{"id":4275,"date":"2026-04-24T01:07:48","date_gmt":"2026-04-24T01:07:48","guid":{"rendered":"https:\/\/mj-anchor.com\/definition-and-uses-of-blind-rivet-nuts-in-industry\/"},"modified":"2026-04-24T01:07:48","modified_gmt":"2026-04-24T01:07:48","slug":"definition-and-uses-of-blind-rivet-nuts-in-industry","status":"publish","type":"post","link":"https:\/\/mj-anchor.com\/ru\/definition-and-uses-of-blind-rivet-nuts-in-industry\/","title":{"rendered":"Definition and uses of blind rivet nuts"},"content":{"rendered":"
\"Definition<\/figure>\n\n\n\n

Blind rivet nuts serve as essential fasteners for creating strong, threaded connections in thin or hard-to-reach materials. Many industries rely on blind rivets and blind pop rivets to secure joints when only one side of the workpiece is accessible. These fasteners help prevent loosening from vibration, making them valuable for automotive, aerospace, and electronics applications. Unlike traditional \u0433\u0430\u0435\u043a \u0438 \u0431\u043e\u043b\u0442\u043e\u0432<\/a>, a \u0437\u0430\u043a\u043b\u0451\u043f\u043e\u0447\u043d\u0430\u044f \u0433\u0430\u0439\u043a\u0430<\/a> offers a reliable solution for \u043d\u0435\u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0435 \u043a\u0440\u0435\u043f\u0435\u0436\u043d\u044b\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b<\/a> manufacturers who require consistent, high-performance results in demanding environments.<\/p>\n\n\n\n

What Are Blind Rivet Nuts?<\/h2>\n\n\n\n
\"What<\/figure>\n\n\n\n

Basic Definition<\/h3>\n\n\n\n

A blind rivet nut is a<\/a> specialized fastener that creates a strong, reusable threaded connection in materials that are too thin or inaccessible for traditional nuts and bolts. Engineers and manufacturers use blind rivet nuts when only one side of the workpiece is accessible. This feature makes them ideal for applications where the backside of the material cannot be reached, such as in closed sections or tubular structures. Blind rivet nuts allow for the attachment of components using standard screws or bolts, providing a secure and reliable joint.<\/p>\n\n\n\n

Structure and Components<\/h3>\n\n\n\n

A blind rivet nut consists of several key parts. Each component plays a specific role in the performance and reliability of the fastener. The following table outlines the main structural components<\/a> and their contributions:<\/p>\n\n\n\n

\n\n\n\n\n
\u041a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442<\/th>\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/th>Contribution to Performance<\/th><\/tr>\n<\/thead>\n
Sleeve head<\/td>The part on the processing side, varies in diameter and shape.<\/td>Ensures proper fit and load distribution based on application requirements.<\/td><\/tr>\n
Sleeve body<\/td>Main part behind the head that sits within the joint material.<\/td>Determines tensile performance based on length and material thickness.<\/td><\/tr>\n
Pin head<\/td>Reshapes the sleeve during installation, forming the blind head.<\/td>Essential for proper deformation and expansion on the blind side of the joint.<\/td><\/tr>\n
Breakneck groove<\/td>Predetermined breaking point for the rivet pin during installation.<\/td>Ensures the pin breaks only after the sleeve is correctly formed, affecting installation reliability.<\/td><\/tr>\n
Retained pin body<\/td>Remains in the sleeve post-installation.<\/td>Contributes to load transfer depending on whether it breaks flush with the sleeve head.<\/td><\/tr>\n<\/tbody>\n\n<\/table>\n<\/figure>\n\n\n\n

Body<\/h4>\n\n\n\n

The body of a blind rivet nut forms the main cylindrical section that fits into the pre-drilled hole of the workpiece. This part expands during installation, anchoring the fastener securely in place. The body\u2019s length and diameter determine the grip range and strength of the connection.<\/p>\n\n\n\n

\u0412\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u044f\u044f \u0440\u0435\u0437\u044c\u0431\u0430<\/h4>\n\n\n\n

Blind rivet nuts feature internal threads that accept standard machine screws or bolts. These threads allow for repeated assembly and disassembly without damaging the host material. The thread size must match the requirements of the application to ensure a secure fit.<\/p>\n\n\n\n

\u0422\u0438\u043f\u044b \u0444\u043b\u0430\u043d\u0446\u0435\u0432<\/h4>\n\n\n\n

Manufacturers offer blind rivet nuts with different flange types. The flange sits on the surface of the material and distributes the load. Common flange styles include flat, countersunk, and reduced head. The choice of flange affects the appearance and load-bearing capacity of the finished joint.<\/p>\n\n\n\n

Common Materials Used<\/h3>\n\n\n\n

Blind rivet nut performance depends on the material used in their construction. Each material offers unique advantages and limitations, making selection important for specific applications. The table below summarizes the properties of the most common materials<\/a>:<\/p>\n\n\n\n

\n\n\n\n\n
\u041c\u0430\u0442\u0435\u0440\u0438\u0430\u043b<\/th>\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430<\/th>\u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0438<\/th><\/tr>\n<\/thead>\n
\u0410\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/td>Lightweight, good corrosion resistance<\/td>Can be easily deformed, requires hand tools<\/td><\/tr>\n
\u041d\u0435\u0440\u0436\u0430\u0432\u0435\u044e\u0449\u0430\u044f \u0441\u0442\u0430\u043b\u044c<\/td>\u041e\u0442\u043b\u0438\u0447\u043d\u0430\u044f \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/td>Difficult to install with hand tools, needs pneumatic tools<\/td><\/tr>\n
\u0421\u0442\u0430\u043b\u044c<\/td>Ductile, preferred low-carbon for flexibility<\/td>Requires pneumatic\/hydraulic equipment for installation<\/td><\/tr>\n
\u041b\u0430\u0442\u0443\u043d\u044c<\/td>Exceptional corrosion resistance, aesthetic appeal<\/td>Limited use in high-stress applications<\/td><\/tr>\n<\/tbody>\n\n<\/table>\n<\/figure>\n\n\n\n

