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Spring Plungers（Screw Type of Pin Plunger：With Hex Socket）

A spring plunger is a mechanical device consisting of a pin or plunger enclosed within a housing, with a spring providing force to extend or retract the plunger. When not acted upon, the spring pushes the plunger outward from the housing. Applying external force compresses the spring, allowing the plunger to retract. Once the force is removed, the spring pushes the plunger back out. Some spring plungers have locking mechanisms for added stability. They are widely used in manufacturing for precise positioning, retaining objects in place, aligning components, and providing adjustable force. They can also serve as safety devices by giving feedback or triggering switches. In essence, spring plungers offer a simple yet effective solution for controlling motion and force in various applications. To select a Misumi spring plunger, consult the product specifications for factors such as size, material, spring force, and any additional features required for your specific application needs. Then, use MISUMI's online catalog or contact direct our MISUMI for assistance.

18 items

: 30; 45; 60

Days to Ship	All Same day 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less 11 Day(s) or Less 12 Day(s) or Less

On Sale Till 31/03/2025

Short Stroke Plunger - PSP

NABEYA BI-TECH

[Features]
· With nylon welding to prevent loosening (except for M3 and M4).
· PSP-N is equipped with plastic pins.
· Does not scratch the workpiece.
· Use the dedicated plunger wrench (PPW) for pin mounting and removal.
· Use abrasion-resistant ball buttons (BB) on the receiving end.
· The manufacturer also offers custom products made to unique specifications, including dimensions, loads, and materials, etc.

CAD ：: 2D / 3D

Standard Price:	SGD 7.82-
	Special Price
Days to Ship:	Same day or more

Short Stroke Plungers SPS

KONISHI

All-stainless steel ball short-stroke plungers, ideal for food machinery/outdoor installation due to its superior anti-rust properties.

CAD ：: 2D

Standard Price:	SGD 16.09-
Days to Ship:	5 Day(s) or more

Long Stroke Plunger PLP

NABEYA BI-TECH

Used for oil breakers, knockouts, and positioners. Includes anti-loosening nylon lock.

CAD ：: 2D / 3D

Standard Price:	SGD 18.78-
Days to Ship:	4 Day(s) or more

Short Stroke Plunger PSPS

NABEYA BI-TECH

[Features]
- Short stroke plunger made of stainless steel.
- Outstanding durability.
- PSPS-NS or PSPS-NZ pins are made of plastic.
- Does not scratch the workpieces.
- Use the dedicated plunger wrench PPW for mounting or dismounting from the pin side.
- Use the ball button BB with improved abrasion resistance for the receiving side.
- Products with special dimension, load, or material specs can also be produced.

CAD ：: 2D / 3D

Standard Price:	SGD 20.83-
Days to Ship:	4 Day(s) or more

A Type Spring Pin Plunger

NABEYA

The perfect plunger for positioning, fixing, pressing, pushing against, and pushing apart.

CAD ：: 2D

Standard Price:	SGD 4.08-
Days to Ship:	4 Day(s) or more

Short Stroke Plungers (Heavy Load) SP-H

KONISHI

This is a heavy duty type of short spring plunger. Compatible wrenches for SP-3-H and SP-4-H are not available.

CAD ：: 2D

Standard Price:	SGD 9.71-
Days to Ship:	4 Day(s) or more

Short Stroke Plungers SPS-D

KONISHI

A short-stroke plunger in full stainless steel. Ideally suited to catering machinery and outdoor installations due to its superior anti-rust properties.

CAD ：: 2D

Standard Price:	SGD 18.43-
Days to Ship:	5 Day(s) or more

Short Stroke Plungers SP-D

KONISHI

An integral spring inside the screw forces a pin in and out. Can be used to determine, select the position of, and push out fixtures. Screw diameters from M4 to M16 are available. Simply select the size you require.

CAD ：: 2D

Standard Price:	SGD 11.79-
Days to Ship:	5 Day(s) or more

Spring Plunger - PSF/PSN

NABEYA BI-TECH

[Features]
· Both of the steel and stainless steel plungers are available with plastic pins.
· PsF: Light load, steel plunger.
· PSF-SN: Light load, full stainless steel plunger.
· PSN: Light load, steel plunger with plastic pin.
· PSF-KN: Light load, stainless steel plunger with plastic pin.
· PSF-ss: Heavy load, steel plunger.

CAD ：: 2D / 3D

Standard Price:	SGD 7.64-
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Small Plunger PSS

NABEYA BI-TECH

Stainless steel for high resistance to corrosion/heat.

