English – Hitachi WR 12DM User Manual
Page 9
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English
3. Extension bar: WR12DM: Code No. 873633
WR9DM: Code No. 996143
The extension bar is convenient for working in very
restricted spaces or when the socket provided cannot
reach the bolt to be tightened.
CAUTION
when the extension bar is used, the tightening
torque is reduced slightly compared with the
ordinary socket.
4. Universal joint:WR12DM: Code No. 992610
WR9DM: Code No. 996147
The universal joint is convenient for impacting nuts
when there is an angle between the socket and
wrench, or when working in a very narrow space.
5. Duct Socket: (WR12DM)
This is used for tightening bolts and nuts on flange
sections of air conditioners, type ducts, etc.
6. Corner attachment (Model EW-14R)(WR12DM)
Use this attachment only when the machine is
applied to the nut or bolt at the right angle.
<For WR12DM>
Table 3
Code No.
High
ISO
ISO
Inch
Form
tension (ordinary)
(small)
bolts
L
L1
L2
øF
12 mm
955138
M8
W5/16"
12
B
52
20
34
20
13 mm
955139
M8
13
B
52
20
34
21.5
14 mm
955140
M10
14
B
52
20
34
22
17 mm
955141
M10
M12
W3/8"
17
B
52
24
34
25
17 mm
955149
M10
M12
W3/8"
17
B
75
24
57
25
12.7
19 mm
955142
M12
M14
W7/16"
19
B
52
24
34
28
19 mm
955150
M12
M14
W7/16"
19
B
75
24
57
28
21 mm
955143
W1/2"
21
D
52
24
34
31
21 mm
955151
W1/2"
21
D
75
24
57
31
21 mm
991480
W1/2"
21
D
125
24
107
31
22 mm
955144
M12
M14
M16
22
D
52
24
34
32.5
24 mm
955146
M16
M18
24
D
52
25
34
34
Square
head drive
dimensions
S (mm)
Part Name
Suitable Bolt Diameter
Hexagonal
width across
flats H (mm)
Main Socket
Dimensions (mm)
Long
Socket
<For WR9DM>
Table 4
Code No.
ISO
ISO
Inch
Form
(ordinary)
(small)
bolts
L
L1
L2
øF
8 mm
996134
M5
8
B
60
12
48
13
10 mm
996135
M6
10
B
60
12
48
16
12 mm
996136
M8
W5/16"
12
C
60
14
48
18.4
9.5
13 mm
996137
M8
13
B
60
14
48
18.9
14 mm
996138
M10
14
B
60
15
48
19.5
16 mm
996139
M10
16
D
60
15
48
24
17 mm
996140
M10
M12
W3/8"
17
D
60
15
48
25
18 mm
996141
M12
18
D
60
16
48
26
19 mm
996142
M12
W7/16"
19
D
60
17
48
27.5
Square
head drive
dimensions
S (mm)
Part Name
Suitable Bolt Diameter
Hexagonal
width across
flats H (mm)
Main Socket
Dimensions (mm)
Long
Socket
Code No.
Hexagonal width
across flats (mm)
993658
12
992613
13
992615
14