Case 2050M Operator's Manual page 159

Metric flanged hardware
Nominal Class 8.8 bolt and Class 8 nut
size
Unplated
2.4 N·m
M4
(21 lb in)
4.9 N·m
M5
(43 lb in)
8.3 N·m
M6
(73 lb in)
20 N·m
M8
(179 lb in)
40 N·m
M10
(30 lb ft)
70 N·m
M12
(52 lb ft)
174 N·m
M16
(128 lb ft)
350 N·m
M20
(259 lb ft)
607 N·m
M24
(447 lb ft)
Identification
Metric hex head and carriage bolts, classes 5.6 and up
1. Manufacturer's identification
2. Property class
Metric hex nuts and locknuts, classes 05 and up
1. Manufacturer's identification
2. Property class
3. Clock marking of property class and manufacturer's
identification (optional), i.e. marks 60 ° apart indicate
Class 10 properties and marks 120 ° apart indicate
Class 8.
7 - MAINTENANCE
Class 10.9 bolt and Class 10
Plated W/ZnCr Unplated
3.2 N·m 3.5 N·m
(28 lb in) (31 lb in)
6.5 N·m 7.0 N·m
(58 lb in) (62 lb in)
11 N·m 12 N·m
(96 lb in) (105 lb in)
27 N·m 29 N·m
(240 lb in) (257 lb in)
54 N·m 57 N·m
(40 lb ft) (42 lb ft)
93 N·m 100 N·m
(69 lb ft) (74 lb ft)
231 N·m 248 N·m
(171 lb ft) (183 lb ft)
467 N·m 484 N·m
(345 lb ft) (357 lb ft)
809 N·m 838 N·m
(597 lb ft) (618 lb ft)
nut
Plated W/ZnCr
4.6 N·m
(41 lb in)
9.4 N·m
(83 lb in)
16 N·m
(141 lb in)
39 N·m
(343 lb in)
77 N·m
(56 lb ft)
134 N·m
(98 lb ft)
331 N·m
(244 lb ft)
645 N·m
(476 lb ft)
1118 N·m
(824 lb ft)
7-3
Locknut CL.8 Locknut CL.10
W/CL8.8 bolt W/CL10.9 bolt
2.2 N·m 3.1 N·m
(19 lb in) (27 lb in)
4.4 N·m 6.4 N·m
(39 lb in) (57 lb in)
7.5 N·m 11 N·m
(66 lb in) (96 lb in)
18 N·m 27 N·m
(163 lb in) (240 lb in)
37 N·m 53 N·m
(27 lb ft) (39 lb ft)
63 N·m 91 N·m
(47 lb ft) (67 lb ft)
158 N·m 226 N·m
(116 lb ft) (167 lb ft)
318 N·m 440 N·m
(235 lb ft) (325 lb ft)
552 N·m
(407 lb ft)
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