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BOLT TORQUE CHART
Always tighten hardware to these values unless a different torque value or tightening procedure is listed for a specific application.
Fasteners must always be replaced with the same grade as specified in the manual parts list.
Always use the proper tool for tightening hardware: SAE for SAE hardware and Metric for metric hardware. Make sure fastener threads are clean and you start thread engagement properly.
All torque values are given to specifications used on hardware defined by SAE J1701 MAR 99 & J1701M JUL 96.
SAE SERIES
A TORQUE
CHART
SAE Bolt Head
Identification
SAE Grade 2 | SAE Grade 5 | SAE Grade 8 |
(No Dashes) | (3 Radial Dashes) | (6 Radial Dashes) |
A |
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| MARKING ON HEAD |
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| SAE 2 |
| SAE 5 |
| SAE 8 | ||||
Diameter | Wrench |
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(Inches) | Size |
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1/4" | 7/16" | 6 |
| 8 | 10 |
| 13 | 14 |
| 18 |
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5/16" | 1/2" | 12 |
| 17 | 19 |
| 26 | 27 |
| 37 |
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3/8" | 9/16" | 23 |
| 31 | 35 |
| 47 | 49 |
| 67 |
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7/16" | 5/8" | 36 |
| 48 | 55 |
| 75 | 78 |
| 106 |
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1/2" | 3/4" | 55 |
| 75 | 85 |
| 115 | 120 |
| 163 |
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9/16" | 13/16" | 78 |
| 106 | 121 |
| 164 | 171 |
| 232 |
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5/8" | 15/16" | 110 |
| 149 | 170 |
| 230 | 240 |
| 325 |
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3/4" | 192 |
| 261 | 297 |
| 403 | 420 |
| 569 | |
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7/8" | 306 |
| 416 | 474 |
| 642 | 669 |
| 907 | |
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1" | 467 |
| 634 | 722 |
| 979 | 1020 |
| 1383 | |
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METRIC SERIES
ATORQUE
CHART
8.8 | Metric Bolt Head | 10.9 |
Metric | Identification | Metric |
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Grade 8.8 |
| Grade 10.9 |
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| Coarse Thread |
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| Fine Thread |
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A |
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| A |
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| Marking on Head |
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| Marking on Head |
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Diameter & |
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| Diameter & |
| Metric 8.8 | Metric 10.9 |
| Metric 8.8 | Metric 10.9 | ||||||
Thread Pitch | Wrench |
| Thread Pitch | ||||||||
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(Millimeters) | Size |
| (Millimeters) | ||||||||
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6 x 1.0 | 10 mm | 8 | 6 | 11 | 8 |
| 8 | 6 | 11 | 8 | 6 x 1.0 |
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8 x 1.25 | 13 mm | 20 | 15 | 27 | 20 |
| 21 | 16 | 29 | 22 | 8 x 1.0 |
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10 x 1.5 | 16 mm | 39 | 29 | 54 | 40 |
| 41 | 30 | 57 | 42 | 10 x 1.25 |
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12 x 1.75 | 18 mm | 68 | 50 | 94 | 70 |
| 75 | 55 | 103 | 76 | 12 x 1.25 |
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14 x 2.0 | 21 mm | 109 | 80 | 151 | 111 |
| 118 | 87 | 163 | 120 | 14 x 1.5 |
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16 x 2.0 | 24 mm | 169 | 125 | 234 | 173 |
| 181 | 133 | 250 | 184 | 16 x 1.5 |
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18 x 2.5 | 27 mm | 234 | 172 | 323 | 239 |
| 263 | 194 | 363 | 268 | 18 x 1.5 |
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20 x 2.5 | 30 mm | 330 | 244 | 457 | 337 |
| 367 | 270 | 507 | 374 | 20 x 1.5 |
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22 x 2.5 | 34 mm | 451 | 332 | 623 | 460 |
| 495 | 365 | 684 | 505 | 22 x 1.5 |
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24 x 3.0 | 36 mm | 571 | 421 | 790 | 583 |
| 623 | 459 | 861 | 635 | 24 x 2.0 |
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30 x 3.0 | 46 mm | 1175 | 867 | 1626 | 1199 |
| 1258 | 928 | 1740 | 1283 | 30 x 2.0 |
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Typical Washer | Flat Washer |
Installations | Lock Washer |
Bolt |
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| 8/9/00 |
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Bolt Torque & Size Charts (Rev. 3/28/2007)