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00 INDEX AND FOREWORD
Thread diameter
( mm)
6
8
10
12
REMARK
Tighten the unified coarse threaded bolts and nuts to the torque shown in the table below unless otherwise
specified.
Type of bolt
Nominal size -
threads per inch
1
/
-20UNC
4
5
/
-18UNC
16
3
/
-16UNC
8
7
/
-14UNC
16
1
/
-13UNC
2
9
/
-12UNC
16
5
/
-11UNC
8
3
/
-10UNC
4
7
/
-9UNC
8
PC500LC-10R
Width across flats
Tightening torque ( Nm { kgm} )
( mm)
10
12
14
17
A
Tightening torque ( Nm { kgm} )
Range
9.8 to 14.7 {1 to 1.5}
24.5 to 34.3 {2.5 to 3.5}
44.1 to 58.8 {4.5 to 6}
73.5 to 98.1 {7.5 to 10}
108 to 147 {11 to 15}
157 to 216 {16 to 22}
226 to 294 {23 to 30}
392 to 530 {40 to 54}
637 to 853 {65 to 87}
STANDARD TIGHTENING TORQUE TABLE
5.9 to 9.8 {0.6 to 1.0}
13.7 to 23.5 {1.4 to 2.4}
34.3 to 46.1 {3.5 to 4.7}
74.5 to 90.2 {7.6 to 9.2}
Tightening torque ( Nm { kgm} )
Target
12.7 {1.3}
2.9 to 3.9 {0.3 to 0.4}
29.4 {3}
6.9 to 8.8 {0.7 to 0.9}
52.0 {5.3}
9.8 to 14.7 {1 to 1.5}
86.3 {8.8}
19.6 to 24.5 {2 to 2.5}
127 {13}
29.4 to 39.2 {3 to 4}
186 {19}
44.1 to 58.8 {4.5 to 6}
265 {27}
63.7 to 83.4 {6.5 to 8.5}
461 {47}
108 to 147 {11 to 15}
745 {76}
177 to 235 {18 to 24}
B
Range
Target
3.43 {0.35}
7.8 {0.8}
11.8 {1.2}
21.6 {2.2}
34.3 {3.5}
51.0 {5.2}
68.6 {7}
127 {13}
206 {21}
00-63
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