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High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN7984 Low Head Hex Socket Bolts Featured Image
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN7984 Low Head Hex Socket Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN7984 Low Head Hex Socket Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN7984 Low Head Hex Socket Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN7984 Low Head Hex Socket Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN7984 Low Head Hex Socket Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN7984 Low Head Hex Socket Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN7984 Low Head Hex Socket Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN7984 Low Head Hex Socket Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN7984 Low Head Hex Socket Bolts

High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN7984 Low Head Hex Socket Bolts


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    High Strength Grade 4.8 8.8 10.9 12.9 Steel Bla (
    Name Low head allen 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 Steel Bla (
    High Strength Grade 4.8 8.8 10.9 12.9 Steel Bla ( (2)
    High Strength Grade 4.8 8.8 10.9 12.9 Steel Bla ( (14)
    High Strength Grade 4.8 8.8 10.9 12.9 Steel Bla ( (12)

    Product Standards

    detail14
    Hexagon socket head cap screws DIN 7984
    Thread specification M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24
    d
    P pitch 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3
    b L≤125 12 14 16 18 twenty two 26 30 34 38 42 46 50 54
    125＜L≤200 - - - - 28 32 36 40 44 48 52 56 60
    L＞200 - - - - - - - - 57 61 65 69 73
    dk max = nominal 5.5 7 8.5 10 13 16 18 twenty one twenty four 27 30 33 36
    minimum 5.32 6.78 8.28 9.78 12.73 15.73 17.73 20.67 23.67 26.67 29.67 32.61 35.61
    ds max = nominal 3 4 5 6 8 10 12 14 16 18 20 twenty two twenty four
    minimum 2.86 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67 21.67 23.67
    k max = nominal 2 2.8 3.5 4 5 6 7 8 9 10 11 12 13
    minimum 1.86 2.66 3.32 3.82 4.82 5.82 6.78 7.78 8.78 9.78 10.73 11.73 12.73
    s Nominal 2 2.5 3 4 5 7 8 10 12 12 14 14 17
    minimum 2.02 2.52 3.02 4.02 5.02 7.025 8.025 10.025 12.032 12.032 14.032 14.032 17.05
    maximum value 2.1 2.6 3.1 4.12 5.14 7.175 8.175 10.175 12.212 12.212 14.212 14.212 17.23
    t Nominal 1.5 2.3 2.7 3 3.8 4.5 5 5.3 5.5 6.5 7.5 8 8
    minimum 1.38 2.18 2.58 2.88 3.65 4.35 4.85 5.15 5.35 6.32 7.32 7.82 7.82
    maximum value 1.62 2.42 2.82 3.12 3.95 4.65 5.15 5.45 5.65 6.68 7.68 8.18 8.18
    Thousand pieces of steel weight ≈kg - - - - - - - - - - - - -

    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.

    about_us2

    Factory Introduction

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    Production Process

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    Packing and Shipping

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    Certificate

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    Exhibition/partner Photos

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