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9.20 TORQUE SPECIFICATION ___________________________________________________
All torque values included in these charts are approximate and are for reference only. Use of these torque values is
at your sole risk. Jacobsen is not responsible for any loss, claim, or damage arising from the use of these charts.
Extreme caution should always be used when using any torque value.
Jacobsen uses Grade 5 Plated bolts as standard, unless otherwise noted. For tightening plated bolts, use the value
given for lubricated.
SIZE
UNITS
GRADE 5
Lubricated
#6-32
in-lb (Nm)
–
#8-32
in-lb (Nm)
–
#10-24
in-lb (Nm)
–
#10-32
in-lb (Nm)
–
#12-24
in-lb (Nm)
–
1/4-20
in-lb (Nm)
75 (8.4)
1/4-28
in-lb (Nm)
85 (9.6)
5/16-18
in-lb (Nm)
157 (17.7)
5/16-24
in-lb (Nm)
173 (19.5)
3/8-16
ft-lb (Nm)
23 (31.1)
3/8-24
ft-lb (Nm)
26 (35.2)
SIZE
UNITS
Lubricated
M4
Nm (in-lb)
–
M5
Nm (in-lb)
1.80 (16)
M6
Nm (in-lb)
3.05 (27)
M8
Nm (in-lb)
7.41 (65)
M10
Nm (ft-lb)
14.7 (11)
M12
Nm (ft-lb)
25.6 (19)
M14
Nm (ft-lb)
40.8 (30)
9.21 SPECIFIC TORQUE ________________________________________________________
1. Tie rod ball joints: (2) 30 - 35 ft. lb. (41 - 47 Nm)
2. Engine drain plugs: 22 ft. lb. (30 Nm)
3. Steering ball joints: 50 - 55 ft. lb. (68 - 75 Nm)
AMERICAN NATIONAL STANDARD FASTENERS
GRADE 8
Dry
Lubricated
20 (2.3)
–
24 (2.7)
–
35 (4.0)
–
40 (4.5)
–
50 (5.7)
–
100 (11.3)
107 (12.1)
115 (13.0)
120 (13.5)
210 (23.7)
220 (24.8)
230 (26.0)
245 (27.6)
31 (42.0)
32 (43.3)
35 (47.4)
37 (50.1)
METRIC FASTENERS
4.6
8.8
Dry
Lubricated
–
–
2.40 (21)
4.63 (41)
4.07 (36)
7.87 (69)
9.98 (88)
19.1 (69)
19.6 (14)
37.8 (29)
34.1 (25)
66.0 (48)
54.3 (40)
105 (77)
NOTICE
SIZE
UNITS
Dry
–
7/16-14
ft-lb (Nm)
30 (3.4)
7/16-20
ft-lb (Nm)
45 (5.1)
1/2-13
ft-lb (Nm)
50 (5.7)
1/2-20
ft-lb (Nm)
65 (7.3)
9/16-12
ft-lb (Nm)
143 (16.1)
9/16-18
ft-lb (Nm)
163 (18.4)
5/8-11
ft-lb (Nm)
305 (34.4)
5/8-18
ft-lb (Nm)
325 (36.7)
3/4-10
ft-lb (Nm)
44 (59.6)
3/4-16
ft-lb (Nm)
50 (67.8)
7/8-14
ft-lb (Nm)
10.9
Dry
Lubricated
–
–
6.18 (54)
6.63 (59)
8.84 (78)
10.5 (93)
11.3 (102)
15.0 (133)
25.5 (226)
27.3 (241)
36.5 (323)
50.5 (37)
54.1 (40)
72.2 (53)
88.0 (65)
94.5 (70)
125 (92)
140 (103)
150 (110)
200 (147)
4. Steering wheel nut: 30-40 ft. lb (41 - 51 Nm)
5. Wheel hardware:65 - 85 ft. lb. (88 - 116 Nm)
ADJUSTMENTS
GRADE 5
Lubri-
Dry
cated
37 (50.1)
50 (67.8)
53 (71.8)
42 (56.9)
55 (74.6)
59 (80.0)
57 (77.2)
75 (101)
80 (108)
64 (86.7)
85 (115)
90 (122)
82 (111)
109 (148)
115 (156)
92 (124)
122 (165)
129 (174)
113 (153)
151 (204)
159 (215)
128 (173)
170 (230)
180 (244)
200 (271)
266 (360)
282 (382)
223 (302)
298 404
315 (427)
355 (481)
473 (641)
500 (678)
12.9
Dry
Lubricated
Dry
–
3.83 (34)
5.11 (45)
7.75 (68)
10.3 (910
13.2 (117)
17.6 (156)
32.0 (283)
42.6 (377)
63.3 (46)
84.4 (62)
110 (81)
147 (108)
175 (129)
234 (172)
9
GRADE 8
Lubri-
Dry
cated
70 (94.9)
78 (105)
107 (145)
120 (162)
154 (209)
172 (233)
211 (286)
240 (325)
376 (509)
420 (569)
668 (905)
Non Critical
Fasteners
into
Aluminum
2.0 (18)
4.0 (35)
6.8 (60)
17.0 (150)
33.9 (25)
61.0 (45)
94.9 (70)
49
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