SBJ 12 Pieces of Bolt with Nylock Nut are made from high-quality zinc, providing excellent corrosion resistance and durability for tractor rotavator blade mounting. These bolts ensure a secure, vibration-resistant fit, ideal for heavy-duty agricultural applications. The included Nylock nuts enhance locking strength to prevent loosening during operation. Perfect for maintenance and replacement, this bolt set helps maintain optimal performance and extend the lifespan of your tractor rotavator.