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  • Plungers

Spring Plungers

PSP

Hints for Correctly Using NBK Products


Dimension Drawing

PSPSpring Plungers寸法図

*1: Use a slotted screwdriver with PSP-3PSP-4BPSP-4.

Specs/CAD

Select

M (Coarse)
Nominal of Thread
All
M3
M4
M5
M6
M8
M10
M12
L
All
10
15
24
13
20
27
25
30
12
35
43
Type
All
Light Load
Heavy Load
Super Heavy Load

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch s L L1 D a B Applicable Ball Button Applicable Wrench*1 Load (N)
Min./Max.
Mass
(g)
Anti-
Loosening
Type Price
(USD)
CAD
Download
Add to Cart
PSP-3-1.5 M3 0.5 1.5 10 - 1.1 0.5 0.9 BB-4 - 0.49/1 0.3 No Light Load 9.81 CAD Cart
PSP-3-3 M3 0.5 3 15 - 1.1 0.5 0.9 BB-4 - 0.29/1 0.6 No Light Load 11.21 CAD Cart
PSP-4-2 M4 0.7 2 15 - 1.6 0.7 1.3 BB-4 - 1/2 0.7 No Light Load 8.61 CAD Cart
PSP-4-4 M4 0.7 4 24 - 1.6 0.7 1.3 BB-4 - 0.59/2 1.6 No Light Load 11.21 CAD Cart
PSP-5B-3 M5 0.8 3 13 - 2 1.2 1.5 BB-5 PPW-5 1/7.8 1.2 Yes Light Load 8.61 CAD Cart
PSP-5-3 M5 0.8 3 20 - 2 1.2 1.5 BB-5 PPW-5 2/9.8 2 Yes Light Load 7.69 CAD Cart
PSP-5-5 M5 0.8 5 27 - 2 1.2 1.5 BB-5 PPW-5 2/9.8 3 Yes Light Load 11.21 CAD Cart
PSP-6-3 M6 1 3 25 - 2.5 1.6 2 BB-6 PPW-6 2.9/9.8 3 Yes Light Load 7.89 CAD Cart
PSP-6-5 M6 1 5 30 - 2.5 1.6 2 BB-6 PPW-6 2/9.8 4 Yes Light Load 11.21 CAD Cart
PSP-8-3 M8 1.25 3 25 - 3.1 2.2 2.5 BB-8 PPW-8 5.9/9.8 6 Yes Light Load 9.81 CAD Cart
PSP-8-4 M8 1.25 4 25 - 3.1 2.2 2.5 BB-8 PPW-8 2.9/9.8 6 Yes Light Load 8.90 CAD Cart
PSP-8-5 M8 1.25 5 27 - 3.1 2.2 2.5 BB-8 PPW-8 2/9.8 9 Yes Light Load 11.21 CAD Cart
PSP-10-5 M10 1.5 5 30 - 3.8 2.2 3 BB-8 PPW-10 2.9/15 11 Yes Light Load 10.92 CAD Cart
PSP-12-5 M12 1.75 5 30 - 5.5 2.5 4 BB-10 PPW-12 2/9.8 15 Yes Light Load 13.23 CAD Cart
PSP-3-1.5-S M3 0.5 1.5 10 - 1.1 0.5 0.9 BB-4 - 0.49/2.9 0.3 No Heavy Load 9.81 CAD Cart
PSP-3-3-S M3 0.5 3 15 - 1.1 0.5 0.9 BB-4 - 0.78/2.9 0.6 No Heavy Load 11.21 CAD Cart
PSP-4B-2-S M4 0.7 2 12 - 1.6 0.7 1.3 BB-4 - 2/9.8 0.7 No Heavy Load 8.17 CAD Cart
PSP-4-2-S M4 0.7 2 15 - 1.6 0.7 1.3 BB-4 - 2.9/8.8 0.7 No Heavy Load 8.61 CAD Cart
PSP-4-4-S M4 0.7 4 24 - 1.6 0.7 1.3 BB-4 - 2/8.8 1.6 No Heavy Load 11.21 CAD Cart
PSP-5-3-S M5 0.8 3 20 - 2 1.2 1.5 BB-5 PPW-5 3.9/20 2 Yes Heavy Load 7.69 CAD Cart
PSP-5-5-S M5 0.8 5 27 - 2 1.2 1.5 BB-5 PPW-5 2.9/19.6 3 Yes Heavy Load 11.21 CAD Cart
PSP-6-3-S M6 1 3 25 - 2.5 1.6 2 BB-6 PPW-6 7.8/25 3 Yes Heavy Load 7.89 CAD Cart
PSP-6-5-S M6 1 5 30 - 2.5 1.6 2 BB-6 PPW-6 4.9/29.4 4 Yes Heavy Load 11.21 CAD Cart
PSP-8-3-S M8 1.25 3 25 - 3.1 2.2 2.5 BB-8 PPW-8 14.7/29.4 6 Yes Heavy Load 9.81 CAD Cart
PSP-8-4-S M8 1.25 4 25 - 3.1 2.2 2.5 BB-8 PPW-8 7.8/29 6 Yes Heavy Load 8.90 CAD Cart
PSP-8-5-S M8 1.25 5 27 - 3.1 2.2 2.5 BB-8 PPW-8 7.8/29.4 9 Yes Heavy Load 11.21 CAD Cart
PSP-10-5-S M10 1.5 5 30 - 3.8 2.2 3 BB-8 PPW-10 9.8/49 11 Yes Heavy Load 10.92 CAD Cart
PSP-12-5-S M12 1.75 5 30 - 5.5 2.5 4 BB-10 PPW-12 9.8/49 15 Yes Heavy Load 13.23 CAD Cart
PSP-8-3-Z M8 1.25 3 27 27 3.1 2.2 2.5 BB-8 PPW-8 35.3/41.2 7 Yes Super Heavy Load 9.92 CAD Cart
PSP-8-5-Z M8 1.25 5 35 30 3.1 2.2 2.5 BB-8 PPW-8 14.7/41.2 10 Yes Super Heavy Load 12.15 CAD Cart
PSP-10-5-Z M10 1.5 5 35 30 3.8 2.2 3 BB-8 PPW-10 15.7/62.8 11 Yes Super Heavy Load 12.15 CAD Cart
PSP-12-5-Z M12 1.75 5 43 35 5.5 2.5 4 BB-10 PPW-12 37.2/98.1 21 Yes Super Heavy Load 14.66 CAD Cart

