100Pcs Locking Rivet Nut Set, Button Rivet Locking Nut Assortment, M4 M5 M6, for Automotive Furniture DIY Repairs(M4*20)

These locking rivet nuts are reliable threaded insert fasteners widely used for mechanical assembly and repair work. Made of premium carbon steel with zinc‑plated surface treatment, they feature excellent rust resistance and sturdy load‑bearing performance.This assortment set contains multi‑size specifications including M4, M5 and M6, covering most daily installation demands. Practical heavy‑duty hardware kit for workshop, household DIY and industrial maintenance applications.Size: M4x20/M4x25/M5x25/M6x25Color: silverMaterial: galvanized steelPacking list: 100Pcs * Button Rivet Locking Nut Assortment

• M4 M5 M6 Multi-size Assortment：Button Rivet Locking Nuts Set includes M4, M5 and M6 sizes to support different fastening needs. Suitable for repair, reinforcement, assembly and installation projects around the garage, workshop or home
• Petal-Shaped Expansion Design：Each Button Rivet Locking Nuts Set features an expandable petal-style structure that spreads behind the mounting surface, helping create a stable threaded connection in thin panels and other compatible materials
• Carbon Steel with Zinc-Plated Finish：Made from carbon steel with a zinc-plated surface, the Button Rivet Locking Nuts Set is designed for everyday workshop use while helping reduce exposure to moisture, oxidation and normal surface wear
• Wide Range of Applications：Use the Button Rivet Locking Nuts Set for automotive sheet metal, equipment panels, furniture reinforcement, thin-panel installation, machinery maintenance and general DIY projects where an internal threaded connection is needed
• Practical for Repair & Assembly：The Button Rivet Locking Nuts Set provides a convenient fastening option when standard nuts are difficult to position behind a panel. Suitable for mechanics, maintenance work, home projects and workshop applications