3 Jaw Open Center

LARGE THRU-HOLE POWER CHUCK

LARGE THRU-HOLE | 3-JAW
  • WEDGE-HOOK type 3-jaw with the extra large through-hole.
  • Matching surfaces of all parts hardened, ground and lubricated directly.
  • High rigidity and high repeatability precision.

Model
Unit
200
250
315
380
400
Open Centre (Dia.)
MM
–
–
–
–
–
Jaw Stroke (Dia.)
MM
–
–
–
–
–
Plunger Stroke
MM
–
–
–
–
–
Max. Draw Bar Pull
KGF
–
–
–
–
–
Max.  Gripping Force
KGF
–
–
–
–
–
Max. Speed
RPM
–
–
–
–
–
Weight without Jaw (Approx)
KG.
–
–
–
–
–

 

* The dimensions and the specifications of 3H-BA、3H-2A are in the orange data.
* The 3H-2 series are power chucks with extra large thru-hole design.
* The rotary cylinders are recommended based on power chucks that from 4”~10” are common used in the industry.
* If you find that you need different bore size or installation interface, please just contact us. We have many standard and customized power chucks for option and meet your needs.

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Model
A
B
C (H6)
D
E (H7)
F
G
H
J (H7)
K
L
M
N Max.
N Min.
O Max.
O Min.
P Max.
P Min.
Q
R (H6)
S
T
V
W
X
Y
Z
a
b
c
d
e
200
210
86
170
17
82
5
150
133.35
52
6 x M12
65.5
25
40
37.5
25.5
10
16
-1.5
37
14
16.5
6
6 x M5
66
6.5
30
117.5
3 x M5
70
3
6 x M12
1/16″ x 90°
250
254
95
220
20
110
5
190
171.4
75
6 x M16
75.5
30
43
52
29.3
14.1
10.5
-12
42
16
25
M20
6 x M8
94
6
45
150
3 x M6
96.5
2.5
6 x M12
1/16″ x 90º
315
305
104
220
20
128
6
190
171.46
91
6 x M16
91.5
30
73
62
28.3
14.1
8.5
-7
52
21
28
2.5
6 x M8
108
9
50
171
3 x M6
115
4
6 x M16
1/16″ x 90°
380
381
127
300
20
172
6
260
235
117.5
6 x M20
108.4
43
102.3
82
29.1
15
16
-8
62
24
30
5
6 x M10
139
12
60
205
6 x M6
156
3
6 x M20
1/16″ x 90º
400
400
127
300
20
172
6
260
235
117.5
6 x M20
118.9
43
83.5
82
29.1
15
14
-7.5
62
24
30
5
3 M10
139
12
60
205
6 x M6
156
60
6 x M20
1/16″ x 90º

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