Electroplating Process + Oil-Free Design: Adopts high-quality electroplating technology with a smooth, dense surface free of greasy residues. No hand or tool staining during handling and installation, ensuring a clean and efficient construction process.
200+ Hours Salt Spray Test Certified: Complies with ISO 9227:2022 (Neutral Salt Spray/NSS) standard, with corrosion resistance exceeding 200 hours. No red rust on the surface, and white rust ratio ≤ 3%, easily adapting to harsh environments such as outdoor humidity and coastal high salinity.
12.9 Grade High-Strength Hardcore Quality: Meets 12.9 grade hardness standards, with tensile strength and shear resistance far superior to ordinary bolts. Capable of withstanding high-strength fastening requirements for heavy machinery and industrial supports.
High-Precision Thread Engagement: Thread accuracy remains unaffected after electroplating, enabling smooth screwing without jamming. Features strong fastening force, no easy loosening or slipping, and is compatible with various nuts and connectors.
Strict Quality Control Assurance: Each batch of products undergoes sampling inspection. Coating thickness, salt spray resistance, thread precision and hardness indicators all meet international standards, ensuring stable and reliable quality.