188PCS Metric Nylon Insert Lock Nuts Kit, M3 M4 M5 M6 M8 M10

Product details

Product description metric lock nut sizes M3 to M10 with quantities, total 188 pieces. Includes 6 popular metric sizes: M3 (50 pcs), M4 (40 pcs), M5 (40 pcs), M6 (30 pcs), M8 (20 pcs), and M10 (8 pcs). Covers all your repair, maintenance, and assembly needs in one convenient kit. Reliable Locking Performance for Every Project Nylon insert resists vibration. Zinc plating prevents rust. Precision threads ensure smooth fit. Durable metal for long-term fastening. Why Choose Our Nylon Insert Lock Nuts? Our nylon insert lock nuts feature a precision-engineered nylon ring that creates a tight lock to prevent loosening from vibration and torque. Unlike ordinary nuts, they offer better corrosion protection, stable thread engagement, and more reliable long-term fastening under stress. Versatile Lock Nuts for Cars, Bikes, Machinery & Furniture Infographic showing wide applications of lock nuts: automotive repair, bicycle maintenance, machinery assembly, and furniture DIY projects. [NYLON INSERT LOCKING DESIGN] Built-in nylon inserts grip bolt threads to help resist loosening caused by vibration and movement. These self-locking metric nuts provide a secure, reliable hold for machinery, automotive repairs, furniture assembly, equipment maintenance, and general hardware projects. [188PCS METRIC LOCK NUT ASSORTMENT] Includes 188 nylon insert lock nuts in 6 commonly used metric sizes: M3, M4, M5, M6, M8, and M10. Multiple sizes in one organized kit make it easy to find the right lock nut for repairs, maintenance, installation, replacement work, and everyday hardware needs. [ZINC-PLATED CARBON STEEL] Made from durable carbon steel with a zinc-plated finish for dependable strength and corrosion resistance. Suitable for indoor projects, workshops, machinery maintenance, equipment assembly, automotive hardware, and everyday fastening applications. [ORGANIZED STORAGE BOX] The clear compartment storage case keeps different nut sizes separated, visible, and easy to access. Helps reduce mixing, misplaced pieces, and workshop clutter while making the assortment convenient to store, carry, and transport. [WIDE APPLICATIONS] Designed for use with compatible metric bolts, screws, and threaded rods. Ideal for automotive hardware, machinery, industrial equipment, electronics, bicycles, shelving, furniture assembly, DIY projects, workshop repairs, and home maintenance.