Hitachi WR 12DH Instruction Manual And Safety Instructions page 17
Cordless impact wrench
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Also See for WR 12DH:
- Instruction manual and safety instructions (68 pages) ,
- Handling instructions manual (55 pages) ,
- Technical data and service manual (41 pages)
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Available languages
Available languages
5/16" × 1–3/6"
kg–cm
(M8 × 30)
(ft–lb)
1000
(72)
800
High tension bolt
(58)
600
(43)
400
(29)
200
(14)
Ordinary bolt
0
0
1
2
Tightening time: sec
(Steel plate thickness
t = 3/8" (10 mm))
Fig. 8
Bolt
Steel plate
thickness t
Nut
kg–cm
(ft–lb)
1200
(87)
800
(58)
400
(29)
0
0
kg–cm
(ft–lb)
1000
(72)
High tension bolt
800
(58)
600
(43)
400
(29)
200
(14)
0
3
0
Tightening time: sec
(Steel plate thickness
t = 3/8" (10 mm))
*The following bolt is used.
(
Fig. 11
M14 × 50 High tensile bolt (tightening time 3 sec)
When full recharged
When completely discharged
20
40
60
Number of tightenings (PCS)/charging
Fig. 12
3/8" × 1–3/6"
(M10 × 30)
Ordinary bolt
1
2
3
Fig. 9
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
a
80
100
120
English
15/32" × 1–3/4"
kg–cm
(M12 × 45)
(ft–lb)
1200
High tension bolt
(86)
1000
(72)
800
(58)
600
(43)
Ordinary bolt
400
(29)
200
(14)
0
0
1
2
Tightening time: sec
(Steel plate thickness
t = 1" (25 mm))
Fig. 10
2
)
3
)
2
)
17
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