GROVE Published 10-21-2010, Control# 198-04 1-13
5540F/YB5515 SERVICE MANUAL
Table 1-7: Metric Fasteners, Fine Thread, Untreated
Table 1-8: UNC (Course) Thread: Torque Values for
Stainless Steel Fasteners with Oil Lubrication
NOTE: Stainless steel fasteners tend to gall while being
tightened. To reduce this risk, lubricate the threads
with oil or molybdenum disulfide and torque at low
speeds without interruptions. Do not use excessive
pressure. Impact wrenches are not recommended.
Table 1-9: Metric Course Thread: Torque Values for
Stainless Steel Fasteners with Oil Lubrication
NOTE: Stainless steel fasteners tend to gall while being
tightened. To reduce this risk, lubricate the threads
with oil or molybdenum disulfide and torque at low
speeds without interruptions. Do not use excessive
pressure. Impact wrenches are not recommended.
Bolt Diameter - Metric
Torque Values (Nm, Maximum/Minimum)
Grade
M8x1
0.157
M10x1
0.197
M10x1.25
0.236
M12x1.5
0.315
M14x1.5
0.394
M16x1.5
0.472
M18x1.5
0.551
M20x1.5
0.630
M22x1.5
0.709
M24x2
0.787
M27x2
0.866
M30x2
0.945
M33x2
1.06
M36x3
1.18
8.8
29
27
57
53
57
53
100
92
160
147
248
229
345
318
483
446
657
607
836
771
1225
1130
1661
1534
—
—
—
—
10.9
41
38
81
75
81
75
1140
130
229
211
348
322
491
451
679
627
924
853
1176
1085
1718
1587
2336
2157
—
—
—
—
12.9
49
45
96
90
96
90
168
156
268
246
418
386
575
529
81
6
75
4
1111
1025
1410
1302
2063
1904
2800
2590
—
—
—
—
Size
Torque Value
lb-in lb-ft
#5 (0.125) 6.9 —
#8 (0.164) 18 —
#10 (0.190) 21 —
1/4 68 —
5/16 120 10
3/8 210 17.5
7/16 340 28
1/2 —39
5/8 —74
3/4 —114
Size
Torque
Value
Nm
M2.5 0.4
M3 0.9
M4 1.5
M5 3.1
M6 5.3
M8 13.0
M10 27.0
M12 45.0
M14 71.1
M16 109
M18 157
M20 220
Reference Only