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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