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  2. Flexible standard component system
  3. 03000
  4. Centring clamps, mandrel collets, machinable collets
  5. Mandrel collets with side lock
  6. Mandrel collets with side lock, Form B with shaft for holding in lathe chuck
    7. 03157-218053
Designation
Mandrel collet
Version 1
with lateral clamping
Form
B
Main material
structural steel
Surface finish body
black oxidised
Component material
QT steel
Surface finish component
tempered, hardened and PTFE-coated
D=Diameter min.
18
D=max. diameter
53,3
Application
machined
Clamping force max. kN
20
Clamping type
internal clamping
D1
53,3
D2
25
H
44,4
H1
25,4
H2
21
H3
45
SW
6
Tightening torque max. Nm
66
UNSPSC Code
31162800
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 1 cancer & reproductive toxicity
lead and lead compounds
~ CP65 substance 2 cancer
soots, tars, and mineral oils
~ PFAS free?
yes
~ REACH SVHC-free?
no
~ REACh SVHC 1 name > threshold
lead
~ RoHS conformity
yes, with exemption
~ RoHS exemption/s
III/6a-I
~ TSCA 6(H) conformity
yes

Description

Material
Mandrel mild steel.
Clamping screw carbon steel.
Version
Mandrel black oxidised.
Clamping screw tempered to 10.9, hardened and PTFE coated.
Note
Expand the mandrel approx. 0.1 mm over the relaxed diameter. Turn or mill the mandrel to suit the internal diameter of the workpiece. A locking ring is included for machining.
The shank or flange is centred in a reamed hole or pocket.
Form A is supplied with 6 fastening screws.
Assembly
The side lock make these mandrel collets ideal for finish machining parts with blind internal diameters. The diameter “D” can be turned or milled to suit the workpiece ID.

Manual tightening with hexagon socket wrench.

* D min. = smallest diameter to which “D” may be turned or milled.
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