4 Jaw Open Long Stroke

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
165
169
79
140
18
70.5
5
116
104.78
38.5
4 x M10
52.5
20
32
28.5
23.7
8.5
5
71.5
32
12
15
2.5
4 x M6
56
5
20
98
4 x M5
59
2.5
8 x M10
1/16″ x 90º
200
210
98
170
17
87
5
150
133.35
46
4 x M12
56.5
25
44.5
34.5
20
10
13.5
22.5
37
14
21
6
6 x M6
66
6.5
30
127
4 x M5
70
3
8 x M12
1/16″ x 90º
250
254
109
220
20
105
5
190
171.40
75
4 x M16
67
30
66
52
21
14
26
11.5
40
16
22.5
5
6 x M6
86
8
45
164
4 x M6
90
3
8 x M12
1/16″ x 90°
305
305
118
220
20
120
6
210
171.40
91
8 x M16
88
30
77.5
63
33
14
22.5
6.5
50
18
28
5
6 x M8
108
9
50
194
4 x M6
106
3
8 x M14
1/16″ x 90º

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