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
General Service & Safety-Related Components
To Next Page
Loading...
