INTRODUCTION GRT880 SERVICE MANUAL
1-20
Published 10/19/2017, Control # 618-00
Table 1-8 Metric Series with Fine Threads – Zinc Flake Coated
M36x4
8.8 2089.8 2037.6 1985.3
10.9 2976.4 2902.0 2827.6
12.9 3483.0 3395.9 3308.9
Nominal Size, Threads per
Inch, and Series
Designation
Property
Class
Torque (Nm)
Maximum Nominal Minimum
M8x1.0
8.8 21.6 21.1 20.5
10.9 31.7 30.9 30.1
12.9 37.1 36.2 35.3
M10x.75
8.8 46.8 45.6 44.4
10.9 68.7 67.0 65.3
12.9 80.4 78.4 76.4
M10x1.25
8.8 42.2 41.1 40.1
10.9 62.0 60.4 58.9
12.9 72.5 70.7 68.9
M12x1.0
8.8 79.5 77.5 75.5
10.9 116.7 113.8 110.9
12.9 136.6 133.2 129.8
M12x1.25
8.8 76.2 74.2 72.3
10.9 111.8 109.0 106.3
12.9 130.9 127.6 124.3
M12x1.5
8.8 72.9 71.1 69.2
10.9 107.1 104.4 101.7
12.9 125.3 122.1 119.0
M14x1.5
8.8 120.2 117.2 114.2
10.9 176.5 172.1 167.7
12.9 206.6 201.4 196.2
M16x1.5
8.8 184.4 179.8 175.2
10.9 270.9 264.1 257.3
12.9 317.0 309.1 301.2
M18x1.5
8.8 276.6 269.7 262.8
10.9 394.0 384.2 374.3
12.9 461.1 449.6 438.0
M20x1
8.8 405.7 395.5 385.4
10.9 577.8 563.3 548.9
12.9 676.1 659.2 642.3
Nominal Size, Threads per
Inch, and Series
Designation
Property
Class
Torque (Nm)
Maximum Nominal Minimum
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