dacromet coating bolt
Dacromet coating bolts represent a significant advancement in fastener technology, offering superior protection against corrosion and environmental degradation. These specialized fasteners feature a unique metallic coating composed of zinc and aluminum flakes suspended in a chromium-free inorganic matrix. The coating process involves applying multiple layers through dip-spin technology, followed by a carefully controlled curing process that creates a uniform, dense protective barrier. This innovative coating system provides exceptional resistance to chemical exposure, salt spray, and extreme weather conditions, making it ideal for demanding industrial applications. The coating thickness typically ranges from 5 to 15 micrometers, ensuring optimal performance without compromising the bolt's dimensional accuracy. Dacromet coated bolts maintain their protective properties even when subjected to mechanical stress and demonstrate remarkable durability with a service life often exceeding 1,000 hours in salt spray testing. These bolts are particularly valued in automotive, construction, and marine applications where long-term reliability and corrosion resistance are essential. The coating's self-healing properties help prevent rust formation at cut edges or scratched areas, while its uniform application ensures consistent performance across the entire fastener surface.