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  2. Flexible standard component system
  3. 03000
  4. Centring clamps, mandrel collets, machinable collets
  5. Centring clamps with ball or hexagon segments
  6. Centring clamp with hexagonal segments, Form B
    7. 03158-201905
Item
Centring clamp
Form
B
Version 1
hexagon
Main material
steel
Component material
steel
Surface finish body
hardened and black oxid finish
Surface finish component
hardened and ground
D=Diameter min.
18,5
D=max. diameter
22,5
A
5,5
Application
machined
Clamping force max. kN
4
Clamping type
internal clamping
D1
M5
D2
15
D3
2,5
D4
5,3
H
23,5
H1
16,5
H2
11,6
H3
10,4
H4
2,3
K
4
L
7,5
M
3
No. of hex
3
REACh
false
RoHS
true
SW
4
Tightening torque max. Nm
10
hexagon
4

Description

Material
Body 1.2842.

Ball and hex segments 1.4112.

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

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