This aftermarket replacement M70x2 self-locking nut is specifically designed as a compatible alternative for various Lemken agricultural machinery applications, replacing the original Lemken part number 3030343. As a non-OEM component, it offers a cost-effective solution for maintenance and repairs while delivering reliable performance. The M70x2 designation signifies a metric thread with a 70mm nominal diameter and a 2mm pitch, making it suitable for heavy-duty connections that require substantial clamping force. The self-locking feature is critical for applications exposed to high vibration and dynamic loads, such as those found in plows, cultivators, and other tillage equipment. This design prevents the nut from loosening under operational stress, thereby maintaining the integrity and safety of critical assemblies. Constructed to withstand the rigorous demands of agricultural environments, this compatible nut ensures components remain firmly attached, contributing to reduced downtime and enhanced operational safety. It is an excellent choice for farmers and technicians seeking a high-quality, non-original alternative for their Lemken machinery. For optimal performance and longevity, always adhere to the manufacturer's recommended torque specifications during installation.