SERVICE DATA
TIGHTENING TORQUE
3
2
TIGHTENING TORQUE 2E0BO001
Bolts and nuts (JIS strength category 10.9)
1. General tightening points (non-lubricated)
All securing points that have no special tightening
torque specified in this manual and that are not spe-
cial tightening points.
2. Special tightening points (grease with molybdenum
disulfide applied)
Points where a specific tightening torque is specified
in this manual.
3. Points where thread-locking compound should be
applied (ThreeBond #1324).
4. If a tightening torque value is specified in this manual
for a point not listed in the table above, follow the
specification in the manual.
5. To tighten multiple bolts and nuts evenly, tighten op-
posite bolts/nuts alternately as a pair.
Thread Size × pitch
Tightening torque
General tightening points Special tightening points
N·m ft.-lb N·m ft.-lb
Coarse
M6 × 1.0 9.8 ± 0.8 7.2 ± 0.6 12 ± 1.0 9.0 ± 0.7
M8 × 1.25 23 ± 1.8 17 ± 1.4 26 ± 2.1 20 ± 1.6
M10 × 1.5 47 ± 3.8 35 ± 2.8 55 ± 4.4 41 ± 3.3
M12 × 1.75 83 ± 6.6 62 ± 5 97 ± 7.8 72 ± 5.8
M14 × 2.0 134 ± 10.7 99 ± 7.9 156 ± 12.5 115 ± 9.2
M16 × 2.0 208 ± 16.6 153 ± 12.2 241 ± 19.3 178 ± 14.2
M20 × 2.5 411 ± 32.9 303 ± 24.2 476 ± 38.1 351 ± 28.1
Fine
M8 × 1.0 25 ± 2.0 18 ± 1.4 28 ± 2.2 21 ± 1.7
M10 × 1.25 50 ± 4.0 37 ± 3 59 ± 4.7 43 ± 3.4
M12 × 1.5 87 ± 7.0 64 ± 5.1 102 ± 8.2 75 ± 6
M14 × 1.5 135 ± 10.8 100 ± 8 158 ± 12.6 117 ± 9.4
M16 × 1.5 221 ± 17.7 163 ± 13 256 ± 20.5 189 ± 15.1
M20 × 1.5 452 ± 36.2 333 ± 26.6 523 ± 41.8 386 ± 30.9
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