[Features]
- PSS-2: Made of steel; light load.
- PSS-1: Made of steel, heavy load.
- PSSS-1: Made of stainless steel, heavy load.
- PSSS-3: Made of stainless steel; super-heavy load.
- The PSSS-1 and PSSS-3 are made entirely of stainless steel.
- Excellent in cutting and heat resistance.
- The PSS-2 and the PSS-1 are equipped with a nylon lock (except for M4).
- Use a locking service with the PSSS-1 and PSSS-3.
- Use the ball button BB with improved abrasion resistance for the receiving side.

CAD ：: 2D / 3D

Standard Price:	SGD 4.86-
	Special Price
Days to Ship:	Same day or more

Long Stroke Plungers (Light Load) HSP-L

KONISHI

Can be used as a press mold component for oil breakers, knockouts, positioners, and so on. Anti-looseness treatment is applied to the screw part.

CAD ：: 2D

Standard Price:	SGD 58.68
Days to Ship:	8 Day(s) or more

Spring Plungers - Body with Hexagon Socket Hole

MISUMI

As it can be fixed with a hex key from the top, no dedicated wrench is required.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 9.43-
Days to Ship:	Same day or more

Spring Pin Plunger C Type

NABEYA

[Features]
· For the PPC-J, the hexagon socket set screw is glossy.
· Optimal plunger for positioning, fixing, pressing, and press releasing.

CAD ：: 2D

Standard Price:	SGD 5.71-
Days to Ship:	4 Day(s) or more

Short-Stroke Plunger SP

KONISHI

[Features]
・ A spring is built in the screw, and the pin will come in and out with the force of the spring
・ It can be used for indexing, positioning and extrusion of jigs
・ Since the thread diameters range from M4 to M24, please select the required size

CAD ：: 2D

Standard Price:	SGD 7.05-
Days to Ship:	4 Day(s) or more

Long Stroke Plungers (Heavy Load) LSP-H

KONISHI

Use as a press mold component for oil breakers, knockouts, positioners, and so on. Anti-looseness treatment (ALOK) is applied to the screw part.

CAD ：: 2D

Standard Price:	SGD 16.82-
Days to Ship:	5 Day(s) or more

Short Stroke Plungers (Light Load) SP-S

KONISHI

This is a light duty type of short spring plunger. Compatible wrenches for SP-3-H and SP-4-H are not available.

CAD ：: 2D

Standard Price:	SGD 9.65-
Days to Ship:	5 Day(s) or more

Long Stroke Plungers (Light Load) LSP-L

KONISHI

Use as a press mold component for oil breakers, knockouts, positioners, and so on. Anti-looseness treatment (ALOK) is applied to the screw part.

CAD ：: 2D

Standard Price:	SGD 19.30-
Days to Ship:	5 Day(s) or more

Long Stroke Plungers (Heavy Load) HSP-H

KONISHI

Use as a press mold component for oil breakers, knockouts, positioners, and so on. Anti-looseness treatment (ALOK) is applied to the screw part.

CAD ：: 2D

Standard Price:	SGD 151.65
Days to Ship:	23 Day(s) or more


Brand
Product Series
CAD
Days to Ship
Outer Dia. M(mm)
Stroke S(mm)
Tip Material
Body Material
Mounting Method
Initial Load (Range)(N)
Lock
Tip Heat Treatment
Screw Type of Pin Plunger
Wrench Hole Shape
Main Body Surface Treatment
Tip Surface Treatment

