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DIN931 304 A2-70 Hexagonal Bolts - High-Quality China Suppliers & Factory for Various Grades and Materials
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DIN931 304 A2-70 Hexagonal Bolts - High-Quality China Suppliers & Factory for Various Grades and Materials

Discover high-quality fasteners available in grades 4.8, 8.8, 10.9, and 12.9, crafted from premium materials such as Q235, 35K, 45K, 40Cr, 20Mn Tib, 35Crmo, and 42Crmo. Our products undergo various surface treatments including Blackened, Electrogalvanized, Dacromet, Hot-dip Galvanized, and Galvanized, ensuring durability and resistance to corrosion. As leading China suppliers, our factory is committed to delivering reliable and efficient fastening solutions for diverse applications. Choose us for all your fastening needs and experience unmatched quality and service!

    How to use bolts use

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    The characteristics of hexagonal screws

    Hexagonal screws differ from other types of screws in terms of layout and appearance, with their most prominent feature being having six corners, rather than the four or eight faces of screws of other shapes.

    In addition, hexagonal screws have the following Characteristics:

    • 1. Strong slip resistance Due to the large contact area of the six corners, hexagonal screws can provide better slip resistance, making it better fixed to the object that needs to be connected.
    • 2. High torsional strength Hexagonal screws can withstand greater torque when tightened, and their torsional strength is much higher than other types of screws.
    • 3. Strong compressive strength The structure of hexagonal screws is relatively tight, supporting greater thread force, making them more suitable for use in scenarios that require greater thread force.

    Application scenarios of hexagonal screws APPLICATION

    Due to its characteristics of anti slip, high torsional strength, and strong compressive strength, hexagonal screws are widely used in situations that require bearing large thread forces, as follows:

    • 1. Mechanical equipment manufacturing Hexagonal screws are commonly used for connection in mechanical equipment assembly, and for the assembly of some large mechanisms, they need to be reliably fixed together, making hexagonal screws the best choice.
    • 2. Automobile manufacturing The assembly of automobile manufacturing also requires the use of a large number of hexagonal screws, such as engine installation, steering and braking devices, which require high fixing strength and have an impact on the service life of the car.
    • 3. Ship manufacturing The manufacturing of ships requires the use of a large number of hexagonal screws to connect components, requiring stability, reliability, and strong corrosion resistance. Many equipment connections require the use of stainless steel hexagonal screws.

    Overall, hexagonal screws are a high-quality connecting component with good slip resistance, high torsional strength, and strong compressive strength. They are widely used in industries such as mechanical equipment manufacturing, automotive manufacturing, and shipbuilding.

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    Frequently Asked Questions

    What is the main difference between hexagonal screws and other types of screws?

    The most prominent feature of hexagonal screws is their layout and appearance, specifically having six corners, rather than the four or eight faces found on other screw shapes.

    Why do hexagonal screws provide strong slip resistance?

    Hexagonal screws provide superior slip resistance due to the large contact area of their six corners, which allows them to be more securely fixed to the connected objects.

    How do hexagonal screws perform under high torque?

    They have exceptionally high torsional strength, enabling them to withstand much greater torque during tightening compared to other standard screw designs.

    In which industries are hexagonal screws most commonly applied?

    They are widely utilized in heavy-duty industries including mechanical equipment manufacturing, automobile manufacturing (for engines and steering systems), and shipbuilding.

    Why are stainless steel hexagonal screws used in ship manufacturing?

    Shipbuilding requires components that offer high stability, reliability, and strong corrosion resistance to withstand harsh marine environments, making stainless steel hexagonal screws the preferred choice.