- Locking Flange Nuts: Crafted from high-quality 45# steel, these nuts boast exceptional hardness and durability. They can endure a torque of 40N and operate efficiently at speeds up to 12,000 RPM, ensuring reliable performance for demanding tasks. - Self-Locking Retaining Nut: Designed for convenience, this nut allows for quick and easy attachment of cutting discs. It eliminates the need for a wrench or additional tools, simplifying the installation and removal process. - Quick Release Nut: Featuring an upgraded pull ring quick-release mechanism, this nut enables rapid installation and removal of cutting discs on an angle grinder. Simply screw it on or off in seconds for efficient operation. - M10 Thread Angle Grinder Clamping Nut: This nut is compatible with a wide range of angle grinders, securing grinding discs or other attachments effortlessly. It fits most grinders with M10 thread shafts, including popular sizes of 4", 4-1/2", 5", 7", and 9". Use Scenarios: 1. When performing metal fabrication, quickly switch out cutting discs to adapt to different materials without wasting time on complicated setups. 2. For DIY projects at home, easily attach and detach grinding discs for tasks like sharpening blades or removing rust, allowing for a smooth workflow. 3. In professional workshops, utilize the self-locking feature to ensure cutting discs remain securely in place during high-speed operations, enhancing safety and efficiency. This product combines durability, ease of use, and versatile compatibility, making it an essential tool for both professionals and DIY enthusiasts.