	On Sale Till 31/03/2025									On Sale Till 31/03/2025
Brand	NABEYA BI-TECH	KONISHI	NABEYA BI-TECH	NABEYA BI-TECH	NABEYA	KONISHI	KONISHI	KONISHI	NABEYA BI-TECH	NABEYA BI-TECH	KONISHI	MISUMI	NABEYA	KONISHI	KONISHI	KONISHI	KONISHI	KONISHI
Product Series	Short Stroke Plunger - PSP	Short Stroke Plungers SPS	Long Stroke Plunger PLP	Short Stroke Plunger PSPS	A Type Spring Pin Plunger	Short Stroke Plungers (Heavy Load) SP-H	Short Stroke Plungers SPS-D	Short Stroke Plungers SP-D	Spring Plunger - PSF/PSN	Small Plunger PSS	Long Stroke Plungers (Light Load) HSP-L	Spring Plungers - Body with Hexagon Socket Hole	Spring Pin Plunger C Type	Short-Stroke Plunger SP	Long Stroke Plungers (Heavy Load) LSP-H	Short Stroke Plungers (Light Load) SP-S	Long Stroke Plungers (Light Load) LSP-L	Long Stroke Plungers (Heavy Load) HSP-H
CAD	2D / 3D	2D	2D / 3D	2D / 3D	2D	2D	2D	2D	2D / 3D	2D / 3D	2D	2D / 3D	2D	2D	2D	2D	2D	2D
Days to Ship	Same day or more	5 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	5 Day(s) or more	5 Day(s) or more	4 Day(s) or more	Same day or more	8 Day(s) or more	Same day or more	4 Day(s) or more	4 Day(s) or more	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	23 Day(s) or more
Outer Dia. M(mm)	3 ～ 12	4 ～ 16	12 ～ 30	4 ～ 12	6 ～ 12	3 ～ 12	4 ～ 16	4 ～ 16	3 ～ 24	4 ～ 16	10	8 ～ 12	3 ～ 12	3 ～ 24	12 ～ 30	5 ～ 12	16 ～ 30	16
Stroke S(mm)	1.5 ～ 5	1.5 ～ 5	10 ～ 30	2 ～ 5	2 ～ 3.5	1.5 ～ 5	1.5 ～ 5	1.5 ～ 5	1 ～ 10	1.2 ～ 4.5	8	3 ～ 10	1 ～ 4	1 ～ 10	10 ～ 30	3 ～ 5	10 ～ 30	40
Tip Material	Steel / Plastic	Stainless Steel	Steel	Stainless Steel / Plastic	Steel / Stainless Steel	Steel	Plastic	Plastic	Steel / Stainless Steel / Plastic	Steel / Stainless Steel	Steel	Steel	Steel / Stainless Steel / Plastic	Steel	Steel	Steel	Steel	Steel
Body Material	Steel	Stainless Steel	Steel	Stainless Steel	Steel / Stainless Steel	Steel	Stainless Steel	Steel	Steel / Stainless Steel	Steel / Stainless Steel	Steel	Steel	Steel / Stainless Steel	Steel	Steel	Steel	Steel	Steel
Mounting Method	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In
Initial Load (Range)(N)	0.01~50	0.01~50	0.01~50	0.01~50	0.01~50	0.01~50	0.01~50	0.01~50	0.01~50 / 50.01~100	0.01~50	0.01~50	0.01~50	0.01~50	0.01~50 / 50.01~100	0.01~50	0.01~50	0.01~50	0.01~50
Lock	Provided	Not Provided	Provided	Not Provided	Not Provided	Provided	Not Provided	Not Provided	Not Provided	Not Provided / Provided	Provided	Provided	Not Provided	Not Provided	Provided	Provided	Provided	Provided
Tip Heat Treatment	Not Provided / Hardening	Not Provided	Hardening	Not Provided / Hardening	Not Provided / Carburized	Not Provided	Not Provided	Not Provided	Not Provided / Hardening	Hardening	Not Provided	Carburized	Not Provided / Carburized	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided
Screw Type of Pin Plunger	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket	With Hex Socket
Wrench Hole Shape	Hex	Hex	Hex	Hex	Hex	Hex	Hex	Hex	Hex	Hex	Hex	Hex	Hex	Hex	Hex	Hex	Hex	Hex
Main Body Surface Treatment	Black Oxide / Electroless Nickel Plating	Not Provided	Black Oxide	Not Provided	Not Provided / Black Oxide / Trivalent Chromate	Black Oxide	Not Provided	Black Oxide	Not Provided / Black Oxide	Not Provided / Black Oxide	Black Oxide	Black Oxide	Not Provided / Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide
Tip Surface Treatment	Not Provided / Black Oxide / Trivalent Chromate	Nitriding Treatment	Black Oxide / Trivalent Chromate	Not Provided	Not Provided / Black Oxide / Electroless Nickel Plating	Black Oxide	Not Provided	Not Provided	Not Provided / Black Oxide / Nitriding Treatment	Not Provided / Black Oxide / Trivalent Chromate	Black Oxide	Trivalent Chromate	Not Provided / Black Oxide	Black Oxide	Black Oxide	Trivalent Chromate	Trivalent Chromate	Black Oxide

Configure

Specification/Dimensions

Outer Dia. M(mm)
1.5

2

3

4

5

6

8

10

12

16

20

24

30
Drawing

Clear

Stroke S(mm)
1

1.2

1.5

2

2.3

2.5

3

3.5

4

4.5

5

6

6.5

7

8

9

10

12

15

20

30

40

50

60

70

80
Drawing

Clear

Tip Material
- Steel
- Stainless Steel
- Plastic
Clear

Body Material
- Steel
- Stainless Steel
Clear

Mounting Method
- Screw-In
- Press Fit
Clear

Initial Load (Range)(N)
- 0.01~50
- 50.01~100
Clear

Lock
- Not Provided
- Provided
Clear

Tip Heat Treatment
- Not Provided
- Hardening
- Carburized
Clear

Screw Type of Pin Plunger
- Flat
- Spherical
- Taper R
- Flanged
- Tapped Tip
- With Hex Nose
- With Hex Socket
- Short Stroke
- Long Stroke
Images

Clear