Milnor MILRAIL, Installation, Parts, And Service

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Pellerin Milnor Corporation
7
Figure 1. 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
1.2.1 Torque Values
BNUUUN02.C02 0000222449 A.3 B.2 B.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).
1.2.1.1 Fasteners Made of Carbon Steel
BNUUUN02.C03 0000222448 A.3 B.2 B.3 1/2/20 2:14 PM Released
1.2.1.1.1 Without a Threadlocker
BNUUUN02.C04 0000222447 A.3 B.2 B.3 1/2/20 2:14 PM Released
Table 1. 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 2. 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
7/16 x 20 36 49 55 75 78 105 – –
1/2 x 13 49 66 75 102 107 145 93 126
1/2 x 20 55 75 85 115 120 163 – –
9/16 x 12 70 95 109 148 154 209 134 182
9/16 x 18 78 106 121 164 171 232
– –
5/8 x 11 97 131 150 203 212 287 186 252
5/8 x 18 110 149 170 231 240 325
– –
3/4 x 10 172 233 266 361 376 510 329 446
General Service Information