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  • Plungers

PSP-8-3-N

Spring Plungers

Hints for Correctly Using NBK Products

The video is an example using PSP(PSP). You can perform the same operation using this product.


Dimension Drawing

PSP-NSpring Plungers寸法図

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch s L D a B Applicable Ball Button Applicable Wrench Load (N)
Min./Max.
Mass
(g)
Anti-
Loosening
CAD
Download
Cart
PSP-8-3-N M8 1.25 3 25 3.1 2.2 2.5 BB-8 PPW-8 5.9/9.8 6 Yes CAD RFQ
Part Number M (Coarse)
Nominal of Thread
Pitch s L D a B Applicable Ball Button Applicable Wrench Load (N)
Min./Max.
Mass
(g)
Anti-
Loosening
CAD
Download
Cart
PSP-8-3-N M8 1.25 3 25 3.1 2.2 2.5 BB-8 PPW-8 5.9/9.8 6 Yes CAD RFQ
Part Number M (Coarse)
Nominal of Thread
Pitch s L D a B Applicable Ball Button Applicable Wrench Load (N)
Min./Max.
Mass
(g)
Anti-
Loosening
CAD
Download
Cart
PSP-8-3-N M8 1.25 3 25 3.1 2.2 2.5 BB-8 PPW-8 5.9/9.8 6 Yes CAD RFQ
Part Number M (Coarse)
Nominal of Thread
Pitch s L D a B Applicable Ball Button Applicable Wrench Load (N)
Min./Max.
Mass
(g)
Anti-
Loosening
CAD
Download
Cart
PSP-8-3-N M8 1.25 3 25 3.1 2.2 2.5 BB-8 PPW-8 5.9/9.8 6 Yes CAD RFQ

Material/Finish

PSP-N
Main Body Equivalent to SCM435
Ferrosoferric Oxide Film (Black)
Hex Socket Set Screw Steel
Ferrosoferric Oxide Film (Black)
Pin Polyacetal (White)
Spring SWPB
Anti-Loosening Epoxy Resin Microcapsule

Characteristics

  • Coated with a sealed microcapsule containing loosening-prevention agent (excluding M3/M4).
  • PSP-N has a plastic pin. Workpiece damage can be avoided.
  • We also produce products of special specifications, e.g. dimensions, load and materials. Plungers : Related Information
  • Pin materials and load types can be selected by a product code.
Product Code Pin Material Load Type
PSP Steel Light Load
PSP-N Plastic Light Load
PSP-S Steel Heavy Load
PSP-Z Steel Super Heavy Load

Precautions for Use

Install and remove from the pin side by using the plunger wrench PPW.
If a hex socket is used, the hex socket set screw attached to the main body may detach.

Related Products

A dedicated plunger wrench PPW for mounting or removal from the pin side is available.
PPW

PSP-NSpring Plungers


Product List

Click here to see PSP-N

Click here to see Plungers