Milnor MWF63C7 Installation And Service page 47

Torque Requirements for Fasteners
Table 2: Torque Values for Standard Fasteners Larger Than 5/16-inch Diameters and No Lubricant
Grade 2
Dimension Pound-feet
3/8 x 16 20
3/8 x 24 23
7/16 x 14 32
7/16 x 20 36
1/2 x 13 49
1/2 x 20 55
9/16 x 12 70
9/16 x 18 78
5/8 x 11 97
5/8 x 18 110
3/4 x 10 172
3/14 x 16 192
7/8 x 9 167
7/8 x 14 184
1 x 8 250
1 x 12 274
1 x 14 281
1 1/8 x 7 354
1 1/8 x 12 397
1 1/4 x 7 500
1 1/4 x 12 553
1 3/8 x 6 655
1 3/8 x 12 746
1 1/2 x 6 869
1 1/2 x 12 979
Table 3: Torque Values for Plated Fasteners with Maximum 5/16-inch Diameters and No Lubricant
Grade 2
Dimension Pound-Inches
1/4 x 20 49
1/4 x 28 56
5/16 x 18 102
5/16 x 24 113
PELLERIN MILNOR CORPORATION
The Grade of the Bolt
Grade 5
N-m Pound-feet N-m
27 31 42
31 35 47
43 49 66
49 55 75
66 75 102
75 85 115
95 109 148
106 121 164
131 150 203
149 170 231
233 266 361
261 297 403
226 429 582
249 473 641
339 644 873
371 704 954
381 723 980
480 794 1077
538 891 1208
678 1120 1519
750 1241 1682
888 1469 1992
1011 1672 2267
1178 1949 2642
1327 2194 2974
The Grade of the Bolt
Grade 5
N-m Pound-Inches N-m
6 76 9
6 88 10
12 156 18
13 174 20
43
Grade 8
Pound-feet N-m Pound-feet
44 59 38
50 68
70 95 61
78 105
107 145 93
120 163
154 209 134
171 232
212 287 186
240 325
376 510 329
420 569
606 821 531
668 906
909 1232 796
994 1348
1020 1383
1287 1745 1126
1444 1958
1817 2464 1590
2012 2728
2382 3230 2085
2712 3677
3161 4286 2767
3557 4822
Grade 8
Pound-Inches N-m Pound-Inches
107 12
122 14
222 25
245 28
Grade BC
N-m
52
-- --
83
-- --
126
-- --
182
-- --
252
-- --
446
-- --
719
-- --
1079
-- --
-- --
1527
-- --
2155
-- --
2827
-- --
3751
-- --
Grade BC
N-m
95 11
-- --
193 22
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