YH4
GRAND
VITARA
0A-24 GENERAL INFORMATION
Self-lock
nut
STANDARD TIGHTENING TORQUE
Each fastener should be tightened to the torque specified in each section of this manual. If no description or specifi-
cation is provided, refer to the following tightening torque chart for the applicable torque for each fastener. When
a fastener of greater strength than the original one is used, however, use the torque specified for the original fasten-
er.
NOTE:
For the flanged bolt, flanged nut and self-lock nut of 4T and 7T strength, add 10% to the tightening torque
given in the chart below.
The chart below is applicable only where the fastened parts are made of steel or light alloy.
Tightening torque chart
Thread Diameter (Nominal Diameter)
(mm)
4 5 6 8 10 12 14 16 18
Strength
A equivalent of 4T strength
fastener
N
.
m 1.5 3.0 5.5 13 29 45 65 105 160
kg-m 0.15 0.30 0.55 1.3 2.9 4.5 6.5 10.5 16
lb-ft 1.0 2.5 4.0 9.5 21.0 32.5 47.0 76.0 116.0
A equivalent of 6.8 strength
fastener without flan
e
N
.
m 2.4 4.7 8.4 20 42 80 125 193 280
kg-m 0.24 0.47 0.84 2.0 4.2 8.0 12.5 19.3 28
lb-ft 2.0 3.5 6.0 14.5 30.5 58.0 90.5 139.5 202.5
A equivalent of 6.8 strength
fastener with flan
e
N
.
m 2.4 4.9 8.8 21 44 84 133 203 298
kg-m 0.24 0.49 0.88 2.1 4.4 8.4 13.3 20.3 29.8
lb-ft 2.0 3.5 6.5 15.5 32.0 61.0 96.5 147.0 215.5
A equivalent of 7T strength
fastener
N
.
m 2.3 4.5 10 23 50 85 135 210 240
kg-m 0.23 0.45 1.0 2.3 5.0 8.5 13.5 21 24
lb-ft 2.0 3.5 7.5 17.0 36.5 61.5 98.0 152.0 174.0
A equivalent of 8.8 strength
fastener without flan
e
N
.
m 3.1 6.3 11 27 56 105 168 258 373
kg-m 0.31 0.63 1.1 2.7 5.6 10.5 16.8 25.8 37.3
lb-ft 2.5 4.5 8.0 19.5 40.5 76.0 121.5 187.0 270.0
A equivalent of 8.8 strength
fastener with flan
e
N
.
m 3.2 6.5 12 29 59 113 175 270 395
kg-m 0.32 0.65 1.2 2.9 5.9 11.3 17.5 27 39.5
lb-ft 2.5 5.0 9.0 21.0 43.0 82.0 126.5 195.5 286.0
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