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Pantlon’s M4 Button Rivet Locking Nut Set supplies 30 M4*20 fasteners for thin-panel work. Its petal-shaped expansion design is intended to spread behind the mounting surface, while zinc-plated carbon steel supports everyday workshop, maintenance, automotive, and DIY applications.
Quick Verdict
This set offers a focused fastening solution for thin materials where access behind the panel is limited. The petal expansion structure is its defining feature, and the zinc-plated carbon-steel construction suits routine workshop use. This listing is specifically the M4*20, 30-piece configuration,
DIYers and workshop users fastening thin panels, sheet metal, cardboard, or aluminium with M4 hardware.
- Multi-Size Rivet Nuts Assortment Kit for Versatile Fastening: The rivet nuts assortment kit includes M4, M5, M6 and M8 jack nut sizes to handle various fastening requirements. Designed for repair, reinforcement, assembly and installation projects, this hardware nuts set provides convenient threaded fastening solutions for garages, workshops, automotive repairs and home DIY applications
- Petal Expansion Design for Secure Thin Panel Installation: Featuring a unique petal expansion structure, these button rivet locking nuts spread behind the mounting surface during installation to create a stable threaded anchor. The petal expansion rivet nut design is ideal for thin panels where traditional nuts are difficult to access, providing reliable internal threads from one side of the material
- Durable Carbon Steel with Zinc-Plated Protection: Made from carbon steel with a zinc-plated finish, the expansion locking nuts kit is built for everyday workshop and maintenance use. The surface coating helps improve resistance against moisture, oxidation and normal wear, making these flower nuts screws tool components suitable for long-term fastening tasks
- Wide Application for Automotive, Workshop and DIY Projects: The flower nut fastener set is designed for a variety of applications, including automotive sheet metal, equipment panels, furniture reinforcement, machinery maintenance and general repair projects. Whether used by mechanics, technicians or DIY users, these button rivet locking nuts provide a practical solution for blind-side fastening needs
- Convenient Blind-Side Fastening Solution with Organized Sizes: When access behind a panel is limited, this rivet nut set allows installation from only one side without needing to hold a separate nut behind the surface. Combining multiple sizes, durable construction and easy installation, this m4 m5 m6 m8 jack nut assortment is a useful addition to any toolbox or workshop
Key Takeaways
- 30 M4*20 flower jack nuts are included.
- Petal expansion spreads behind thin panels.
- Carbon steel has a zinc-plated finish.
Design and Installation
The flower or petal expansion design is intended to open behind the mounting surface during installation. That structure helps position the fastener in thin materials, including tin, cardboard, aluminium alloy, and sheet metal. Because this listing specifies M4 fasteners, it is best matched with projects requiring that particular thread size.
Materials and Protection
Pantlon identifies carbon steel as the base material and zinc plating as the protective finish. Together, these details suit everyday workshop and maintenance tasks described in the listing. The product data does not specify load ratings, corrosion testing, installation tools, or performance under particular environmental conditions, so project requirements should determine suitability.
Applications and Configuration
The stated applications include automotive sheet metal, equipment panels, workshops, and DIY projects. Although the feature text describes an assortment containing M4, M5, M6, and M8 sizes, the selected product data identifies the color or configuration as M4*20-30PCS. Confirm the chosen variation before ordering if multiple thread sizes are needed.
Pros
- Petal expansion design
- Carbon-steel construction
- Zinc-plated finish
- 30-piece M4 set
Cons
- Only M4 configuration listed
- No load rating provided
Buying Advice
Choose this configuration when your project calls for M4*20 flower jack nuts and a 30-piece quantity. If you need M5, M6, or M8 sizes, verify the available variation before purchase. Also confirm that your panel material and fastening requirements suit this expansion-style
Frequently Asked Questions
What is included in this listing?+
The supplied product data identifies the configuration as M4*20-30PCS, meaning 30 M4 fasteners with a 20-size designation.
What materials are these jack nuts intended for?+
The listing describes applications in thin materials such as tin, cardboard, aluminium alloy, sheet metal, and equipment panels.