\u0421\u0442\u0430\u043b\u044c<\/h4>\n\n\n\n

Steel blind rivet nuts provide high strength and ductility. Low-carbon steel versions offer flexibility and are suitable for most general-purpose applications. Installers often use pneumatic or hydraulic tools for steel blind rivet nut installation due to the material\u2019s toughness.<\/p>\n\n\n\n

\u0410\u043b\u044e\u043c\u0438\u043d\u0438\u0439<\/h4>\n\n\n\n

Aluminum blind rivet nuts are lightweight and resist corrosion. These fasteners suit applications where weight reduction is critical, such as in automotive or aerospace assemblies. Aluminum blind rivet nut installation usually requires only hand tools, but the material can deform under high loads.<\/p>\n\n\n\n

\u041d\u0435\u0440\u0436\u0430\u0432\u0435\u044e\u0449\u0430\u044f \u0441\u0442\u0430\u043b\u044c<\/h4>\n\n\n\n

Stainless steel blind rivet nuts deliver excellent corrosion resistance and durability. They perform well in harsh environments, including marine and outdoor settings. However, installers may need pneumatic tools because stainless steel is harder and more difficult to deform by hand.<\/p>\n\n\n\n

\u041b\u0430\u0442\u0443\u043d\u044c<\/h4>\n\n\n\n

Brass blind rivet nuts offer superior corrosion resistance and an attractive appearance. They are often used in decorative or electrical applications. Brass blind rivet nut use is limited in high-stress environments due to the material\u2019s lower strength compared to steel or stainless steel.<\/p>\n\n\n\n

\n

Tip: Selecting the right material for a blind rivet nut ensures optimal performance and longevity in the intended application.<\/p>\n<\/blockquote>\n\n\n\n

Types of Blind Rivet Nuts<\/h3>\n\n\n\n

Blind rivet nuts come in several distinct forms, each designed to address specific installation challenges and performance requirements. Understanding the main types of blind rivets helps engineers and technicians select the right fastener for their application.<\/p>\n\n\n\n

Round Body<\/h4>\n\n\n\n

Round body blind rivet nuts represent one of the most common types of blind rivets. Manufacturers produce these inserts with either a smooth or ribbed exterior. Smooth round bodies suit applications where the material is soft or where minimal torque resistance is needed. Ribbed round bodies, on the other hand, provide enhanced grip and prevent spinning in the hole, especially in harder materials.<\/p>\n\n\n\n

Round body inserts<\/a> are available in both open-end and closed-end configurations. Open-end versions allow the bolt to pass completely through the nut, making them suitable for general fastening tasks. Closed-end round body nuts seal the thread, protecting it from moisture and debris. Thin-wall round body designs, often called nutserts, allow for near-flush installation and minimal protrusion on the blind side. These features make round body blind rivet nuts versatile for a wide range of industries, including automotive, electronics, and construction.<\/p>\n\n\n\n

\n

Note: Thin-wall round body inserts with a wide-bearing head distribute load more effectively, reducing the risk of material deformation.<\/p>\n<\/blockquote>\n\n\n\n

Hex Body<\/h4>\n\n\n\n

Hex body blind rivet nuts offer a unique advantage in high-torque applications. The hexagonal shape fits into a matching hexagonal hole, which prevents the nut from spinning during installation or service. This design provides superior resistance to rotation compared to round body types of blind rivets.<\/p>\n\n\n\n

Hex body inserts are available in both standard and metric thread sizes, as well as open-end and closed-end styles. Installers often choose hex body nuts for use in metal panels, structural frames, and situations where vibration or repeated assembly could cause a round body nut to loosen. The secure fit of the hex body ensures reliable performance in demanding environments.<\/p>\n\n\n\n

A comparison of round and hex body blind rivet nuts:<\/p>\n\n\n\n

\n\n\n\n\n
\u0425\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0430<\/th>Round Body<\/th>Hex Body<\/th><\/tr>\n<\/thead>\n
\u0424\u043e\u0440\u043c\u0430<\/td>Cylindrical (smooth\/ribbed)<\/td>Hexagonal<\/td><\/tr>\n
\u0421\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0435 \u043a\u0440\u0443\u0442\u044f\u0449\u0435\u043c\u0443 \u043c\u043e\u043c\u0435\u043d\u0442\u0443<\/td>Moderate (ribbed better)<\/td>\u0412\u044b\u0441\u043e\u043a\u0430\u044f<\/td><\/tr>\n
Installation Hole<\/td>\u041a\u0440\u0443\u0433\u043b\u0430\u044f<\/td>Hexagonal<\/td><\/tr>\n
\u041e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f<\/td>General, thin materials<\/td>High-torque, structural panels<\/td><\/tr>\n<\/tbody>\n\n<\/table>\n<\/figure>\n\n\n\n

Open End vs. Closed End<\/h4>\n\n\n\n

Blind rivet nuts are also categorized by the design of their shank: open end or closed end. Each style serves a different purpose in assembly and maintenance.<\/p>\n\n\n\n