Threaded Inserts

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Threaded inserts are mechanical fasteners used in a wide range of applications, particularly in the industrial and manufacturing sectors. These inserts are designed to provide strong and reliable threads in materials that may not have sufficient inherent thread strength, durability, or wear resistance. Here's what you need to know about threaded inserts:

  1. Purpose: Threaded inserts are used to create strong and reliable threads in various materials, including metal, plastic, wood, and composite materials. They offer a threaded opening that can accommodate screws, bolts, or other fasteners.

  2. Materials: Threaded inserts are typically made from materials such as brass, stainless steel, aluminum, or zinc-plated steel.The choice of material depends on factors like the application, environment, and desired properties like corrosion resistance.

  3. Types: There are several types of threaded inserts available, including:

    • Helical Inserts: Also known as coil or screw thread inserts, these are used to reinforce damaged or worn threads in materials like metal. They create new, strong threads for fasteners.

    • Press Inserts: These inserts are designed to be pressed into a pre-drilled or molded hole in materials like plastic or wood. They provide a threaded opening for screws or bolts.

    • Key-Locking Inserts: These inserts have internal threads with a unique locking mechanism that prevents loosening due to vibration or dynamic loads. They are often used in aerospace and automotive applications.

    • Rivet Nuts: These are internally threaded inserts that are riveted or clinched into a material, creating a threaded hole for fasteners. They are commonly used in sheet metal applications.

  4. Installation: Threaded inserts can be installed using various methods, including manual or pneumatic tools, ultrasonic insertion machines, or heat insertion methods, depending on the type and material.

  5. Applications: Threaded inserts find applications in a wide range of industries, including aerospace, automotive, electronics, furniture manufacturing, and construction. They are used to create strong and durable connections in materials where traditional tapping or threading may not be feasible.

  6. Benefits: Some of the key benefits of using threaded inserts include improved thread strength, resistance to stripping or cross-threading, and the ability to create threads in softer materials without damaging them.

  7. Size and Thread Type: Threaded inserts come in various sizes and thread types to accommodate different fasteners. Common thread types include metric, UNC (Unified National Coarse), and UNF (Unified National Fine).

In summary, threaded inserts are essential fasteners used to create strong and reliable threads in a variety of materials. They offer versatility and durability in a wide range of applications across different industries. Proper selection and installation of threaded inserts are critical to ensuring the integrity of the threaded connections.