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kgf·cm
3/8"×1-5/32"
N·m
(in-lbs)
(M10×30)
200
2000
(1736)
High tension bolt
150
1500
(1302)
100
1000
(868)
50
500
(434)
Ordinary bolt
0
0
0
1
Tightening time: sec
(Steel plate thickness
t = 3/8" (10 mm))
Bolt
Nut
kgf·cm
(in-lbs)
3000
(2604)
2500
(2170)
2000
(1736)
1500
(1302)
1000
(868)
500
(434)
0
20
kgf·cm
N·m
(in-lbs)
2000
(1736)
1500
(1302)
1000
(868)
500
(434)
0
2
3
Tightening time: sec
(Steel plate thickness
t = 1" (25 mm))
Steel plate
thickness t
5/8" × 2–5/32" (M16 × 55) F10T bolt (tightening time 3 sec)
N·m
300
250
200
When full recharged
150
100
50
When complately discharged
0
0
20
40
60
Number of tightenings (PCS)/charging
15/32"×1-3/4"
(M12×45)
200
High tension bolt
150
100
Ordinary bolt
50
0
0
1
2
3
Fig. 16
*The following bolt is used.
Ordinary bolt: Strength grade 4.8
High tensile bolt: Hardness division 12.9
(
Explanation of strength grade:
4 — Yield point of bolt: 45,500 psi (32 kgf/mm
8 — Pulling strength of bolt: 56,900 psi (40 kgf/mm
Fig. 17
a
80
100
120
Fig. 18
kgf·cm
9/16"×1-15/16"
N·m
(in-lbs)
(M14×50)
200
2000
(1736)
150
1500
(1302)
100
1000
(868)
Ordinary bolt
50
500
High tension bolt
(434)
0
0
0
1
Tightening time: sec
(Steel plate thickness
t = 1" (25 mm))
140
2
3
)
2
)
2
)
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