These self-tapping screws comply with national standard systems including GB/T 2670.1 and GB/T 16824.1, as well as international equivalent standards such as ISO 7380 and ISO 14585.

Carbon steel materials are categorized into strength grades ranging from 4.8 to 12.9. For example, the 8.8 grade features a tensile strength of at least 640MPa. Stainless steel is commonly available in the 304/410 series.

Metal Connection: These fasteners are commonly used for securing thin metal components such as steel plates, aluminum plates, and iron sheets. They are frequently employed in applications including building wall panels and ventilation ducts.

Non-Metallic Reinforcement: Designed for creating threads in materials like plastics, composite materials, and wood without requiring metal inserts. They are extensively utilized in furniture assembly and for constructing electronic device casings.

Carton Packaging: Bolts are packed in neutral packaging boxes, with standard quantities arranged in small cartons. The exact number of units per carton will be confirmed with the customer to align with their specific requirements. Customized packaging configurations are available upon request.

Outer Cartonbox Packaging: The small cartons are then consolidated into larger master cartons for secure transportation and storage. The quantity per master carton can be customized based on client specifications or aligned with standard logistical requirements.

Pallet Packaging: The palletized units are securely wrapped with waterproof film and reinforced with packaging straps. Customer-specific shipping marks or labels are affixed to each pallet, ensuring clear identification and compliance with logistics requirements. This final packaging stage guarantees weather-resistant protection and stability during transportation.