General description For quick attachment and release of discs and grinding wheels without the need for a wrench, this SDS quick-release nut clamping device is designed for all angle grinders with an M14 thread. It features a slightly textured underside to enhance grip and prevent slipping, ensuring a secure fit for sanding discs. Technical specifications Material: High strength alloy Torque resistance: 40N Maximum rotational speed: 12,000 rpm Thread size: M14 Compatibility and accessories Compatible with brands: AEG, Black & Decker, Dewalt, Flex, Hitachi, Metabo, Makita, and many others Fits all angle grinding wheels, diamond grinding wheels, cup-shaped grinding wheels, and diamond plates Usage This quick clamping nut allows for precise and easy assembly, saving considerable time. It features a quick locking structure that enables users to tighten bolts by hand, making it convenient for various grinding tasks.