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China Suppliers Factory Grade A B C Hex Nuts Din934 M1-M160 for Coarse Fine Thread Fastening Components

The outer hexagon screw is an essential component for securely fastening and connecting two parts with through holes. As a commonly used type of bolt, hex head screws are available in various grades. For optimal performance, it is crucial to choose Class A and Class B outer hexagon screws, especially in applications requiring high assembly accuracy, significant impact resistance, vibration tolerance, or fluctuating loads. In contrast, Grade C outer hexagon screws are suitable for rough surfaces where assembly precision is less critical. As a leading manufacturer in China, our factory supplies high-quality hex head screws designed to meet the diverse needs of our customers and ensure reliable connections in various applications

    📊 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.

    ⚙️
    Standard Compliance: 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, etc.
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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)

    Q1: What is the main function of a hexagon nut?
    Hexagonal nuts are used in combination with screws, bolts, and other fasteners to connect and secure multiple components together.
    Q2: When should I use Class A/B vs. Class C hexagon nuts?
    Class A and Class B nuts are designed for applications requiring smooth surfaces and high assembly precision. Class C nuts are ideal for rougher surfaces where high precision is not required.
    Q3: What is the difference between Type 2 hex nuts and thin hex nuts?
    Type 2 hex nuts are thicker and are typically used in assemblies that require frequent installation and disassembly. Thin hex nuts are thinner and are used in applications where space is limited.
    Q4: Which standards do these hex nuts comply with?
    These nuts comply with various standard series including GB, Q standard, DIN (German), IFI (American), BS (British), JIS (Japanese), and ISO international standards.
    Q5: What are the level standards for hexagon bolts?
    Hexagon bolts conform to level standards, which commonly include grade 4.8 and grade 8.

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