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Spring Plungers（Tip Heat Treatment：Hardening）

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. ▲ Close

12 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 12 Day(s) or Less 14 Day(s) or Less

Short Spring 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 9.78-
Days to Ship:	Same day or more

Spring Plungers / Wrenches / Block Plungers - Stainless Steel

MISUMI

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 13.65-
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 18.68-
Days to Ship:	8 Day(s)

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

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 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:	8 Day(s)

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 positi...Readmore

CAD ：: 2D / 3D

Standard Price:	SGD 11.96-
Days to Ship:	8 Day(s)

Spring Plunger (with Long Lock) (LPL-SUS, LPLH-SUS)

IMAO CORPORATION

Self-locking type spring plungers. Made from stainless steel, this product is optimal for places requiring rust prevention and clean environments. Mountable with a flat-head screwdriver. Available in two types of load for different screw diameters (excluding certain diameters). [Features]· The rear surfaces are marked for product identification.· LPLH-SUS: Equipped with a two-line self-locking (long-lock) feature.· Strongly vibration resist...Readmore

CAD ：: 2D / 3D

Standard Price:	SGD 25.42-
Days to Ship:	6 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

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

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...Readmore

CAD ：: 2D / 3D

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

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-
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


Brand	MISUMI	MISUMI	IMAO CORPORATION	NABEYA BI-TECH	NABEYA BI-TECH	IMAO CORPORATION	IMAO CORPORATION	IMAO CORPORATION	NABEYA BI-TECH	NABEYA BI-TECH	NABEYA BI-TECH	NABEYA BI-TECH
Product Series	Short Spring Plungers - Stainless Steel	Spring Plungers / Wrenches / Block Plungers - Stainless Steel	Spring Plunger (ZP, PL, PLH, ZN, PLN)	Small Plunger PCF	Long Stroke Plunger PLP	Short Spring Plunger (ZSP-SUS, SPL-SUS, SPLH-SUS)	Short Spring Plunger (with Long Lock) (LSPLL-SUS, LSPL-SUS, LSPLH-SUS)	Spring Plunger (with Long Lock) (LPL-SUS, LPLH-SUS)	Short Stroke Plunger PSPS	Spring Plunger - PSF/PSN	Small Plunger PSS	Short Stroke Plunger - PSP
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	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	8 Day(s)	Same day or more	4 Day(s) or more	8 Day(s)	8 Day(s)	6 Day(s) or more	4 Day(s) or more	4 Day(s) or more	Same day or more	Same day or more
Outer Dia. M(mm)	3 ～ 16	3 ～ 16	3 ～ 16	4 ～ 24	12 ～ 30	4 ～ 20	4 ～ 16	5 ～ 16	4 ～ 12	3 ～ 24	4 ～ 16	3 ～ 12
Stroke S(mm)	1 ～ 4.5	1.5 ～ 20	1.5 ～ 5	1.5 ～ 8	10 ～ 30	1.5 ～ 6.5	1.5 ～ 4.5	2.3 ～ 5	2 ～ 5	1 ～ 10	1.2 ～ 4.5	1.5 ～ 5
Tip Material	Stainless Steel	Stainless Steel	Stainless Steel	Steel	Steel	Stainless Steel	Stainless Steel	Stainless Steel	Stainless Steel	Steel	Steel / Stainless Steel	Steel
Body Material	Stainless Steel	Stainless Steel	Stainless Steel	Steel	Steel	Stainless Steel	Stainless Steel	Stainless Steel	Stainless Steel	Steel	Steel / Stainless 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
Initial Load (Range)(N)	0.01~50	0.01~50	0.01~50	0.01~50 / 50.01~100	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
Lock	Not Provided	Not Provided	Not Provided	Not Provided	Provided	Not Provided	Provided	Provided	Not Provided	Not Provided	Not Provided / Provided	Provided
Tip Heat Treatment	Hardening	Hardening	Hardening	Hardening	Hardening	Hardening	Hardening	Hardening	Hardening	Hardening	Hardening	Hardening
Screw Type of Pin Plunger	Short Stroke	Spherical	Spherical	Spherical	Spherical / With Hex Socket / Long Stroke	Spherical	Spherical	Spherical	Spherical / With Hex Socket / Short Stroke	Spherical / With Hex Socket	Spherical / With Hex Socket	Spherical / With Hex Socket / Short Stroke
Wrench Hole Shape	Hex	Hex	Hex	Negative	Hex	Negative	Negative	Hex	Hex	Hex	Hex	Hex
Main Body Surface Treatment	Not Provided / Electroless Nickel Plating	Not Provided / Electroless Nickel Plating	Not Provided	Black Oxide	Black Oxide	Not Provided	Not Provided	Not Provided	Not Provided	Black Oxide	Not Provided / Black Oxide	Black Oxide / Electroless Nickel Plating
Tip Surface Treatment	Not Provided	Not Provided	Not Provided	Black Oxide / Trivalent Chromate	Black Oxide / Trivalent Chromate	Not Provided	Not Provided	Not Provided	Not Provided	Black Oxide	Not Provided / Black Oxide / Trivalent Chromate	Black Oxide / Trivalent Chromate


Brand
Product Series

Brand

MISUMI

IMAO CORPORATION

NABEYA BI-TECH

IMAO CORPORATION

NABEYA BI-TECH

Product Series

Short Spring Plungers - Stainless Steel

Spring Plungers / Wrenches / Block Plungers - Stainless Steel

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

Small Plunger PCF

Long Stroke Plunger PLP

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

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

Spring Plunger (with Long Lock) (LPL-SUS, LPLH-SUS)

Short Stroke Plunger PSPS

Spring Plunger - PSF/PSN

Small Plunger PSS

Short Stroke Plunger - PSP

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

11

12

15

20

30

40

50

60

70

80
Drawing

Clear

Tip Material
- Steel
- Stainless Steel
- Plastic
- Others
Clear

Body Material
- Steel
- Stainless Steel
- Aluminum
Clear

Mounting Method
- Screw-In
- Press Fit
- Screw Clamp
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