
Pellerin Milnor Corporation
21
BNUUUN02 / 2019125
BNUUUN02
0000222452
B.3
1/2/20 2:14 PM
Released
Torque Requirements for Fasteners
BNUUUN02.C01 0000222451 A.4 B.3 A.3 1/2/20 2:14 PM Released
The document about the assembly gives the torque requirements for other fasteners.
If fastener
torque specifications or threadlocker requirements in an assembly document are different
from this document, use the assembly document.
Figure 3.
The Bolts in Milnor
®
Equipment
The Marks on Bolt Heads
Legend
A...
SAE Grades 1 and 2, ASTM A307, and stainless
steel
B...
Grade BC, ASTM A354
C...
SAE Grade 5, ASTM A449
D...
SAE Grade 8 and ASTM A354 BD
Torque Values
BNUUUN02.C02 0000222449 A.4 B.3 A.3 1/2/20 2:14 PM Released
These tables give the standard dimension, grade, threadlocker, and torque requirements for fasten-
ers frequently used on Milnor
®
equipment.
NOTE:
Data from the Pellerin Milnor
®
Corporation “Bolt Torque Specification” (bolt_
torque_milnor.xls/2002096).
Fasteners Made of Carbon Steel
BNUUUN02.C03 0000222448 A.4 B.3 A.3 1/2/20 2:14 PM Released
Without a Threadlocker
BNUUUN02.C04 0000222447 A.4 B.3 A.3 1/2/20 2:14 PM Released
Table 5.
Torque Values for Standard Fasteners with Maximum 5/16-inch Diameters and No
Lubricant
Dimension
The Grade of the Bolt
Grade 2
Grade 5
Grade 8
Grade BC
Pound-Inches
N-m
Pound-Inches
N-m
Pound-Inches
N-m
Pound-Inches
N-m
1/4 x 20
66
7
101
11
143
16
126
14
1/4 x 28
76
9
116
13
163
18
–
–
5/16 x 18
136
15
209
24
295
33
258
29
5/16 x 24
150
17
232
26
325
37
–
–
Table 6.
Torque Values for Standard Fasteners Larger Than 5/16-inch Diameters and No Lubricant
Dimension
The Grade of the Bolt
Grade 2
Grade 5
Grade 8
Grade BC
Pound-Feet
N-m
Pound-Feet
N-m
Pound-Feet
N-m
Pound-Feet
N-m
3/8 x 16
20
27
31
42
44
59
38
52
3/8 x 24
23
31
35
47
50
68
–
–
7/16 x 14
32
43
49
66
70
95
61
83
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