80 Piece Expansion Screw Petal Nut Kit For M4-20 M4-25 M5-25 M6-25 Sizes Galvanized Jack Nuts For License Plate Mounting Hollow Wall Sheet Metal And Billboard Installations DIY Friendly Hardware Set

80-Piece Galvanized Petal Nut Expansion Kit for DIY
✔️ 80 expansion petal nuts: M4-20/25, M5-25, M6-25; galvanized.

This 80-piece expansion screw petal nut kit provides secure mounting for license plates, hollow walls, sheet metal, and other DIY projects. Galvanized coating helps resist rust in indoor or outdoor use.

✅ 80 pieces total with M4-20, M4-25, M5-25, M6-25 sizes
✅ Galvanized carbon steel for rust resistance
✅ Expansion head grips thin materials like hollow walls and sheet metal
✅ Simple two-wrench installation to prevent rotation and over-tightening
✅ Suitable for license plate mounting, signs, billboard frames, and DIY fixtures

💡 What is the best way to use expansion screw petal nuts in thin-wall installations? A handy guide for using expansion screw nuts effectively in DIY projects.
- Use with matching screws and hold the nut with a second wrench to prevent rotation
- Tighten gradually to let the nut expand into the fixture material without overt stress
- Best for hollow walls, plastic, composite wood, and thin sheet metal
- Great for license plate mounts, signs, and lightweight framing