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Spring Plungers（Wrench Hole Shape：Negative）

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

Short Spring Plunger (ZSP-SUS, SPL-SUS, SPLH-SUS)

IMAO CORPORATION

Made from stainless steel, this product is optimal for places requiring rust prevention and clean environments. Short overall length demonstrates effective use in confined spaces. Available in three types of load for different screw diameters (excluding certain diameters).

[Features]
· The rear surfaces are marked for product identification.
· ZSP-SUS: 1 line / SPLH-SUS: 2 lines.
· The overall length is short for convenient use in confined spaces.

CAD ：: 2D / 3D

Standard Price:	SGD 5.92-
Days to Ship:	9 Day(s) or more

Small Plunger PCF

NABEYA BI-TECH

Light-load and heavy-load types available in steel and stainless steel.

CAD ：: 2D / 3D

Standard Price:	SGD 4.36-
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

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 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

Short Plunger SPL

KONISHI

A spring is built in the screw, and the spring force causes the ball to move in and out. 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 3.95-
Days to Ship:	4 Day(s) or more

Short Spring Plunger (with Long Lock) (LSPLL-SUS, LSPL-SUS, LSPLH-SUS)

IMAO CORPORATION

Self-locking type short plungers. Made from stainless steel, this product is optimal for places requiring rust prevention and clean environments. 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 11.96-
Days to Ship:	9 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	IMAO CORPORATION	NABEYA BI-TECH	IMAO CORPORATION	IMAO CORPORATION	NABEYA	KONISHI	IMAO CORPORATION
Product Series	Short Spring Plunger (ZSP-SUS, SPL-SUS, SPLH-SUS)	Small Plunger PCF	Short Spring Plunger (ZSP, SPL, SPLH)	Short Spring Plunger (with Long Lock) (LSPL / LSPL / LSPLH)	Spring Pin Plunger B Type	Short Plunger SPL	Short Spring Plunger (with Long Lock) (LSPLL-SUS, LSPL-SUS, LSPLH-SUS)
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D	2D	2D / 3D
Days to Ship	9 Day(s) or more	Same day or more	Same day or more	Same day or more	4 Day(s) or more	4 Day(s) or more	9 Day(s) or more
Outer Dia. M(mm)	4 ～ 20	4 ～ 24	4 ～ 20	4 ～ 16	4 ～ 12	4 ～ 24	4 ～ 16
Stroke S(mm)	1.5 ～ 6.5	1.5 ～ 8	1.5 ～ 6.5	1.5 ～ 4.5	1.5 ～ 3.5	1.5 ～ 8	1.5 ～ 4.5
Tip Material	Stainless Steel	Steel / Stainless Steel	Steel	Steel	Steel / Stainless Steel	Steel	Stainless Steel
Body Material	Stainless Steel	Steel / Stainless Steel	Steel	Steel	Steel / Stainless Steel	Steel	Stainless Steel
Mounting Method	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 / 50.01~100	0.01~50 / 50.01~100	0.01~50	0.01~50 / 50.01~100	0.01~50 / 50.01~100
Lock	Not Provided	Not Provided	Not Provided	Provided	Not Provided	Not Provided	Provided
Tip Heat Treatment	Hardening	Not Provided / Hardening	Carburized	Carburized	Not Provided / Carburized	Not Provided	Hardening
Screw Type of Pin Plunger	Spherical	Spherical	Spherical	Spherical	Spherical	Spherical / Short Stroke	Spherical
Wrench Hole Shape	Negative	Negative	Negative	Negative	Negative	Negative	Negative
Main Body Surface Treatment	Not Provided	Not Provided / Black Oxide	Black Oxide	Black Oxide	Not Provided / Black Oxide / Trivalent Chromate	Black Oxide	Not Provided
Tip Surface Treatment	Not Provided	Black Oxide / Trivalent Chromate / Nitriding Treatment	Black Oxide / Zinc Plating	Black Oxide / Zinc Plating	Not Provided / Black Oxide / Electroless Nickel Plating	Black Oxide	Not Provided

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

Wrench Hole Shape
- Negative
- Hex
Clear

Main Body Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Trivalent Chromate
Clear

Tip Surface Treatment
- Not Provided
- Black Oxide
- Trivalent Chromate
- Electroless Nickel Plating
- Nitriding Treatment
- Zinc Plating
Clear

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Spring Plungers（Wrench Hole Shape：Negative）

Configure

Specification/Dimensions

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

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