Upgraded Grinder Compatibility - These nuts with for 5/8"-11 angle grinder are suitable for most angle grinders. Designed to replace standard 5/8-11 flanges, allowing for simplified, tool-free disc changes that improve efficiency and reduce downtime. DESIGN & SECURE - Designed with precise fit and finish, our grinder replacement lock nuts ensure a firm hold and exceptional stability during operation. This ensures safe and uninterrupted work, even in demanding conditions. INNOVATIVE QUICK CHANGE FEATURE: By utilizing an exclusive quick-release design with ring pull, these nuts simplify the process of changing abrasive discs. Experience fast, seamless disk changes that save precious time during intense work sessions. SUPERIOR DURABILITY AND PERFORMANCE - Designed to withstand rigorous use, these angle grinder lock nuts can withstand 40N torque and operate smoothly at speeds up to 12000rpm, delivering exceptional longevity and reliable performance in high-stress scenarios. HIGH QUALITY CONSTRUCTION FOR PROFESSIONAL USE - Made with premium materials, these nuts with are easy to install and remove. They are the choice for both professionals and hobbyists looking for reliable grinder parts that offer comfort and efficiency on the job., Manufacturer: Bumdenuu