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DIN 315 Wing nut

Material: Carbon steel, SS 201/304/316
Thread Size: M3-M20
Surface Treatment: Galvanized(White/Yellow), Hot Dip Galvanized, Black Oxide, Dacromet, Black Zinc Plating, Plain

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  • Product Size

    DIN 315

    SIZE M3 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20
    dk MIN 6.5  6.5  10  13  16  20  20  27  27  27 
    ds   10  12  16  16  22  22  22 
    L NOM 17  17  21  27  31  36  48  48  68  68  68 
    MAX 18.5  18.5  22.5  28.5  33  38  50  50  70  70  70 
    MIN 15.5  15.5  19.5  25.5  29  34  46  46  66  66  66 
    k NOM 11  13  16  18  23  23  35  35  35 
    MAX 10.5  10.5  12.5  14.5  17.5  19.5  24.5  24.5  37  37  37 
    MIN 7.5  7.5  9.5  11.5  14.5  16.5  21.5  21.5  33  33  33 
    m MIN 4.5  7.5  12  12  12 
    y MAX 3.5  4.5  5.5 
    y1 MAX 4.5  5.5  6.5 
  • The butterfly/wing nut is a manually tightened fastener used for tightening components such as door and window hinges, clothes drying racks, and storage racks; for fixing equipment protective covers, maintenance doors, and temporary fixtures; for assembling tent supports, camping tables and chairs, and bicycle parts; for the quick adjustment of laboratory fixtures and sample fixation devices; for installing low-voltage distribution box covers and insulation supports (plastic material butterfly nuts).

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