Hitachi Extension bar WR12DM2, WR9DM2, Universal joint WR12DM2, WR9DM2, 12.7 mm, 9.5 mm

English

<For WR9DM2>

Table 7

Square head

Suitable Bolt Diameter

Hexagonal

Main Socket

drive dimen-

Part Name

Code

ISO

ISO

Inch

width across

Form

Dimensions

sions S

No.

(ordinary)

(small)

bolts

flats H

L

L1

L2

øF

8 mm

996134

M5 (3/16")

5/16" (8 mm)

B

2-3/8"

15/32"

1-7/8"

1/2"

(60 mm)

(12 mm)

(48 mm)

(13 mm)

10

mm

996135

M6 (1/4")

3/8" (10 mm)

B

2-3/8"

15/32"

1-7/8"

5/8"

(60 mm)

(12 mm)

(48 mm)

(16 mm)

12

mm

996136

M8 (5/16")

W5/16"

15/32" (12 mm)

C

2-3/8"

9/16"

1-7/8"

23/32"

(60 mm)

(14 mm)

(48 mm)

(18.4 mm)

13

mm

996137

M8 (5/16")

1/2" (13 mm)

B

2-3/8"

9/16"

1-7/8"

3/4"

(60 mm)

(14 mm)

(48 mm)

(18.9 mm)

3/8"

Long

14

mm

996138

M10 (3/8")

9/16" (14 mm)

B

2-3/8"

19/32"

1-7/8"

49/64"

(9.5 mm)

Socket

(60 mm)

(15 mm)

(48 mm)

(19.5 mm)

16

mm

996139

M10 (3/8")

5/8" (16 mm)

D

2-3/8"

19/32"

1-7/8"

15/16"

(60 mm)

(15 mm)

(48 mm)

(24 mm)

17

mm

996140

M10 (3/8")

M12 (15/32")

W3/8"

21/32" (17 mm)

D

2-3/8"

19/32"

1-7/8"

1"

(60 mm)

(15 mm)

(48 mm)

(25 mm)

18

mm

996141

M12 (15/32")

23/32" (18 mm)

D

2-3/8"

5/8"

1-7/8"

1-1/32"

(60 mm)

(16 mm)

(48 mm)

(26 mm)

19

mm

996142

M12 (15/32")

W7/16"

3/4" (19 mm)

D

2-3/8"

21/32"

1-7/8"

1-1/16"

(60 mm)

(17 mm)

(48 mm)

(27.5 mm)

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

B	Code No.	Dimention B, S	Model
	873633	1/2" (12.7 mm)	WR12DM2
	996143	3/8" (9.5 mm)	WR9DM2

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.

		Code No.	Dimention B, S	Model
B	S	992610	1/2" (12.7 mm)	WR12DM2
		996147	3/8" (9.5 mm)	WR9DM2

Fig. 36

33