National Crane 1-21-2019 Control # 104-07 1-11
1400A SERVICE MANUAL INTRODUCTION
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
M22x2.5
8.8 474.4 462.6 450.7
10.9 675.7 658.8 641.9
12.9 790.7 770.9 751.2
M24x3
8.8 601.3 586.3 571.3
10.9 856.4 835.0 813.6
12.9 1002.2 977.1 952.1
M27x3
8.8 881.6 859.6 837.5
10.9 1255.7 1224.3 1192.9
12.9 1469.4 1432.7 1395.9
M30x3.5
8.8 1195.3 1165.5 1135.6
10.9 1702.5 1659.9 1617.3
12.9 1992.3 1942.4 1892.6
Table 1-3 Metric Series with Coarse Threads – Zinc Flake Coated (Continued)
Nominal Size, Threads per
Inch, and Series
Designation
Property
Class
Torque (Nm)
Maximum Nominal Minimum
Fo
r
Reference
Only