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Spring Plungers（Main Body Surface Treatment：Electroless Nickel Plating）

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.

7 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

Spring Plungers / Wrenches / Block Plungers - Stainless Steel

MISUMI

Products with loosening prevention have been treated with loosening prevention treatment (epoxy resin adhesive) in advance.
Workability is improved with no need for thread locking agents! Achieved reduced screw locking agent application work and stable quality of loosening prevention.

[Features that prevent loosening]
- When screwed in, the microcapsules are destroyed and hardening begins.
・Excellent chemical resistance and heat resistance.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 10.28-
	Special Price
Days to Ship:	Same day or more

On Sale Till 31/03/2025

Spring Plungers - Steel

MISUMI

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 6.15-
	Special Price
Days to Ship:	Same day or more

On Sale Till 31/03/2025

Short Spring Plungers - Steel

MISUMI

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 4.88-
	Special Price
Days to Ship:	Same day or more

On Sale Till 31/03/2025

Short Spring Plungers - Stainless Steel

MISUMI

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 9.78-
	Special Price
Days to Ship:	Same day or more

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 10.01-
	Special Price
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Micro Spring Plungers - Set Screw

MISUMI

[Features]Small diameter type with outer diameter of ø1.5 to ø5. It contributes to space saving. It has grooves for fixing with a set screw from the side.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 18.20-
	Special Price
Days to Ship:	Same day or more

On Sale Till 31/03/2025

Spring Plungers - Tapped Tip

MISUMI

[Features]It can be used with a stopper pin or urethane pusher attached to the tip.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 13.14-
	Special Price
Days to Ship:	Same day 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	On Sale Till 31/03/2025	On Sale Till 31/03/2025	On Sale Till 31/03/2025	On Sale Till 31/03/2025	On Sale Till 31/03/2025
Brand	MISUMI	MISUMI	MISUMI	MISUMI	NABEYA BI-TECH	MISUMI	MISUMI
Product Series	Spring Plungers / Wrenches / Block Plungers - Stainless Steel	Spring Plungers - Steel	Short Spring Plungers - Steel	Short Spring Plungers - Stainless Steel	Short Stroke Plunger - PSP	Micro Spring Plungers - Set Screw	Spring Plungers - Tapped Tip
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D
Days to Ship	Same day or more	Same day or more	Same day or more	Same day or more	4 Day(s) or more	Same day or more	Same day or more
Outer Dia. M(mm)	3 ～ 16	3 ～ 24	4 ～ 16	3 ～ 16	8	1.5 ～ 5	12 ～ 20
Stroke S(mm)	1.5 ～ 20	1.5 ～ 30	1.2 ～ 4.5	1 ～ 4.5	3 ～ 5	1.5 ～ 12	15 ～ 30
Tip Material	Stainless Steel / Plastic	Steel / Plastic	Steel / Plastic	Stainless Steel / Plastic	Steel	Stainless Steel	Steel
Body Material	Stainless Steel	Steel	Steel	Stainless Steel	Steel	Stainless Steel	Steel
Mounting Method	Screw-In	Screw-In	Screw-In	Screw-In	Screw-In	Press Fit	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
Lock	Not Provided	Not Provided / Provided	Not Provided	Not Provided	Provided	Not Provided	Not Provided
Tip Heat Treatment	Not Provided / Hardening	Not Provided / Carburized	Not Provided / Carburized	Not Provided / Hardening	Hardening	Not Provided	Carburized
Screw Type of Pin Plunger	Spherical	Spherical	Short Stroke	Short Stroke	Spherical / With Hex Socket / Short Stroke	Flat	Tapped Tip
Wrench Hole Shape	Hex	Hex	Hex	Hex	Hex	-	Hex
Main Body Surface Treatment	Electroless Nickel Plating	Electroless Nickel Plating	Electroless Nickel Plating	Electroless Nickel Plating	Electroless Nickel Plating	Electroless Nickel Plating	Electroless Nickel Plating
Tip Surface Treatment	Not Provided	Not Provided / Black Oxide	Not Provided / Black Oxide	Not Provided	Black Oxide	Not Provided	Black Oxide / Electroless Nickel Plating

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