8.8 grade DIN933 hexagon bolt with heat treatment diameter range M4-M52

Short Description:

  • Product Name: 8.8 grade DIN933 Hexagon Bolt
  • Key Words: 8.8 grade Bolt, DIN933, high strength bolt with heat treatment, hexagon bolt
  • Size: Diameter M4- M52, Length 10-500mm
  • Material: 35K, 45#, all from china large state-owned factory with quality certificates
  • Strength: Real Grade 8.8
  • Surface Treatment: White/blue white zinc plated
  • Thread Length: Fully 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

    Surface treatment

    P2

    Related Knowlege :
    The material comes from a china state-owned big steel manufacturer, which can issue an authoritative material inspection report for 35 #, 45 #, 345B, 40Cr, 35CrmoA, and other special materials.

    This guarantee the required hardness and screw torque and other mechanical characters.

    Product Parameter

    Screw Thread d M4 M5 M6 (M7) M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52)
    P Pitch 0.7 0.8 1 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5
    a max 2.1 2.4 3 3 3.75 4.5 5.25 6 6 7.5 7.5 7.5 9 9 10.5 10.5 12 12 13.5 13.5 15 15
    c min 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3
    max 0.4 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 1 1 1 1 1
    da max 4.7 5.7 6.8 7.8 9.2 11.2 13.7 15.7 17.7 20.2 22.4 24.4 26.4 30.4 33.4 36.4 39.4 42.4 45.6 48.6 52.6 56.6
    dw Grade A min 5.9 6.9 8.9 9.6 11.6 15.6 17.4 20.5 22.5 25.3 28.2 30 33.6 - - - - - - - - -
    Grade B min 5.7 6.7 8.7 9.4 11.4 15.4 17.2 20.1 22 24.8 27.7 29.5 33.2 38 42.7 46.5 51.1 55.9 59.9 64.7 69.4 74.2
    e Grade A min 7.66 8.79 11.05 12.12 14.38 18.9 21.1 24.49 26.75 30.14 33.53 35.72 39.98 - - - - - - - - -
    Grade B min 7.5 8.63 10.89 11.94 14.2 18.72 20.88 23.91 26.17 29.56 32.95 35.03 39.55 45.2 50.85 55.37 60.79 66.44 71.3 76.95 82.6 88.25
    k Nominal Size 2.8 3.5 4 4.8 5.3 6.4 7.5 8.8 10 11.5 12.5 14 15 17 18.7 21 22.5 25 26 28 30 33
    Grade A min 2.68 3.35 3.85 4.65 5.15 6.22 7.32 8.62 9.82 11.28 12.28 13.78 14.78 - - - - - - - - -
    max 2.92 3.65 4.15 4.95 5.45 6.56 7.68 8.98 10.18 11.72 12.72 14.22 15.22 - - - - - - - - -
    Grade B min 2.6 3.26 3.76 4.56 5.06 6.11 7.21 8.51 9.71 11.15 12.15 13.65 14.65 16.65 18.28 20.58 22.08 24.58 25.58 27.58 29.58 32.5
    max 3 3.74 4.24 5.04 5.54 6.69 7.79 9.09 10.29 11.85 12.85 14.35 15.35 17.35 19.12 21.42 22.92 25.42 26.42 28.42 30.42 33.5
    k1 min 1.9 2.28 2.63 3.19 3.54 4.28 5.05 5.96 6.8 7.8 8.5 9.6 10.3 11.7 12.8 14.4 15.5 17.2 17.9 19.3 20.9 22.8
    r min 0.2 0.2 0.25 0.25 0.4 0.4 0.6 0.6 0.6 0.6 0.8 0.8 0.8 1 1 1 1 1 1.2 1.2 1.6 1.6
    s max=nominal size 7 8 10 11 13 17 19 22 24 27 30 32 36 41 46 50 55 60 65 70 75 80
    Grade A min 6.78 7.78 9.78 10.73 12.73 16.73 18.67 21.67 23.67 26.67 29.67 31.61 35.38 - - - - - - - - -
    Grade B min 6.64 7.64 9.64 10.57 12.57 16.57 18.48 21.16 23.16 26.15 29.16 31 35 40 45 49 53.8 58.8 63.1 68.1 73.1 78.1

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