*1: Use a slotted screwdriver with PSP-3PSP-4BPSP-4.

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Customer Service

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Material/Finish

PSP PSP-S PSP-Z
Main Body Equivalent to SCM435
Ferrosoferric Oxide Film (Black)
Equivalent to SCM435
Ferrosoferric Oxide Film (Black)
Equivalent to SCM435
Nickel Plating
Hex Socket Set Screw Steel
Ferrosoferric Oxide Film (Black)
Steel
Ferrosoferric Oxide Film (Black)
Steel
Ferrosoferric Oxide Film (Black)
Pin Steel (Hardness: 57 - 63 HRC)
Trivalent Chromate Treatment*1
Steel (Hardness: 57 - 63 HRC)
Ferrosoferric Oxide Film (Black)
Steel (Hardness: 57 - 63 HRC)
Ferrosoferric Oxide Film (Black)
Spring SWPB SWPB SWPB
Anti-Loosening Epoxy Resin Microcapsule Epoxy Resin Microcapsule Epoxy Resin Microcapsule

*1: PSP-3PSP-4PSP-5 pin surface treatment has electroless nickel plating. Only PSP-5B-3is treated with trivalent chromate.


Characteristics

  • Coated with a sealed microcapsule containing loosening-prevention agent (excluding M3/M4).
  • 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

PSPSpring Plungers


Product List

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