INTRODUCTION
Torque
NOTE:
In the metric tables, nominal sizes M4 through M8 hardware torque specifications are shown as a Newton
meters (pound-inches) numerical value.
Nominal sizes M10 through M24 hardware torque specifications are shown as a Newton meters (pound-feet) numer-
ical value.
Metric hex head (non-flange) hardware
Plain (PLN) – an unplated hardware finish with residual manufacturing oils
Zinc-dichromate (ZND) – a yellow colored chemical plating formula yellow applied to the hardware
Nominal size
Class (CL) 8.8
bolt and Class
(CL) 8 nut
Class (CL) 10.9
bolt and Class
(CL) 10 nut
Locknut
CL 8
w/CL 8.8 bolt
Locknut
CL 10
w/CL 10.9 bolt
PLN and ZND
PLN and ZND
ZND
ZND
N·m (lb in)
N·m (lb in)
N·m (lb in)
N·m (lb in)
M4
3.5 (31)
5.0 (44)
1.4 (13)
2.8 (25)
M5
7.0 (62)
10 (88)
2.9 (26)
5.5 (49)
M6
11.8 (104)
17 (150)
4.9 (43)
9.4 (83)
M8
28.8 (255)
41.3 (366)
11.9 (105)
23 (204)
N·m (lb ft)
N·m (lb ft)
N·m (lb ft)
N·m (lb ft)
M10
57 (42)
82 (60)
24 (17)
45 (33)
M12
100 (74)
143 (105)
41 (30)
79 (38)
M14
159 (117)
227 (168)
66 (48)
125 (92)
M16
248 (183)
354 (261)
102 (75)
195 (144)
M18
352 (260)
487 (359)
145 (107)
268 (198)
M20
500 (369)
690 (509)
206 (152)
380 (280)
M24
865 (638)
1195 (882)
357 (263)
657 (485)
Metric flange head hardware
Plain (PLN) – an unplated hardware finish with residual manufacturing oils
Zinc-dichromate (ZND) – a yellow colored chemical plating formula yellow applied to the hardware
Nominal size
Class (CL) 8.8
bolt and Class
(CL) 8 nut
Class (CL) 10.9
bolt and Class
(CL) 10 nut
Flange locknut
CL 8
w/CL 8.8 bolt
Flange locknut
CL 10
w/CL 10.9 bolt
PLN and ZND
PLN and ZND
ZND
ZND
N·m (lb in)
N·m (lb in)
N·m (lb in)
N·m (lb in)
M4
3.8 (34)
5.5 (49)
4.2 (37)
6.1 (54)
M5
7.7 (68)
11 (97)
8.5 (75)
12 (106)
M6
13 (115)
18.7 (166)
14.3 (127)
20.6 (182)
M8
31.7 (281)
45.5 (403)
35 (310)
50 (443)
N·m (lb ft)
N·m (lb ft)
N·m (lb ft)
N·m (lb ft)
M10
63 (47)
90 (66)
69 (51)
99 (73)
M12
110 (81)
157 (116)
121 (89)
173 (128)
M14
175 (129)
250 (184)
193 (142)
275 (202)
M16
272 (201)
389 (287)
299 (221)
428 (316)
M18
387 (286)
535 (395)
426 (315)
589 (435)
M20
550 (406)
759 (560)
605 (447)
835 (616)
M24
951 (702)
1315 (970)
1046 (772)
1447 (1067)
48193161 30/11/2017
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Summary of Contents for OPTUM 270 CVT
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