long-term protection. Wide Size Availability: Multiple metric (M12) and imperial (1/2 UNC) lengths in stock for immediate delivery. Customization Options: Custom screws, bolts, and special nuts available with drawing and sample production. ISO 9001 Certification: Manufacturing process certified under ISO 9001:2015 for consistent quality assurance. Comprehensive Accessories: Optional hex nuts, steel washers, rubber washers, and plastic protective caps available. Free Sample Policy: Free samples for standard fasteners; new customers cover express shipping costs. Global Industry Experience: Over 35 years of experience serving clients in more than 80 countries worldwide. OEM/ODM Services: Full OEM and ODM capabilities for custom fastener solutions and special requirements.