1-10 01-22-2019 Control # 051-08
INTRODUCTION 1300A
1 3/8-12 UNF
5 1314.4 1281.5 1248.6
8 2109.5 2056.7 2004.0
1 1/2-12 UNF
5 1723.9 1680.8 1637.7
8 2766.8 2697.6 2628.4
Table 1-2 Inch Series with Fine Threads (UNF) – Zinc Flake Coated (Continued)
Nominal Size, Threads per
Inch, and Series
Designation
Grade
Torque (ft/lb)
Maximum Nominal Minimum
Table 1-3 Metric Series with Coarse Threads – Zinc Flake Coated
Nominal Size, Threads per
millimeter, and Series
Designation
Property
Class
Torque (Nm)
Maximum Nominal Minimum
M4x0.7
10.9 3.6 3.5 3.4
12.9 4.2 4.1 4.0
M5x0.8
10.9 7.2 7.0 6.8
12.9 8.4 8.2 8.0
M6x1.0
8.8 8.3 8.1 7.9
10.9 12.2 11.9 11.6
12.9 14.3 13.9 13.6
M8x1.25
8.8 20.2 19.7 19.2
10.9 29.6 28.9 28.2
12.9 34.7 33.8 33.0
M10x1.5
8.8 40.0 39.0 38.0
10.9 58.7 57.2 55.8
12.9 68.7 67.0 65.3
M12x1.75
8.8 69.7 68.0 66.2
10.9 102.4 99.8 97.2
12.9 119.8 116.8 113.8
M14x2
8.8 111.4 108.6 105.8
10.9 163.6 159.5 155.4
12.9 191.5 186.7 181.9
M16x2
8.8 172.8 168.5 164.1
10.9 253.8 247.4 241.1
12.9 296.9 289.5 282.1
M18x2.5
8.8 246.2 240.1 233.9
10.9 350.7 341.9 333.2
12.9 410.4 400.1 389.9
M20x2.5
8.8 348.0 339.3 330.6
10.9 495.6 483.2 470.8
12.9 580.0 565.5 551.0