10pcs Petal Shape Nuts M4 M5 M6 M8 Iron Bolt Nut Set

10-Piece Petal Shape Nut Set — M4, M5, M6 & M8 Sizes

Upgrade your fastening game with this versatile 10-piece Petal Shape Nut Set. Available in M4, M5, M6, and M8 thread sizes, these iron nuts feature a distinctive petal (star/flange) design that delivers superior grip, easy hand-tightening, and a clean silver finish. Perfect for construction, home improvement, industrial equipment maintenance, and general DIY projects.

Made in Mainland China.

Key Features

• Durable Iron Construction: Manufactured from high-quality iron for long-lasting strength, capable of withstanding everyday wear and demanding use.
• Easy Installation: The threaded design allows for quick, tool-free installation — simply hand-tighten for a secure, stable fit.
• Multi-Size Variety Pack: Includes M4×20mm, M4×25mm, M5×25mm, M6×25mm, and M8×21mm nuts — a ready-to-use assortment that covers most common fastening needs.
• Distinctive Petal Design: Unlike traditional hex or round nuts, the petal shape provides enhanced grip surface and an attractive, modern aesthetic.
• Wide Application: Suitable for industrial machinery, home appliances, office equipment, automotive fixtures, furniture assembly, and more.

Specifications

What's in the Box?

• 10 × Petal Shape Nuts (assorted sizes: M4, M5, M6, M8)

Important Notes

• Product images may not reflect actual size — please refer to the specifications table for accurate dimensions.
• Minor measurement differences (±1–2mm) may occur due to manual measurement.
• Screen color calibration may cause slight color variation from the actual product.

For guidance on fastener standards and hardware safety, visit the U.S. Consumer Product Safety Commission (CPSC) for helpful information on hardware and construction safety.

Learn more: Nut

Frequently Asked Questions

Q: What sizes are included in the petal nut set?

A: The set includes 10 petal-shaped iron nuts in the following sizes: M4×20mm, M4×25mm, M5×25mm, M6×25mm, and M8×21mm — covering the most commonly used metric thread sizes for construction and equipment maintenance tasks.

Q: Are these petal nuts compatible with standard metric bolts and screws?

A: Yes, the petal nuts are designed with standard metric threading and are compatible with M4, M5, M6, and M8 metric bolts and screws commonly used in industrial, home, and office applications.

Q: Do I need special tools to install these petal-shaped nuts?

A: No special tools are required. The petal (flange/star) design provides a larger gripping surface, allowing for easy hand-tightening in most applications. A wrench or pliers can be used if additional torque is needed.

Q: What material are these petal nuts made from?

A: These nuts are made from iron with a silver finish, providing solid durability and resistance to everyday wear for both light-duty and moderate industrial use.