LS tractor LL1101 - TORQUE TIGHTENING CHART

TORQUE TIGHTENING CHART
INCH HARDWARE
SAE SERIES
TORQUE
CHART
lbs-ft N-m lbs-ft N-m lbs-ft N-m
1/4" 7/16" 6 8 10 13 14 18
5/16" 1/2" 12 17 19 26 27 37
3/8" 9/16" 23 31 35 47 49 67
7/16" 5/8" 36 48 55 75 78 106
1/2" 3/4" 55 75 85 115 120 163
9/16" 13/16" 78 106 121 164 171 232
5/8" 15/16" 110 149 170 230 240 325
3/4" 1-1/8" 192 261 297 403 420 569
7/8" 1-5/16" 306 416 474 642 669 907
1" 1-1/2" 467 634 722 979 1020 1383
METRIC SERIES
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 or SAE hardware and Metric for metric hardware.
Make sure fastener threads are clean and you start thread engagement properly.
MINIMUM HARDWARE TIGHTENING TORQUES
IN FOOT POUNDS (NEWTON-METERS) FOR NORMAL ASSEMBLY APPLICATIONS
METRIC HARDWARE
Wrench
Size
SAE Grade 2
(No Dashes)
SAE Grade 5
(3 Radial Dashes)
SAE Grade 8
(6 radial Dashes)
Metric
Grade 8.8
MARKING ON HEAD
SAE 2 SAE 5 SAE 8
Diameter
(Inches)
Metric
Grade 10.9
SAE Bolt Head
Identification
Metric Bolt Head
Identification
N-m l b s -f t N -m l bs -f t N-m l b s -f t N-m l b s-f t
6 x 1.0 10mm 8 6 11 8 8 6 11 8 6 x 1. 0
8 x 1.25 13mm 2015272021162922 8 x 1.0
10 x 1.5 16mm 3929544041305742 10 x 1.25
12 x 1.75 18mm 68509470755510376 12 x 1.25
14 x 2. 0 21mm 109 80 151 111 116 87 163 120 14 x 1. 5
16 x 2. 0 24mm 169 125 234 173 181 133 250 184 16 x 1. 5
18 x 2. 5 27mm 234 172 323 239 263 194 363 268 18 x 1. 5
20 x 2. 5 30mm 330 244 457 337 367 270 507 374 20 x 1. 5
22 x 2. 5 34mm 451 332 623 460 495 365 684 505 22 x 1. 5
24 x 3. 0 36mm 571 421 790 583 623 459 861 635 24 x 2. 0
30 x 3. 0 46mm 1175 867 1626 1199 1258 928 1740 1283 30 x 2. 0
Diameter &
Th r e a d P i t c h
(Millimeters)
Metric 10.9 Metric 8.8 Metric 10.9
FINE THREAD
MARKING ON HEAD MARKING ON HEAD
Diameter &
Thread Pitch
(Millimeters)
Wren ch
Size
COAR SE THR EAD
Metric 8.8
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