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
Made of high-quality carbon steel with a built-in nylon insert, providing strong locking and effective vibration-resistant anti-loosening performance. Black oxide finish offers a uniform matte appearance, good wear resistance, and smooth assembly. Cost-effective and versatile. Suitable for indoor machinery, home appliances, transmission devices, hardware components, and other general environments. High cost-performance and stable assembly.