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  2. Inch parts
  3. 03000 inch
  4. Spring plungers - inch
  5. Spring plungers with hex socket and ball, steel, with thread lock - inch
  6. Spring plungers with hex socket and ball, steel, strong spring force, with thread lock - inch
    7. 03031-2A4
Designation
Spring plunger
Version 1
with thread lock
Main material
steel
Component material
ball steel
D=Thread (inch)
3/8-16
H=Stroke
2
L=Length
23
D1
6
L1
9
Loosening torque approx. Nm
0,6
S
3/16
Spring strength
intensified
Spring force final pressure F2 approx. N
100
Spring force initial pressure F1 approx. N
66
Tightening torque approx. Nm
1,3
carrier form
hexagon socket
pin form
ball
~ 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?
yes
~ REACh SVHC 2 name > threshold
previous lead possible
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Description

Material
Sleeve steel grade 5.8.
Ball steel.
Spring grade D spring steel wire.

Thread lock nylon.
Version
Black oxidised. Ball hardened.
Note
For the inch series, dimension D and S are in inches, all other dimensions are in mm.
Drawing reference
L2 = approx. 2x thread pitch
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