3.7
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
Jacobsen uses Grade 5 bolts as standard, unless otherwise noted.
AMERICAN NATIONAL STANDARD FASTENERS
SIZE
UNITS
#6-32
in-lbs (Nm)
#8-32
in-lbs (Nm)
#10-24
in-lbs (Nm)
#10-32
in-lbs (Nm)
#12-24
in-lbs (Nm)
1/4-20
in-lbs (Nm)
1/4-28
in-lbs (Nm)
5/16-18
in-lbs (Nm)
5/16-24
in-lbs (Nm)
3/8-16
ft-lbs (Nm)
3/8-24
ft-lbs (Nm)
SIZE
UNITS
M4
Nm (in-lbs)
M5
Nm (in-lbs)
M6
Nm (in-lbs)
M8
Nm (in-lbs)
M10
Nm (ft-lbs)
M12
Nm (ft-lbs)
M14
Nm (ft-lbs)
caution should always be used when using any torque value.
GRADE 5
GRADE 8
20 (2.3)
–
24 (2.7)
30 (3.4)
35 (4.0)
45 (5.1)
40 (4.5)
50 (5.7)
50 (5.7)
65 (7.3)
95 (10.7)
125 (14.1)
95 (10.7)
150 (17.0)
200 (22.6)
270 (30.5)
240 (27.1)
300 (33.9)
30 (40.7)
40 (54.2)
35 (47.5)
45 (61.0)
METRIC FASTENERS
4.8
5.8
1.2 (11)
1.7 (15)
2.5 (22)
3.2 (28)
4.3 (38)
5.7 (50)
10.5 (93)
13.6 (120)
21.7 (16)
27.1 (20)
36.6 (27)
47.5 (35)
58.3 (43)
76.4 (55)
NOTICE
AMERICAN NATIONAL STANDARD FASTENERS
SIZE
UNITS
7/16-14
ft-lbs (Nm)
7/16-20
ft-lbs (Nm)
1/2-13
ft-lbs (Nm)
1/2-20
ft-lbs (Nm)
9/16-12
ft-lbs (Nm)
9/16-18
ft-lbs (Nm)
5/8-11
ft-lbs (Nm)
5/8-18
ft-lbs (Nm)
3/4-10
ft-lbs (Nm)
3/4-16
ft-lbs (Nm)
7/8-14
ft-lbs (Nm)
8.8
2.9 (26)
4.1 (36)
5.8 (51)
8.1 (72)
9.9 (88)
14.0 (124)
24.4 (216)
33.9 (300)
47.5 (35)
66.4 (49)
82.7 (61)
116.6 (86)
131.5 (97)
184.4 (136)
ADJUSTMENTS
GRADE 5
50 (67.8)
55 (74.6)
75 (101.7)
85 (115.3)
105 (142.4)
115 (155.9)
150 (203.4)
160 (217.0)
170 (230.5)
175 (237.3)
300 (406.8)
10.9
12.9
5.0 (44)
9.7 (86)
16.5 (146)
40.7 (360)
81.4 (60)
139.7 (103)
219.7 (162)
3
GRADE 8
65 (88.1)
70 (94.9)
100 (135.6)
110 (149.2)
135 (183.1)
150 (203.4)
195 (264.4)
210 (284.8)
220 (298.3)
225 (305.1)
400 (542.4)
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)
en-13