Hitachi WH 12DH Technical Data And Service Manual page 12

Square
drive
Part Name
dimension
Sq
12 mm
13 mm
14 mm
17 mm
17 mm
12.7 mm Long
19 mm
(1/2") socket
19 mm
21 mm
21 mm
21 mm
22 mm
Bit adaptor (Code No. 991476)
6.35 mm (1/4")
Extension bar [Overall length 100 mm (3-15/16") ] (Code No. 873633)
Universal joint (Code No. 992610)
Socket ass'y for duct
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EW-14R corner attachment (Code No. 9329-9001)
Nominal diameter of applicable bolts Dihedral
Code
ISO ISO
No.
(ordinary) (small type)
(high-strength)
955138
M 8
955139
(5/16")
955140
M 10
955141
(3/8") (15/32")
M 10
955149
(3/8") (15/32")
M 12
955142
(15/32")
M 12
955150
(15/32")
955143
955151
991480
M 12
M 14
955144
(15/32") (9/16")
45 mm (1-25/32") 12.7 mm (1/2")
width
ISO Inch
H (mm)
screw
M 8 12
W 5/16"
(5/16") (15/32")
13
(1/2")
M 10 14
(3/8") (9/16")
M 12 17
W 3/8"
(21/32")
M 12 17
W 3/8"
(21/32")
M 14 19
W 7/16"
(9/16") (23/32")
M 14 19
W 7/16"
(9/16") (23/32")
21
W 1/2"
(53/64")
21
W 1/2"
(53/64")
21
W 1/2"
(53/64")
M 16 22
(5/8") (7/8")
Part name
Plus hds.
Plus hds.
Hexagonal two side width of
--- 9 ---
Socket primary dimensions (mm)
Shape
L
L
1
52 20
B
(25/32")
(2-3/64")
52 20
B
(2-3/64") (25/32")
20
52
B
(25/32")
(2-3/64")
52 24
B
(2-3/64") (15/16")
24
75
B
(15/16")
(2-15/16")
52 24
B
(15/16")
(2-3/64")
75 24
B
(2-15/16") (15/16")
24
52
D
(15/16")
(2-3/64")
75 24
D
(15/16")
(2-15/16")
125 24
D
(2-15/16") (15/16")
24
52
D
(15/16")
(2-3/64")
Overall length
(mm)
45 (1-25/32")
driver bit
No.2 70 (2-3/4")
45 (1-25/32")
driver bit
70 (2-3/4")
No.3
applicable bolts
12 (15/32")
13 (1/2")
14 (9/16")
L D
2 1
20
34
(25/32")
(1-11/32")
21.5
34
(53/64")
(1-11/32")
22
34
(7/8")
(1-11/32")
25
34
(1")
(1-11/32")
25
57
(2-1/4") (1")
28
34
(1-3/32")
(1-11/32")
57 28
(2-1/4") (1-3/32")
34 31
(1-11/32") (1-7/32")
57
31
(2-1/4")
(1-7/32")
107 31
(4-7/32")
(1-7/32")
34
32.5
(1-11/32")
(1-9/32")
Code No.
955229
955654
955230
955655
Code No.
993658
992613
992615