3 Jaw Open Big Bore Format

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
165
200
250
280
305
320
350
400
450
530
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.
Matching Hydraulic Cylinder

 

* 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
170
76
140
17
77.5
5
116
104.8
52
3 x M10
59.5
20
29.5
24
27.5
8.5
12
5
31
12
15
2.5
3 x M6
56
6
20
103
3 x M5
66
2.5
6 x M10
1/16″ x 90°
200
210
86
170
17
96
5
150
133.35
66
3 x M12
72.5
25
37.7
31.7
31.7
10.3
15
-9
37
14
16.5
6
6 x M6
80
6.5
30
131.5
3 x M5
84
2.9
6 x M12
1/16″ x 90º
250
254
100
220
20
118
5
190
171.45
78
6 x M16
84.5
30
44
35
37
14.1
10.5
-18.5
45
16
25
4
6 x M8
95
6
45
148
3 x M6
98
4
6 x M12
1/16″ x 90°
280
280
95
250
20
142
5
220
210
105
6 x M16
81
30
56
49
34.5
14.1
-14
-44
40
16
28
5
6 x M8
123
8
50
177
3 x M6
127
3
6 x M12
1/16″ x 90º
305
305
95
280
20
164
5
240
235
127
6 x M16
81
30
67
59.5
34.5
14.1
-14
-44
40
16
28
5
6 x M8
142
8
50
199
3 x M6
148
3
6 x M12
1/16″ x 90°
320
320
104
280
20
165
6
240
235
120
6 x M16
92
30
63.3
57
45.5
14.1
-6.5
-21.1
50
18
28
5
6 x M8
138
9
50
195
3 x M6
150
3
6 x M14
1/16″ x 90º
350
350
104
280
20
175
6
240
235
130
6 x M20
102
30
68.3
60.8
55.8
14.1
-8.5
-37
50
18
30
5
6 x M8
148
9
50
205
3 x M6
160
3
6 x M14
1/16″ x 90º
400
400
127
300
20
172
6
260
235
130
6 x M20
120.6
43
76.8
70.3
51.6
15
18.7
-9
62
24
30
5
6 x M10
150
12.5
80
220
6 x M6
156
6
6 x M20
1/16″ x 90°
450
450
127
380
20
182
6
340
330.2
140
6 x M22
144.6
43
81.8
70.3
75.6
15
18.7
-9
62
24
30
5
6 x M12
160
12.5
80
230
6 x M6
166
5.2
6  x M20
1/16″ x 90º
530
530
116
410
20
222
6
360
170
6 x M22
162.6
50
101.8
92.8
86.6
15
36
-3
60
25
24
7
194
11
110
295
6 x M8
198
5.2
6 x M20
1/16″ x 90°

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