Hitachi WH 12DM2 Safety Instructions And Instruction Manual page 33

<For WR9DM2>
Square head
Part Name
drive dimen-
sions S
3/8" Long
(9.5 mm) Socket
4. Extension bar: (WR12DM2, WR9DM2)
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.
s
Fig. 35
5. Universal joint: (WR12DM2, WR9DM2)
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.
B
Fig. 36
Suitable Bolt Diameter
Code ISO
No. (ordinary)
8 mm 996134 M5 (3/16")
10 mm 996135 M6 (1/4")
12 mm 996136
13 mm 996137 M8 (5/16")
14 mm 996138
16 mm 996139 M10 (3/8")
17 mm 996140 M10 (3/8") M12 (15/32")
18 mm 996141 M12 (15/32")
19 mm 996142 M12 (15/32")
B
S
Table 7
Hexagonal
ISO Inch
width across
(small) bolts
flats H
5/16" (8 mm)
3/8" (10 mm)
M8 (5/16") W5/16" 15/32" (12 mm)
1/2" (13 mm)
M10 (3/8") 9/16" (14 mm)
5/8" (16 mm)
W3/8" 21/32" (17 mm)
23/32" (18 mm)
W7/16" 3/4" (19 mm)
Code No. Dimention B, S
873633 1/2" (12.7 mm)
996143 3/8" (9.5 mm)
Code No. Dimention B, S
992610 1/2" (12.7 mm)
996147 3/8" (9.5 mm)
English
Main Socket
Dimensions
Form
L L1 L2
2-3/8" 15/32" 1-7/8"
B
(60 mm) (12 mm) (48 mm) (13 mm)
2-3/8" 15/32" 1-7/8"
B
(60 mm) (12 mm) (48 mm) (16 mm)
2-3/8" 9/16" 1-7/8"
C
(60 mm) (14 mm) (48 mm) (18.4 mm)
2-3/8" 9/16" 1-7/8"
B
(60 mm) (14 mm) (48 mm) (18.9 mm)
2-3/8" 19/32" 1-7/8"
B
(60 mm) (15 mm) (48 mm) (19.5 mm)
2-3/8" 19/32" 1-7/8"
D
(60 mm) (15 mm) (48 mm) (24 mm)
2-3/8" 19/32" 1-7/8"
D
(60 mm) (15 mm) (48 mm) (25 mm)
2-3/8" 5/8" 1-7/8"
D
(60 mm) (16 mm) (48 mm) (26 mm)
2-3/8" 21/32" 1-7/8"
D
(60 mm) (17 mm) (48 mm) (27.5 mm)
Model
WR12DM2
WR9DM2
Model
WR12DM2
WR9DM2
F
ø
1/2"
5/8"
23/32"
3/4"
49/64"
15/16"
1"
1-1/32"
1-1/16"
33