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China Suppliers Factory Din934 Metric Hex Nuts M1-M160 for Coarse and Fine Thread Applications

Discover the premium quality outer hexagon screws from our trusted China factory, designed for optimal fastening and connection of components with through holes. As a leading supplier, we specialize in providing Class A and Class B hex head screws that excel in applications requiring high assembly precision, as well as those subjected to significant impact, vibration, or cross rate loads. For more demanding environments, we also offer Grade C outer hexagon screws, ideal for rough surfaces where assembly accuracy is less critical. Choose our products for reliable performance and durability in all your projects.

    Production Parameter

    Din934 Metric coarse and fine thread hex nut M1-M160 (1)p7t
    thread specification
    d
    M5 M6 M8 M10 M12 (M14) M16 M20 M24 M30 M36
    P pitch 0.8 1 1.25 1.5 1.75 2 2 2.5 3 3.5 4
    c Max 0.5 0.5 0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8
    da Min 5.75 6.75 8.75 10.8 13 15.1 17.3 21.6 25.9 32.4 38.9
    Min 5 6 8 10 12 14 16 20 24 30 36
    dw Min 6.9 8.9 11.6 14.6 16.6 19.6 22.5 27.7 33.2 42.7 51.1
    e Min 8.79 11.05 14.38 17.77 20.03 23.36 26.75 32.95 39.55 50.85 60.79
    m Max 5.1 5.7 7.5 9.3 12 14.1 16.4 20.3 23.9 28.6 34.7
    Min 4.8 5.4 7.14 8.94 11.57 13.4 15.7 19 22.6 27.3 33.1
    mw Min 3.84 4.32 5.71 7.15 9.26 10.7 12.6 15.2 18.1 21.8 26.5
    s Max 8 10 13 16 18 21 24 30 36 46 55
    Min 7.78 9.78 12.73 15.73 17.73 20.67 23.67 29.16 35 45 53.8
    Thousand piece weight (steel)≈kg 1.3 2.41 5.25 9.9 15.25 23.96 36.36 65.62 112.5 230.5 396

    Production Description

    The outer hexagon screw is a matching nut used to fasten and connect two connected parts with through holes and components. Hex head screws are commonly used bolts. It is more important to use Class A and Class B outer hexagon. In addition, it is often used in the occasion of high assembly accuracy, large impact, vibration or cross rate load. Grade C outer 66 screws are used in situations where the surface is rough and the assembly accuracy is not required.

    • GB series
    • Q standard series
    • DIN German standard series
    • IFI American standard series
    • BS British standard series
    • JIS Japanese standard series
    • ISO international standard series
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    Hexagonal nut and screws, bolts, screws with the use of each other, from the role of connecting and fastening parts. The type 1 six-purpose nut is the most widely used, and the class C nut is used on the machine, equipment or structure with rough surface and low precision requirement Class A and class B nuts are used for machines, equipment or structures with smooth surfaces and high requirements for accuracy. Type 2 hex nut thickness m is thicker, often used for the occasion of Assembly and disassembly. The thickness m of hexagon thin nut is thinner, which is used in the situation that the surface space of the connecting parts is limited.

    One of the standards for hexagon bolts is the level standard, which is divided into 4.8 and 8.

    Frequently Asked Questions (FAQ)

    What are the primary applications for Class A and Class B outer hexagon fasteners?
    Class A and Class B outer hexagon fasteners are typically utilized in applications demanding high assembly precision, or under conditions involving large impacts, vibration, and cross-rate loads.
    When should Grade C outer hexagon screws be selected?
    Grade C screws are ideal for scenarios where the surface finish of the components is rough and high assembly precision is not strictly required.
    What international standards do these hex nuts and bolts conform to?
    They conform to multiple standards including GB series, Q standard series, DIN German standard series, IFI American standard series, BS British standard series, JIS Japanese standard series, and ISO international standard series.
    What is the difference between Type 1 and Type 2 hex nuts?
    Type 1 hex nuts are the most widely used general-purpose fasteners. Type 2 hex nuts have a thicker profile (dimension m) and are designed for assemblies requiring frequent assembly and disassembly.
    When is a hexagon thin nut preferred?
    Hexagon thin nuts are designed with a reduced thickness and are preferred in installations where space along the connecting parts is structurally limited.
    What are the standard strength levels for these hexagon bolts?
    The standard strength levels for hexagon bolts are classified into level standards, commonly divided into grades 4.8 and 8.

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