20Pcs M4 x 25 Jack Nuts Petal Nuts, Expansion Screw Jack Nut, Fixing Nut Car Metal Screw, Suitable for Soft Wall Cover Steel Plates of billboards and Fasteners of Container Labels

Made of high-quality galvanized carbon steel, these petal nuts (jack nuts) offer superior rust and corrosion resistance—even in marine environments. The zinc-plated coating ensures long-lasting durability.

• [Premium Corrosion-Resistant Jack Nuts]: Made of high-quality galvanized carbon steel, these petal nuts (jack nuts) offer superior rust and corrosion resistance—even in marine environments. The zinc-plated coating ensures long-lasting durability.
• [Ultra-Strong Grip for Hollow Materials]: Reinforced design prevents distortion on soft plastics & thin metals (aluminum, iron sheets). Wide-head screw distributes clamping force evenly, preventing pull-through. Self-expanding anchor locks securely into hollow walls, doors, RV panels, and more.
• [Easy Installation]: Simply insert the jack nut into a pre-drilled hole, then secure using a rivet tool or screwdriver for a tight, permanent hold. No special skills required!
• [Versatile Applications]: ✔ Home & RV: Curtain rods, cabinets, coat racks, clocks, license plates. ✔ DIY & Construction: Wall panels, switches, drying racks, container tags. ✔ Materials: Fits plywood, hardboard, concrete, ceramics, sheet metal (aluminum/iron), and hollow plastics.
• [Package Includes]: 20pcs M4 x 20mm Expansion Screw Petal Nuts – Ample quantity for replacements and multiple DIY projects.