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Flange Nuts

Flange Nuts

Flange nuts are a type of nut that features a wide, flat flange at one end. The flange provides a larger bearing surface, distributing the load and reducing the risk of damaging the surface being fastened.

  • Stainless Steel Serrated Flange Nuts

    Stainless Steel Serrated Flange NutsDetailDimension Table

    AYAINOX offers stainless steel serrated flange nuts as part of our product lineup, providing high-quality fastening solutions for various industrial applications. AYAINOX serrated flange nuts feature precision-engineered serrations on the underside of the flange, providing excellent grip and resistance to loosening when subjected to vibration or torque.
    We offer a diverse range of sizes and thread pitches to accommodate different bolt or stud sizes and specifications, meeting the needs of various projects and applications.

    Screw Thread
    d
    M5 M6 M8 M10 M12 (M14) M16 M20
    P Pitch 0.8 1 1.25 1.5 1.75 2 2 2.5
    c min 1 1.1 1.2 1.5 1.8 2.1 2.4 3
    da max 5.75 6.75 8.75 10.8 13 15.1 17.3 21.6
    min 5 6 8 10 12 14 16 20
    dc max 11.8 14.2 17.9 21.8 26 29.9 34.5 42.8
    dw min 9.8 12.2 15.8 19.6 23.8 27.6 31.9 39.9
    e min 8.79 11.05 14.38 16.64 20.03 23.36 26.75 32.95
    m max 5 6 8 10 12 14 16 20
    min 4.7 5.7 7.64 9.64 11.57 13.3 15.3 18.7
    mw min 2.5 3.1 4.6 5.6 6.8 7.7 8.9 10.7
    s max 8 10 13 15 18 21 24 30
    min 7.78 9.78 12.73 14.73 17.73 20.67 23.67 29.16
    r max 0.3 0.4 0.5 0.6 0.7 0.9 1 1.2
  • Stainless Flange Nut

    Stainless Flange NutDetailDimension Table

    AYAINOX manufactures stainless steel flange nuts, which are specialized fasteners with a flange (a wider, flat section) integrated into the nut’s design. Commonly made from stainless steel materials, such as grade 304 or 316 stainless steel, offering excellent corrosion resistance and durability. They find applications in various industries, including automotive, construction, marine, and machinery.

    When considering AYAINOX stainless flange nuts for your projects, you can expect reliable performance, durability, and versatility in various applications requiring strong and vibration-resistant fastening solutions.

    Nominal
    Size
    Basic Major Diameter of Thread Width Across Flats, F Width Across Corners, G Diameter Flange, B Nut Thickness, H Minimum Wrenching Length, J Minimum Flange Thickness, K Maximum Runout of Bearing Surface to Thread Axis, FIM
    Min. Max. Min. Max. Min. Max. Min. Max.
    Hex Flange Nuts
    No.6 0.1380 0.302 0.312 0.342 0.361 0.406 0.422 0.156 0.171 0.10 0.02 0.014
    8 0.1640 0.334 0.334 0.381 0.397 0.452 0.469 0.187 0.203 0.13 0.02 0.016
    10 0.1900 0.365 0.375 0.416 0.433 0.480 0.500 0.203 0.219 0.13 0.03 0.017
    12 0.2160 0.428 0.438 0.488 0.505 0.574 0.594 0.222 0.236 0.14 0.04 0.020
    1/4 0.2500 0.428 0.438 0.488 0.505 0.574 0.594 0.222 0.236 0.14 0.04 0.020
    5/16 0.3125 0.489 0.500 0.557 0.577 0.660 0.680 0.268 0.283 0.17 0.04 0.023
    3/8 0.3750 0.551 0.562 0.628 0.650 0.728 0.750 0.330 0.347 0.23 0.04 0.025
    7/16 0.4375 0.675 0.688 0.768 0.794 0.910 0.937 0.375 0.395 0.26 0.04 0.032
    1/2 0.5000 0.736 0.750 0.840 0.866 1.000 1.031 0.437 0.458 0.31 0.05 0.035
    9/16 0.5625 0.861 0.875 0.982 1.010 1.155 1.188 0.483 0.506 0.35 0.05 0.040
    5/8 0.6250 0.922 0.938 1.051 1.083 1.248 1.281 0.545 0.569 0.40 0.05 0.044
    3/4 0.7500 1.088 1.125 1.240 1.299 1.460 1.500 0.627 0.675 0.46 0.06 0.051
    Large Hex Flange Nuts
    1/4 0.2500 0.428 0.438 0.488 0.505 0.700 0.728 0.281 0.312 0.15 0.04 0.024
    5/16 0.3125 0.489 0.500 0.557 0.577 0.790 0.820 0.343 0.375 0.20 0.04 0.028
    3/8 0.3750 0.551 0.562 0.628 0.650 0.885 0.915 0.390 0.406 0.24 0.04 0.031
    7/16 0.4375 0.675 0.688 0.768 0.794 1.100 1.131 0.437 0.468 0.26 0.04 0.038
    1/2 0.5000 0.736 0.750 0.840 0.866 1.175 1.205 0.485 0.515 0.29 0.06 0.041
    9/16 0.5625 0.861 0.875 0.982 1.010 1.260 1.300 0.546 0.578 0.37 0.06 0.044
    5/8 0.6250 0.922 0.938 1.051 1.083 1.280 1.360 0.600 0.640 0.42 0.06 0.045
  • Stainless Steel Flange Nuts

    Stainless Steel Flange NutsDetailDimension Table

    Stainless steel flange nuts are specialized fasteners with an integrated flange at one end. This flange provides several benefits, including distributing the load over a larger surface area, preventing damage to the material being fastened, and acting as a built-in washer to protect the surface.

    Thread Size M5 M6 M8 M10 M12 M14 M16 M20
    D
    P Pitch Coarse thread 0.8 1 1.25 1.5 1.75 2 2 2.5
    Fine thread 1 / / 1 1.25 1.5 1.5 1.5 1.5
    Fine thread 2 / / / -1 -1.25 / / /
    c min 1 1.1 1.2 1.5 1.8 2.1 2.4 3
    da min 5 6 8 10 12 14 16 20
    max 5.75 6.75 8.75 10.8 13 15.1 17.3 21.6
    dc max 11.8 14.2 17.9 21.8 26 29.9 34.5 42.8
    dw min 9.8 12.2 15.8 19.6 23.8 27.6 31.9 39.9
    e min 8.79 11.05 14.38 16.64 20.03 23.36 26.75 32.95
    m max 5 6 8 10 12 14 16 20
    min 4.7 5.7 7.6 9.6 11.6 13.3 15.3 18.9
    mw min 2.2 3.1 4.5 5.5 6.7 7.8 9 11.1
    s max=nominal size 8 10 13 15 18 21 24 30
    min 7.78 9.78 12.73 14.73 17.73 20.67 23.67 29.67
    r max 0.3 0.36 0.48 0.6 0.72 0.88 0.96 1.2