Auto Strong 3-Jaw Scroll Plain Back Chuck SK-12 for CNC Lathe***FREE SHIPPING***

Description

AUTO-STRONG CHUCKS
SK-12
(12.200" O.D. Diameter, 4.133 Bore, with D1-6,8 or A1-6,8 Back Plates)
(See our store or contact us for other available chucks)
SK Series Chucks
3-jaw scroll chuck plain back, 2-piece jaws (front and back mounted)
SK Series chucks have wider utilization range:
Hard jaws suitable for heavy cutting
Soft jaws suitable for light and precision cutting
Hard jaws could be used as internal jaws and external jaws
Gripping accuracy of 0.03mm (0.0012 inch) T.I.R.
Body is made of MEEHANITE.
Suitable for high speed revolution
3 times more durable than regular materials used
SPEC
Allowable
Gripping
Max.
Weight
Moment
Gripping Range
Model
Handle
Force
Speed
(kg)
Of Inertia I
Torque
(kgf)
(r.p.m.)
(kg‧m
2
)
(kgf‧m)
O.D. Range / I.D. Range
SK-6
9
2200
2000
9
0.03
Ø4-Ø160 / Ø55-Ø150
SK-8
11
2500
2000
15.5
0.07
Ø8-Ø190 / Ø68-Ø180
SK-10
19.5
4000
1800
29.7
0.26
Ø12-Ø260 / Ø80-Ø250
SK-12
21
4200
1800
43.5
0.58
Ø15-Ø300 / Ø90-Ø290
Dimensions
A
B
C
D
E
F
G
H
J
K
L
Model
Back / Front
SK-6
167
67
130
147
45
5.5
3-M10 / 3-M10x70
72
26
40.2
10
SK-8
200
76.5
160
176
58
5.5
3-M10 / 3-M10x80
82
28
42
11
SK-10
273
87
230
250
89
8
3-M12 / 3-M12x90
100.5
35
56.7
12
SK-12
310
96
260
285
105
7
3-M12 / 3-M12x110
114.5
40
56.8
14
Please contact us for any questions.