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High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts Featured Image
  • High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts

High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts


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    High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts (6)
    Name Hex Flange Bolts
    Standards DIN ISO ANC BSW JIS etc.
    Size M3-M50
    Length 15-500
    Materials Carbon Steel/Stainless Steel
    Strength level 4.8 8.8 10.9 12.9 A2-70 A4-70 A4-80
    Surface finish ZPHDGBLACKDacromet etc.
    Samples Available
    High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts (5)
    High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts (4)
    High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts (3)
    High Strength Grade 4.8 8.8 10.9 12.9 Dacromet DIN6921 Flange Bolts (1)

    Product Standards

    detail3
    Hexagon head flange bolts DIN 6921
    Thread specification M5 M6 M8 M10 M12 M14 M16 M20
    d
    P pitch coarse teeth 0.8 1 1.25 1.5 1.75 2 2 2.5
    fine teeth 1 / / 1 1.25 1.5 1.5 1.5 1.5
    fine teeth 2 / / / 1 1.25 / / /
    b L≤125 16 18 twenty two 26 30 34 38 46
    125＜L≤200 / / 28 32 36 40 44 52
    L＞200 / / / / / / 57 65
    c minimum 1 1.1 1.2 1.5 1.8 2.1 2.4 3
    d a Type A maximum value 5.7 6.8 9.2 11.2 13.7 15.7 17.7 22.4
    Type B maximum value 6.2 7.4 10 12.6 15.2 17.7 20.7 25.7
    dc maximum value 11.8 14.2 18 22.3 26.6 30.5 35 43
    ds maximum value 5 6 8 10 12 14 16 20
    minimum 4.82 5.82 7.78 9.78 11.73 13.73 15.73 19.67
    of u maximum value 5.5 6.6 9 11 13.5 15.5 17.5 twenty two
    dw minimum 9.8 12.2 15.8 19.6 23.8 27.6 31.9 39.9
    and minimum 8.71 10.95 14.26 16.5 17.62 19.86 23.15 29.87
    f maximum value 1.4 2 2 2 3 3 3 4
    k maximum value 5.4 6.6 8.1 9.2 11.5 12.8 14.4 17.1
    k 1 minimum 2 2.5 3.2 3.6 4.6 5.1 5.8 6.8
    r 1 minimum 0.25 0.4 0.4 0.4 0.6 0.6 0.6 0.8
    r 2 maximum value 0.3 0.4 0.5 0.6 0.7 0.9 1 1.2
    r 3 minimum 0.1 0.1 0.15 0.2 0.25 0.3 0.35 0.4
    r 4 ≈ 3 3.4 4.3 4.3 6.4 6.4 6.4 8.5
    s max = nominal 8 10 13 15 16 18 twenty one 27
    minimum 7.78 9.78 12.73 14.73 15.73 17.73 20.67 26.67
    t maximum value 0.15 0.2 0.25 0.3 0.35 0.45 0.5 0.65
    minimum 0.05 0.05 0.1 0.15 0.15 0.2 0.25 0.3
    thread length b - - - - - - - -

    About Us

    Dabang Fasteners is a wholly-owned subsidiary of Hebei Chengyi Engineering Materials Co., Ltd.
    Our parent company has 21 years experience in fastener production and is ISO9001 ISO14001 ISO45001 SGS certified.
    We focus on providing customers with competitive products that meet user needs.
    --- Factory price, saving 15-30% of the middleman price difference.
    --- exporting to 154 countries, accumulatively serving 1800+ customers, rich export experience
    --- 5000 tons in stock, up to 3000 tons per month, average delivery time 7-20 days.
    --- After-sales team of 25 people, solve all after-sales problems

    0 Risk Commitment
    --- If the product quality and packaging problems are found after receiving the goods,
    help solve the problem and unconditionally compensate the loss within 30 days.

    Our added value
    --- In China, provide you with free factory inspection services.

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