SBJ 48 Pieces of Bolt with Nylock Nut are made from premium zinc, offering excellent corrosion resistance and long-lasting durability for tractor rotavator blade mounting. This set ensures secure, vibration-resistant fastening, making it perfect for heavy-duty agricultural use. The included Nylock nuts provide enhanced locking strength, preventing loosening during operation. Ideal for maintenance or replacement, these bolts help improve the efficiency and lifespan of your tractor rotavator in the field.