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Spring Plungers（Tip Heat Treatment：Carburized）

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.

15 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

Spring Plungers - 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 5.48-
Days to Ship:	Same day or more

Spring Plunger (ZP, PL, PLH, ZN, PLN)

IMAO CORPORATION

Classic spring plungers. Available in three types of load for different screw diameters (excluding certain diameters). Available in a variety of materials.

CAD ：: 2D / 3D

Standard Price:	SGD 7.72-
Days to Ship:	Same day or more

Short Spring Plungers - Steel

MISUMI

Volume Discount

CAD ：: 2D / 3D

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

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-
Days to Ship:	Same day or more

Short Spring Plunger (ZSP, SPL, SPLH)

IMAO CORPORATION

It is a short type spring plunger.
[Features]
·Its short overall length makes it convenient for use in small spaces.
·Three different loads are available for each thread diameter (except some).
·Markings are attached to the bottom of the product for product identification.
·ZSP: 1 line SPLH: 2 lines.
·Heat-Resistant Temperature: 100°C .
[Applications]
·Positioning of jig replacement.
·Preliminary guidelines on the index head, and ejecting press workpieces.

CAD ：: 2D / 3D

Standard Price:	SGD 4.40-
Days to Ship:	Same day or more

Spring Plunger (with Long Lock) (LPL, LPLN)

IMAO CORPORATION

Self-locking type spring plungers. Plastic (LPLN) nose types are also available. Available in three types of load for different screw diameters (excluding certain diameters). Available in a variety of materials.

CAD ：: 2D / 3D

Standard Price:	SGD 13.32-
Days to Ship:	6 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

Spring Plungers - Flat Tip

MISUMI

[Features]Spring plunger with a flat tip. Spring material: SWP−B.

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 6.74-
Days to Ship:	Same day or more

Short Spring Plunger (with Long Lock) (LSPL / LSPL / LSPLH)

IMAO CORPORATION

Self-locking type short plungers. Available in three types of load for different screw diameters (excluding certain diameters).

[Features]
· The overall length is short for convenient use in confined spaces.
· Equipped with a self-locking (long-lock) feature.
· Strongly vibration resistant with a high extraction moment.
· Enables precise positioning.
· The self-locking feature is effective for up to approx. 20 install/uninstall cycles.
· The rear surfaces are marked for product identification.

CAD ：: 2D / 3D

Standard Price:	SGD 7.44-
Days to Ship:	Same day or more

Spring Plungers - For Inclined Surface

MISUMI

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 19.59-
Days to Ship:	4 Day(s) or more

Spring Plungers - With Hex Nose

MISUMI

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 9.47-
Days to Ship:	4 Day(s) or more

Spring Pin Plunger B Type

NABEYA

[Features]This is a plunger suitable for positioning, fixing, pressing and releasing.

CAD ：: 2D

Standard Price:	SGD 3.27-
Days to Ship:	4 Day(s) or more

Spring Plungers - Flanged

MISUMI

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 6.98-
Days to Ship:	4 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


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


Brand	MISUMI	IMAO CORPORATION	MISUMI	MISUMI	IMAO CORPORATION	IMAO CORPORATION	NABEYA	MISUMI	IMAO CORPORATION	MISUMI	MISUMI	NABEYA	MISUMI	MISUMI	NABEYA
Product Series	Spring Plungers - Steel	Spring Plunger (ZP, PL, PLH, ZN, PLN)	Short Spring Plungers - Steel	Spring Plungers - Tapped Tip	Short Spring Plunger (ZSP, SPL, SPLH)	Spring Plunger (with Long Lock) (LPL, LPLN)	A Type Spring Pin Plunger	Spring Plungers - Flat Tip	Short Spring Plunger (with Long Lock) (LSPL / LSPL / LSPLH)	Spring Plungers - For Inclined Surface	Spring Plungers - With Hex Nose	Spring Pin Plunger B Type	Spring Plungers - Flanged	Spring Plungers - Body with Hexagon Socket Hole	Spring Pin Plunger C Type
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D	2D / 3D	2D / 3D	2D
Days to Ship	Same day or more	Same day or more	Same day or more	Same day or more	Same day or more	6 Day(s) or more	4 Day(s) or more	Same day or more	Same day or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	Same day or more	4 Day(s) or more
Outer Dia. M(mm)	3 ～ 30	3 ～ 24	3 ～ 16	12 ～ 20	4 ～ 20	5 ～ 16	6 ～ 12	5 ～ 12	4 ～ 16	10 ～ 16	10 ～ 16	4 ～ 12	3 ～ 16	8 ～ 12	3 ～ 12
Stroke S(mm)	1.5 ～ 80	1.5 ～ 10	1 ～ 4.5	15 ～ 30	1.5 ～ 6.5	2.3 ～ 5	2 ～ 3.5	3 ～ 10	1.5 ～ 4.5	10 ～ 30	5 ～ 20	1.5 ～ 3.5	1.5 ～ 40	3 ～ 10	1 ～ 4
Tip Material	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel
Body Material	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	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
Initial Load (Range)(N)	0.01~50 / 50.01~100	0.01~50 / 50.01~100	0.01~50	0.01~50	0.01~50 / 50.01~100	0.01~50 / 50.01~100	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	0.01~50
Lock	Not Provided / Provided	Not Provided	Not Provided	Not Provided	Not Provided	Provided	Not Provided	Provided	Provided	Provided	Provided	Not Provided	Provided	Provided	Not Provided
Tip Heat Treatment	Carburized	Carburized	Carburized	Carburized	Carburized	Carburized	Carburized	Carburized	Carburized	Carburized	Carburized	Carburized	Carburized	Carburized	Carburized
Screw Type of Pin Plunger	Spherical	Spherical	Short Stroke	Tapped Tip	Spherical	Spherical	With Hex Socket	Flat	Spherical	Spherical	With Hex Nose	Spherical	Flanged	With Hex Socket	With Hex Socket
Wrench Hole Shape	Hex	Hex	Hex	Hex	Negative	Hex	Hex	Hex	Negative	Hex	Hex	Negative	Hex	Hex	Hex
Main Body Surface Treatment	Black Oxide / Electroless Nickel Plating	Black Oxide	Black Oxide / Electroless Nickel Plating	Electroless Nickel Plating	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide
Tip Surface Treatment	Black Oxide / Trivalent Chromate	Black Oxide	Black Oxide / Trivalent Chromate	Black Oxide / Electroless Nickel Plating	Black Oxide / Zinc Plating	Black Oxide / Zinc Plating	Black Oxide / Electroless Nickel Plating	Trivalent Chromate	Black Oxide / Zinc Plating	Electroless Nickel Plating	Black Oxide / Trivalent Chromate	Black Oxide / Electroless Nickel Plating	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