Manitowoc National Crane NBT40 Series - Weld Studs

National Crane Published 8-01-2017 Control # 287-11 1-21
NBT40 SERVICE MANUAL INTRODUCTION
1
10
Weld Studs
Unless otherwise specified the following grade 2 torque
values (+/- 10%) apply.
Table 1-13: Weld Stud Torque Values
M24x2
8.8 836 803.5 771
10.9 1176 1130.5 1085
12.9 1410 1356 1302
M27x2
8.8 1225 1171.5 1130
10.9 1718 1652.5 1587
12.9 2063 1983.5 1904
M30x1.5
8.8 1530 1471.5 1413
10.9 2253 2166.5 2080
12.9 2637 2536 2435
M30x2
8.8 1661 1597.5 1534
10.9 2336 2246.5 2157
12.9 2800 2695 2590
M33x2
8.8 2141 2059 1977
10.9 3155 3034 2913
12.9 3692 3550.5 3409
M36x2
8.8 2795 2688 2581
10.9 4118 3960 3802
12.9 4818 4634 4450
Size
Property
Class
Torque (Nm)
Maximum Nominal Minimum
T-2-4
Reference Only