High Quality DIN 6921 Hexagon Flange Bolts

Short Description:

  • Product Name: DIN 6921 Hexagon Flange Bolts
  • Key Words: Bolt, DIN 6921, Hexagon Flange Bolts, hexagon bolt, Flange Bolts, HDG
  • Size: Diameter M5- M20, Length 10-500mm
  • Material: 40 Cr, all from china large state-owned factory with quality certificates
  • Strength : Grade 8.8 heat treatment high strength
  • Surface Treatment: Hot dip galvanized
  • Thread Length: Fully/half Thread
  • Customization: Customized head mark is available
  • Packing: 25kgs or 50kgs Bulk Woven Bag + Polywood Pallet
  • Application: Construction, electric power line, new energy industry, auto industry, etc.
  • Product Detail

    Product Detail

    detail

    Product parameters

    Screw Thread d M5 M6 M8 M10 M12 M14 M16 M20
    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 / / /
    b L≤125 16 18 22 26 30 34 38 46
    125<L≤200 / / 28 32 36 40 44 52
    L>200 / / / / / / 57 65
    c min 1 1.1 1.2 1.5 1.8 2.1 2.4 3
    da Form A max 5.7 6.8 9.2 11.2 13.7 15.7 17.7 22.4
    Form B max 6.2 7.4 10 12.6 15.2 17.7 20.7 25.7
    dc max 11.8 14.2 18 22.3 26.6 30.5 35 43
    ds max 5 6 8 10 12 14 16 20
    min 4.82 5.82 7.78 9.78 11.73 13.73 15.73 19.67
    du max 5.5 6.6 9 11 13.5 15.5 17.5 22
    dw min 9.8 12.2 15.8 19.6 23.8 27.6 31.9 39.9
    e min 8.71 10.95 14.26 16.5 17.62 19.86 23.15 29.87
    f max 1.4 2 2 2 3 3 3 4
    k max 5.4 6.6 8.1 9.2 11.5 12.8 14.4 17.1
    k1 min 2 2.5 3.2 3.6 4.6 5.1 5.8 6.8
    r1 min 0.25 0.4 0.4 0.4 0.6 0.6 0.6 0.8
    r2 max 0.3 0.4 0.5 0.6 0.7 0.9 1 1.2
    r3 min 0.1 0.1 0.15 0.2 0.25 0.3 0.35 0.4
    r4 3 3.4 4.3 4.3 6.4 6.4 6.4 8.5
    s max=nominal size 8 10 13 15 16 18 21 27
    min 7.78 9.78 12.73 14.73 15.73 17.73 20.67 26.67
    t max 0.15 0.2 0.25 0.3 0.35 0.45 0.5 0.65
    min 0.05 0.05 0.1 0.15 0.15 0.2 0.25 0.3

    Hexagon flange bolt is a bolt composed of hexagon head, flange plate and screw, which is used to fasten and connect two through holes together with nuts.

     

    1、 Do you have any characteristics

     

    The common bolt head is thick, difficult to deform, and easy to loosen after tightening.

     

    Compared with ordinary bolts, hexagon flange bolts have larger ratio of support area to stress area, higher preload, better relaxation performance, and high precision and durability of decoration. The hexagon flange bolt head is smaller with holes, and the slotted bolt can be locked more firmly in case of slight deformation; The flange plate can be divided into flat bottom and toothed shape according to the needs of the industry, and the latter can play a more fastening role.


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