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  2. Flexible standard component system
  3. 03000
  4. Centering clamps, mandrel collets, machinable collets
  5. Centering clamps with ball or hexagon segments
  6. centering clamp with hexagonal segments, style B
    7. 03158-204708
D=Diameter min.
46,5
D=max. diameter
54,5
A
11
Application
machined
Clamping force max. kN
6,5
Clamping type
internal clamping
Component material
steel
D1
M8
D2
30
D3
4
D4
8,4
H
39,2
H1
27,2
H2
18
H3
15,7
H4
4,6
Item
Centring Clamp
K
8
L
7,5
M
4,5
Main material
steel
No. of hex
6
REACh
false
RoHS
true
SW
6
Surface finish body
hardened and black oxid finish
Surface finish component
hardened and ground
Tightening torque max. Nm
43
Version 1
hexagon
hexagon
8
style
B

Description

Material
Body 1.2842.

Ball and hex segments 1.4112.

Tension spring 1.4310.
Version
Body hardened and black oxidized.
Ball and hex segments hardened and ground.
Note
style B: with hexagon for surface-sensitive holes.
Technical Data
Repetitive accuracy ±0.025
Concentric accuracy ±0.05
Application
To position and center existing bores on the machining surface.
Advantages
- Precise self-centering.
- Distortion free clamping.
- Large spread range.
- Low overall height.
Drawing reference
style A:
With balls for holes where light marking is acceptable.
style B:
With hexagons for sensitive hole surfaces.

1) Mounting aid:
pin to accurately position the mandrel segments.
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