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    Bolt Torque Cl4.6-Tight-Torq

    Uploaded by

    Mir Asif
    This document provides metric allthread sizes, specifications, and recommended tightening torques. It includes the thread size and pitch, tensile strength, proof strength, shear strength, stress area, core area, and recommended tightening torque for plain, zinc-plated, and hot-dip galvanized allthread in sizes from M3 to M64. The tightening torque values are guidelines that assume burr-free threads with a light oil coating and do not consider multiple assemblies or re-tightening.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    Bolt Torque Cl4.6-Tight-Torq

    Uploaded by

    Mir Asif
    84 views1 page
    This document provides metric allthread sizes, specifications, and recommended tightening torques. It includes the thread size and pitch, tensile strength, proof strength, shear strength, stress area, core area, and recommended tightening torque for plain, zinc-plated, and hot-dip galvanized allthread in sizes from M3 to M64. The tightening torque values are guidelines that assume burr-free threads with a light oil coating and do not consider multiple assemblies or re-tightening.

    Original Description:

    Tightening torque Cl 4.6 bolts

    Original Title

    Bolt Torque cl4.6-tight-torq

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    © © All Rights Reserved

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    This document provides metric allthread sizes, specifications, and recommended tightening torques. It includes the thread size and pitch, tensile strength, proof strength, shear strength, stress area, core area, and recommended tightening torque for plain, zinc-plated, and hot-dip galvanized allthread in sizes from M3 to M64. The tightening torque values are guidelines that assume burr-free threads with a light oil coating and do not consider multiple assemblies or re-tightening.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    84 views1 page

    Bolt Torque Cl4.6-Tight-Torq

    Uploaded by

    Mir Asif
    This document provides metric allthread sizes, specifications, and recommended tightening torques. It includes the thread size and pitch, tensile strength, proof strength, shear strength, stress area, core area, and recommended tightening torque for plain, zinc-plated, and hot-dip galvanized allthread in sizes from M3 to M64. The tightening torque values are guidelines that assume burr-free threads with a light oil coating and do not consider multiple assemblies or re-tightening.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 1

    Allthread

    Tensile / Yield / Shear Strength


    Tightening Torque

    METRIC ALLTHREAD - RECOMMENDED TIGHTENING TORQUE


    CLASS 4.6

    Tensile Proof Shear


    Size Pitch Stress Area Core Area Recommended Tightening Torque
    Strength Strength Strength

    (mm) (mm) (mm) (kN) (kN) (kN) Plain (Nm) Zinc (Nm) HDG (Nm)
    M3 0.50 5.0 4.5 2.0 1.1 1.1 0.4 0.3 0.9
    M4 0.70 8.8 7.8 3.5 2.0 1.9 1.0 0.7 2.2
    M5 0.80 14.2 12.7 5.7 3.2 3.0 2.1 1.5 4.4
    M6 1.00 20.1 17.9 8.0 4.5 4.3 3.5 2.5 7.4
    M8 1.25 36.6 32.8 14.6 8.2 7.9 8.6 6.0 18.0
    M10 1.50 58.0 52.3 23.2 13.1 12.6 17.0 11.9 35.6
    M12 1.75 84.3 76.2 33.7 19.0 18.3 29.6 20.7 62.1
    M14 2.00 115.0 104.7 46.0 25.9 25.1 47.1 33.0 98.9
    M16 2.00 157.0 144.0 62.8 35.3 34.6 73.5 51.4 154.3
    M18 2.50 192.0 175.0 76.8 43.2 42.0 101.1 70.8 212.3
    M20 2.50 245.0 225.0 98.0 55.1 54.0 143.3 100.3 301.0
    M22 2.50 303.0 281.0 121.2 68.2 67.4 195.0 136.5 409.5
    M24 3.00 353.0 324.0 141.2 79.4 77.8 247.8 173.5 520.4
    M27 3.00 459.0 427.0 183.6 103.3 102.5 362.5 253.7 761.2
    M30 3.50 561.0 519.0 224.4 126.2 124.6 492.3 344.6 1033.8
    M33 3.50 694.0 647.0 277.6 156.2 155.3 669.9 468.9 1406.8
    M36 4.00 817.0 759.0 326.8 183.8 182.2 860.3 602.2 1806.6
    M39 4.00 976.0 912.0 390.4 219.6 218.9 1113.4 779.4 2338.1
    M42 4.50 1120.0 1050.0 448.0 252.0 252.0 1375.9 963.1 2889.4
    M48 5.00 1470.0 1380.0 588.0 330.8 331.2 2063.9 1444.7 4334.1
    M56 5.50 2030.0 1910.0 812.0 456.8 458.4 3325.1 2327.6 6982.8
    M64 6.00 2680.0 2520.0 1072.0 603.0 604.8 5017.0 3511.9 10535.6

    Note:
    The tightening torque values given in the above table serve only as a guide. A k factor of 0.2 has been used which assumes
    threads are plain finish, burr free with a light oil coating. It should be noted that these figures are based on the first tightening of
    single assemblies in isolation.

    v.1.4
    Quality Fasteners Since 1935   August 2007

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