3-jaw strong scroll chuck plain back,2-piece jaws (front and back mounted)
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Online inquiryFront and back mounted (SK-16 excluded). Easy to install
Self-centering chuck improve efficiency.
SK types chucks have wider utilization range; Top jaws can be changed quickly between hard jaws or soft jaws
hard jaws suitable for heavy cutting; soft jaws suitable for light and precision cutting. It is convenient to change between hard jaws and soft jaws.
Interchangeable utilization of internal and external hard jaws for widely clamping methods
SK self-centering scroll chuck feature economical and durable, suitable for mass production.
Gripping accuracy of 0.03mm (0.0012 inch) T.I.R..
The body is made of highly strength and durability MEEHANITE. It is suitably used for high speed revolution also durable 3 times more than regular material.
Unit: mm
Model/Size
A
B
C
D
E
F
G-Back/Front
H
J
SK-4
112
58
80
95
32
4.8
—
/ 3-M8x65
47
19
SK-6
167
67
130
147
45
5.5
3-M10
/ 3-M10x70
72
26
SK-7
192
76.5
155
172
58
5.5
3-M10
/ 3-M10x80
81.2
28
SK-8
200
76.5
160
176
58
5.5
3-M10
/ 3-M10x80
82
28
SK-9
232
84
190
210
70
6
3-M12
/ 3-M12x90
90.9
32
SK-10
273
87
230
250
89
8
3-M12
/ 3-M12x90
100.5
35
SK-12
310
96
260
285
105
7
3-M12
/ 3-M12x110
114.5
40
SK-16
405
122
345
375
160
8.7
—
/ 6-M14x130
148.6
50
Model/Size
K
L
Allowed Handle Torque
(kgf‧m)
Gripping force
(kgf)
Max. Speed
(r.p.m.)
Weight
(kg)
Inertia
(kg‧m2)
Gripping Range
O.D./I.D.
SK-4
31.6
8
4.5
1200
2500
3.8
-
Ø3-Ø95
/ Ø29-Ø84
SK-6
40.2
10
9
2200
2000
9
0.03
Ø4-Ø160
/ Ø55-Ø150
SK-7
42
11
11
2500
2000
13.8
0.06
Ø8-Ø180
/ Ø62-Ø170
SK-8
42
11
11
2500
2000
15.5
0.07
Ø8-Ø190
/ Ø68-Ø180
SK-9
51.2
12
15
3000
2000
22
0.16
Ø11-Ø220
/ Ø70-Ø210
SK-10
56.7
12
19.5
4000
1800
29.7
0.26
Ø12-Ø260
/ Ø80-Ø250
SK-12
56.8
14
21
4200
1800
43.5
0.58
Ø15-Ø300
/ Ø90-Ø290
SK-16
76.1
15
25
4500
1500
98
1.72
Ø30-Ø380
/ Ø110-Ø360
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