SBJ 36 Pieces of Bolt with Nylock Nut & Spring Washer are manufactured from premium zinc, ensuring excellent corrosion resistance and durability for tractor rotavator blade mounting. This set provides secure, vibration-resistant fastening, making it ideal for heavy-duty agricultural use. The included Nylock nuts and spring washers offer enhanced locking and stability, helping to maintain optimal performance and extend the lifespan of your rotavator during routine maintenance or replacement.