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High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts Featured Image
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts
  • High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts

High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts


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    High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts (10)
    Name 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 Black Oxide DIN912 Allen Bolts (8)
    High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts (9)
    High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts (5)
    High Strength Grade 4.8 8.8 10.9 12.9 Steel Black Oxide DIN912 Allen Bolts (6)

    Product Standards

    detail4
    Hexagon socket head cap screws DIN 912
    thread size M1.4 M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20
    d
    P pitch coarse teeth 0.3 0.35 0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5
    fine teeth 1 - - - - - - - - 1 1.25 1.25 1.5 1.5 1.5 1.5
    fine teeth 2 - - - - - - - - - 1 1.5 - - 2 2
    dk round head maximum value 2.6 3 3.8 4.5 5.5 7 8.5 10 13 16 18 twenty one twenty four 27 30
    knurled head maximum value 2.74 3.14 3.98 4.68 5.68 7.22 8.72 10.22 13.27 16.27 18.27 21.33 24.33 27.33 30.33
    minimum 2.46 2.86 3.62 4.32 5.32 6.78 8.28 9.78 12.73 15.73 17.73 20.67 23.67 26.67 29.67
    d a maximum value 1.8 2 2.6 3.1 3.6 4.7 5.7 6.8 9.2 11.2 13.7 15.7 17.7 20.2 22.4
    ds maximum value 1.4 1.6 2 2.5 3 4 5 6 8 10 12 14 16 18 20
    minimum 1.26 1.46 1.86 2.36 2.86 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67
    and minimum 1.5 1.73 1.73 2.3 2.87 3.44 4.58 5.72 6.86 9.15 11.43 13.72 16 16 19.44
    k maximum value 1.4 1.6 2 2.5 3 4 5 6 8 10 12 14 16 18 20
    minimum 1.26 1.46 1.86 2.36 2.86 3.82 4.82 5.7 7.64 9.64 11.57 13.57 15.57 17.57 19.48
    s Nominal 1.3 1.5 1.5 2 2.5 3 4 5 6 8 10 12 14 14 17
    minimum 1.32 1.52 1.52 2.02 2.52 3.02 4.02 5.02 6.02 8.025 10.025 12.032 14.032 14.032 17.05
    maximum value 1.36 1.56 1.56 2.06 2.58 3.08 4.095 5.14 6.14 8.175 10.175 12.212 14.212 14.212 17.23
    t minimum 0.6 0.7 1 1.1 1.3 2 2.5 3 4 5 6 7 8 9 10
    in minimum 0.5 0.55 0.55 0.85 1.15 1.4 1.9 2.3 3 4 4.8 5.8 6.8 7.8 8.6
    Thousand pieces of steel weight ≈kg - - - - - - - - - - - - - - -
    thread length b - - - - - - - - - - - - - - -
    thread size (M22) M24 (M27) M30 (M33) M36 M42 M48 M56 M64 M72 M80 M90 M100
    d
    P pitch coarse teeth 2.5 3 3 3.5 3.5 4 4.5 5 5.5 6 6 6 6 6
    fine teeth 1 1.5 2 2 2 2 3 3 3 4 4 4 4 4 4
    fine teeth 2 2 - - - - - - - - - - - - -
    dk round head maximum value 33 36 40 45 50 54 63 72 84 96 108 120 135 150
    knurled head maximum value 33.39 36.39 40.39 45.39 50.39 54.46 63.46 72.46 84.54 96.54 108.54 120.54 135.63 150.63
    minimum 32.61 35.61 39.61 44.61 49.61 53.54 62.54 71.54 83.46 95.46 107.46 119.46 134.37 149.37
    d a maximum value 24.4 26.4 30.4 33.4 36.4 39.4 45.5 52.6 63 71 79 87 97 107
    ds maximum value twenty two twenty four 27 30 33 36 42 48 56 64 72 80 90 100
    minimum 21.67 23.67 26.67 29.67 32.61 35.61 41.61 47.61 55.54 63.54 71.54 79.54 89.46 99.46
    and minimum 19.44 21.73 21.73 25.15 27.43 30.85 36.57 41.13 46.83 52.53 62.81 74.21 85.61 97.04
    k maximum value twenty two twenty four 27 30 33 36 42 48 56 64 72 80 90 100
    minimum 21.48 23.48 26.48 29.48 32.38 35.38 41.38 47.38 55.26 63.26 71.26 79.26 89.13 99.13
    s Nominal 17 19 19 twenty two twenty four 27 32 36 41 46 55 65 75 85
    minimum 17.05 19.065 19.065 22.065 24.065 27.065 32.08 36.08 41.08 46.08 55.1 65.1 75.1 85.12
    maximum value 17.23 19.275 19.275 22.275 24.275 27.275 32.33 36.33 41.33 46.33 55.4 65.4 75.4 85.47
    t minimum 11 12 13.5 15.5 18 19 twenty four 28 34 38 43 48 54 60
    in minimum 9.4 10.4 11.9 13.1 13.5 15.3 16.3 17.5 19 twenty two 25 27 32 34
    Thousand pieces of steel weight ≈kg - - - - - - - - - - - - - -
    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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