Manitowoc National Crane NBT40 Series, Service Manual

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Published 8-01-2017 Control # 287-11
INTRODUCTION NBT40 SERVICE MANUAL
Table 1-11
Metric Series with Coarse Threads – Untreated (black finish)
Size
Property
Class
Torque (Nm)
Maximum Nominal Minimum
M4x0.7
8.8 3.1 2.9 2.8
10.9 4.5 4.3 4.1
12.9 5.4 5.2 4.9
M5x0.8
8.8 6.5 6.2 5.9
10.9 9.2 8.9 8.5
12.9 11 10.5 10
M6x1
8.8 11 10.5 10
10.9 16 15 14
12.9 19 18 17
M8x1.25
8.8 27 26 25
10.9 38 36.5 35
12.9 45 43.5 42
M10x1.5
8.8 53 51 49
10.9 75 72 69
12.9 89 86 83
M12x1.75
8.8 93 89 85
10.9 130 125 120
12.9 156 150 144
M14x2
8.8 148 142 136
10.9 212 203.5 195
12.9 248 238 228
M16x2
8.8 230 221 212
10.9 322 310 298
12.9 387 372 357
M18x2.5
8.8 319 306.5 294
10.9 455 436.5 418
12.9 532 511 490
M20x2.5
8.8 447 430 413
10.9 629 605 581
12.9 756 727 698
M22x2.5
8.8 608 585 562
10.9 856 823 790
12.9 1029 989 949
M24x3
8.8 774 744 714
10.9 1089 1047 1005
12.9 1306 1256 1206
Reference Only