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China DIN 929 Refined Welded Nuts - High-Quality Hexagonal Nuts from Trusted Suppliers and Factory
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China DIN 929 Refined Welded Nuts - High-Quality Hexagonal Nuts from Trusted Suppliers and Factory

Introducing high-quality hexagonal welded nuts, expertly designed for welding applications. Our nuts feature a unique hexagonal shape with one side resembling a standard hexagonal nut, while the other side is equipped with three strategically placed welding points and a positioning protrusion. These components ensure a secure and accurate fit during installation.

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Manufactured in China, our welded nuts come in various grades including 4.8, 8.8, 10.9, and 12.9, using premium materials such as Q235, 35K, 45K, 40Cr, 35CrMo, and 42CrMo. We also offer a range of surface treatments, including Blackened, Electrogalvanized, Dacromet, Hot-dip Galvanized, and Galvanized, to suit your specific project needs.

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As a leading supplier in the industry, our factory guarantees the highest standards of quality and durability. Choose our hexagonal welded nuts for reliable performance in your welding projects!

    Functional Configuration

    Functional
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    Hexagonal welded nuts serve as connections. Use a welding machine to connect the hexagonal welding nut to the mother body, and then use screws to fix the required object. Generally used in conjunction with spot welding machines, it has good welding performance and fast efficiency. This type of nut is widely used in industries such as automotive seats, sheet metal chassis and cabinets, molds, ships, railways, etc.

    Product features

    features

    Hexagonal welded nuts solve the problem of ordinary nuts being unable to secure the parent body. There are three welding points and a circular protrusion on one side of the nut. The protrusion is used for positioning, and the solder joint is used for welding. Firstly, punch out a positioning hole on the mother body, position the protrusion of the nut on the hole, and then use a spot welding machine to weld the nut onto the mother body. The welding principle is to melt the three welding points of the nut at high temperature, causing the welding points to melt on the parent body, achieving the welding effect. This connection method belongs to non detachable connection.

    Superiority

    products

    Projection welding has accurate positioning and consistent dimensions, with uniform strength at each point and reliable welding. Projection welding can ensure that the threads do not anneal without reducing accuracy, and the appearance of the welded parts is beautiful with high productivity. There is no harm to the human body caused by CO2 gas and coating smoke, which can improve the working environment.

    Shortcoming

    PRODUCTS

    Due to incorrect selection of process parameters, the protruding welding nuts are not firmly welded, and semi-finished parts are prone to falling off during transportation or transportation.

    Application and Development History

    Application

    With the continuous improvement of the quality of welded nuts and the needs of the industry, various types of welded nuts have emerged. The application of welded nuts is becoming increasingly widespread, especially in the automotive industry, where they are applied in important parts such as chassis beams, transmissions, and seat belts. Hexagonal welded nuts are convenient to use, highly efficient, and have a beautiful welding appearance. More and more products are using hexagonal welded nuts.

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    Frequently Asked Questions

    FAQ

    What is the primary function of a hexagonal welded nut?

    Hexagonal welded nuts serve as secure connections. They are connected to a mother body using a welding machine, allowing screws to fix the required object firmly in place.

    How are hexagonal welded nuts positioned and installed?

    A positioning hole is first punched into the mother body. The circular protrusion on one side of the nut is placed into this hole for accurate positioning, and then a spot welding machine melts the three solder joints to fuse the nut to the parent body.

    What are the benefits of projection welding for these nuts?

    Projection welding ensures accurate positioning, consistent dimensions, uniform strength, and reliable joints. It prevents thread annealing, maintains precision, boosts productivity, and provides a safer working environment without harmful CO2 gas or coating smoke.

    What is a common shortcoming of protruding welding nuts?

    If incorrect process parameters are selected, the welding might not be firm. This can lead to semi-finished parts falling off during transportation.

    In which industries are hexagonal welded nuts most commonly applied?

    They are widely used in automotive seats, chassis beams, transmissions, seat belts, sheet metal chassis, cabinets, molds, shipbuilding, and railways.