FASTENER TORQUE REQUIREMENTS
Nominal
Grade Designation
bolt size
and Standard
5/16 - 24 SAE Grade 1
ASTM A307
SAE Grade 2
SAE Grade 4
SAE Grade 5
ASTM A449
SAE Grade 7
SAE Grade 8
ASTM A354 Grade
BD
ASTM A354 Grade
BC
Nominal
Grade
bolt size
Designation and
Standard
3/8 - 16
SAE Grade 1
ASTM A307
SAE Grade 2
SAE Grade 4
SAE Grade 5
ASTM A449
SAE Grade 7
SAE Grade 8
ASTM A354
Grade BD
ASTM A354
Grade BC
MSSM0101CE/9906AV (5 of 19)
Ï
A ll values in foot pounds and (Newton meters)
Zinc
If instructions call for :
orCadmium
Loctite
Plated
222 or
262
5.6
6.7
(7.59)
(9.08)
9.4
11.3
(12.74)
(15.32)
11.0
13.2
(14.91)
(17.90)
14.4
17.2
(19.52)
(23.32)
17.9
21.4
(24.27)
(29.01)
20.4
24.4
(27.66)
(33.08)
—
—
Ï
A ll values in foot pounds and (Newton meters)
Zinc or
If instructions call for :
Cadmium
Loctite
Plated
222 or
262
9.0
10.8
(12.20)
(14.64)
14.9
17.9
(20.20)
(24.27)
17.8
21.3
(24.13)
(28.88)
23.2
27.8
(31.45)
(37.69)
28.7
34.4
(38.91)
(46.64)
32.7
39.2
(44.33)
(53.15)
28.7
34.4
(38.91)
(46.64)
36
Loctite
Loctite
Loctite
242
271
272
7.4
8.2
(10.03)
(11.12)
12.5
13.8
(16.94)
(18.71)
14.6
16.1
(19.79)
(21.83)
19.1
21.1
(25.90)
(28.60)
23.8
26.2
(32.27)
(35.52)
27.1
29.9
(36.74)
(40.54)
—
—
Loctite
Loctite
Loctite
242
271
272
12.0
13.1
(16.27)
(17.76)
19.9
21.9
(26.98)
(29.69)
23.7
26.0
(32.13)
(35.25)
30.9
34.0
(41.89)
(46.09)
38.2
42.0
(51.79)
(56.94)
43.6
48.0
(59.11)
(65.08)
38.2
42.0
(51.79)
(56.94)
Loctite
Bare
277
10.4
9.6
(14.10)
(13.01)
(10.03)
17.5
16.3
12.5
(23.73)
(22.09)
(16.94)
20.5
19.0
14.6
(27.79)
(25.76)
(19.79)
26.8
24.9
19.1
(36.35)
(33.76)
(25.90)
33.4
31.0
23.8
(45.28)
(42.03)
(32.27)
38.0
35.3
27.1
(51.52)
(47.86)
(36.74)
—
—
Loctite
Bare
277
16.7
15.5
12.0
(22.64)
(21.01)
(16.27)
27.9
25.9
19.9
(37.83)
(35.11)
(26.98)
33.1
30.8
23.7
(44.87)
(41.76)
(32.13)
43.3
40.2
30.9
(58.70)
(54.50)
(41.89)
53.5
49.7
38.2
(72.54)
(67.39)
(51.79)
61.0
56.7
43.6
(82.70)
(76.87)
(59.11)
53.5
49.7
38.2
(72.54)
(67.39)
(51.79)
7.4
—