Metric stainless-steel nylon-insert lock nuts with plastic storage case Key benefits - Reliable vibration resistance: the nylon insert makes full contact with the bolt threads and provides high elastic grip, increasing friction so fasteners stay secure and resist loosening. - No extra hardware required: the nylon-insert design eliminates the need for separate lock washers, simplifying assembly and reducing parts. - Durable and practical: precisely manufactured stainless-steel nuts offer solid strength and long life for repeated use. - Organized storage: a plastic container with a preinstalled divider keeps the lock nuts clean, sorted, and easy to access. Features and specifications - Type: Metric nylon-insert (self-locking) lock nuts - Material: Stainless steel body with nylon insert - Function: Self-locking; nylon contacts bolt threads to increase friction and prevent loosening - Packaging: Plastic storage container with integrated divider to keep parts organized - Design: Robust, well-finished nuts engineered for stable and practical use Why you need this product - Prevents unwanted loosening in applications exposed to movement or vibration. - Reduces maintenance time by keeping fasteners secure without extra locking parts. - Keeps an assortment of commonly used metric lock nuts neatly organized for quick access. Typical applications - Machinery and equipment: secure bolted joints on motors, gearboxes, and industrial assemblies where vibration is present. - Automotive and powersports: fasten components on motorcycles, cars, trailers, and accessories without needing separate locking washers. - Home repairs and DIY projects: use where a reliable, reusable locking nut is preferred for furniture, brackets, or outdoor hardware. What to expect in use - The nylon insert engages the bolt thread immediately when tightened, providing consistent locking action. - Stainless-steel construction delivers good mechanical strength and long-term performance. - The storage case keeps multiple parts sorted, reducing time spent searching for the right nut. Purchase this set when you need dependable, reusable metric lock nuts that simplify assemblies, prevent loosening, and stay organized between jobs.