Material: Carbon steel
Property classes: 4, 8, 10, 12
Surface finishes: Plain, blue-white zinc plated, yellow zinc plated, hot-dip galvanized, black oxide, Dacromet
High-strength Dacromet coated hex nut is made of high-quality base material with a Dacromet treatment process, forming a hydrogen embrittlement-free, highly corrosion-resistant protective coating. No electroplating required, environmentally friendly with no heavy metal pollution. The nut offers excellent rust prevention, corrosion resistance, and high/low temperature performance while avoiding the hydrogen embrittlement risk of traditional electroplating. Suitable for automotive, marine, aerospace, precision machinery, and other applications with extremely high fastener performance requirements, especially ideal for long-term use in high-strength, highly corrosive environments.