MAINTENANCE OF THE BACKHOE
102
B
General torque specification
American standard cap screws
with UNC or UNF threads
Metric cap screws
SAE grade No.
GR5 or GR8
Property class
8.8
Approx. SAE GR5
1/4
(N-m)
(kgf-m)
9.8 to 11.7
1.0 to 1.2
M6
(N-m)
(kgf-m)
9.8 to 11.2
1.0 to 1.1
5/16
(N-m)
(kgf-m)
19 to 23.1
1.9 to 2.4
M8
(N-m)
(kgf-m)
23.6 to 27.4
2.4 to 2.8
3/8
(N-m)
(kgf-m)
33.9 to 40.7
3.5 to 4.2
M10
(N-m)
(kgf-m)
48.1 to 55.8
4.9 to 5.7
1/2
(N-m)
(kgf-m)
88.1 to 105.8
9.0 to 10.8
M12
(N-m)
(kgf-m)
77.5 to 90.1
7.9 to 9.2
9/16
(N-m)
(kgf-m)
122 to 146.4
12.4 to 14.9
M14
(N-m)
(kgf-m)
124 to 147
12.6 to 15.0
5/8
(N-m)
(kgf-m)
176.3 to 211.5
18.0 to 21.6
M16
(N-m)
(kgf-m)
196 to 225
20.0 to 23.0
Top of bolt
Length
Summary of Contents for BT602
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