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Spring Plungers（Page2）

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.

55 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 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

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

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

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

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 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 (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

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 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


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
Brand	KONISHI	MISUMI	NABEYA BI-TECH	IMAO CORPORATION	NABEYA	KONISHI	KONISHI	KONISHI	KONISHI	KONISHI
Product Series	Short Stroke Plungers SPS-D	Spring Plungers - Body with Hexagon Socket Hole	Small Plunger PSS	Short Spring Plunger (with Long Lock) (LSPLL-SUS, LSPL-SUS, LSPLH-SUS)	Spring Pin Plunger B Type	Short Stroke Plungers (Light Load) SP-S	Long Stroke Plungers (Light Load) LSP-L	Long Stroke Plungers (Light Load) HSP-L	Long Stroke Plungers (Heavy Load) LSP-H	Short Stroke Plungers SP-D
CAD	2D	2D / 3D	2D / 3D	2D / 3D	2D	2D	2D	2D	2D	2D
Days to Ship	5 Day(s) or more	Same day or more	Same day or more	9 Day(s) or more	4 Day(s) or more	5 Day(s) or more	5 Day(s) or more	8 Day(s) or more	5 Day(s) or more	5 Day(s) or more
Outer Dia. M(mm)	4 ～ 16	8 ～ 12	4 ～ 16	4 ～ 16	4 ～ 12	5 ～ 12	16 ～ 30	10	12 ～ 30	4 ～ 16
Stroke S(mm)	1.5 ～ 5	3 ～ 10	1.2 ～ 4.5	1.5 ～ 4.5	1.5 ～ 3.5	3 ～ 5	10 ～ 30	8	10 ～ 30	1.5 ～ 5
Tip Material	Plastic	Steel	Steel / Stainless Steel	Stainless Steel	Steel / Stainless Steel	Steel	Steel	Steel	Steel	Plastic
Body Material	Stainless Steel	Steel	Steel / Stainless Steel	Stainless 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
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	0.01~50	0.01~50	0.01~50	0.01~50
Lock	Not Provided	Provided	Not Provided / Provided	Provided	Not Provided	Provided	Provided	Provided	Provided	Not Provided
Tip Heat Treatment	Not Provided	Carburized	Hardening	Hardening	Not Provided / Carburized	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided
Screw Type of Pin Plunger	Spherical / With Hex Socket / Short Stroke	With Hex Socket	Spherical / With Hex Socket	Spherical	Spherical	Spherical / With Hex Socket / Short Stroke	Spherical / With Hex Socket / Long Stroke	Spherical / With Hex Socket / Long Stroke	Spherical / With Hex Socket / Long Stroke	Spherical / With Hex Socket / Short Stroke
Wrench Hole Shape	Hex	Hex	Hex	Negative	Negative	Hex	Hex	Hex	Hex	Hex
Main Body Surface Treatment	Not Provided	Black Oxide	Not Provided / Black Oxide	Not Provided	Not Provided / Black Oxide / Trivalent Chromate	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide
Tip Surface Treatment	Not Provided	Trivalent Chromate	Not Provided / Black Oxide / Trivalent Chromate	Not Provided	Not Provided / Black Oxide / Electroless Nickel Plating	Trivalent Chromate	Trivalent Chromate	Black Oxide	Black Oxide	Not Provided