54-Piece Jack Nuts, Petal Nut and Bolt Set – M4, M5, M6 Expansion Anchor Nuts and Bolts for Thin Metal and Hollow Panels

• Made from carbon steel with a zinc-plated finish, these petal nuts are resistant to corrosion, hard to break or deform, and designed for long-lasting stability.
• No spanners or tools are needed—simply pre-drill the right size hole and the nuts and bolts can be quickly installed or removed.
• The nuts feature clear, uniform threads that fit perfectly with the bolts, ensuring smooth tightening. The petal design delivers excellent clamping force and vibration resistance, keeping connections secure.
• Ideal for fixing to hollow panels, thin iron sheets, aluminium frames, number plates, clothes racks, container tags, and more.
• Each set includes 54 pieces—18 each of M4, M5, and M6 sizes—so you’ll always have the right option for different needs.

This petal nut and bolt set combines strength, ease of installation, and secure fastening. With its unique expansion design providing greater load-bearing capacity and protection against loosening, it is the perfect choice for home DIY, automotive repairs, machinery assembly, and outdoor installations.