SBJ 48 Pieces of Bolt with Nylock Nut are designed for secure and durable mounting of tractor rotavator blades. Made from high-quality mild steel, these bolts ensure strong, vibration-resistant fastening, ideal for heavy-duty agricultural use. The included Nylock nuts provide extra locking strength, preventing loosening during operation. This set is perfect for routine maintenance or replacement, helping maximize the efficiency and lifespan of your tractor rotavator equipment.