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Spring Plungers（Initial Load (Range)：0.01~50 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.

49 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 Screw

MiSUMi Economy

Spring Plungers Steel Screw

MISUMI

Volume Discount

CAD ：: 2D / 3D

Standard Price:	SGD 2.60-
Days to Ship:	9 Day(s)

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


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 Economy	KONISHI	KONISHI	KONISHI
Product Series	Spring Plungers Steel Screw	Short Stroke Plungers (Light Load) SP-S	Long Stroke Plungers (Light Load) LSP-L	Long Stroke Plungers (Light Load) HSP-L
CAD	2D / 3D	2D	2D	2D
Days to Ship	9 Day(s)	5 Day(s) or more	5 Day(s) or more	8 Day(s) or more
Outer Dia. M(mm)	3 ～ 30	5 ～ 12	16 ～ 30	10
Stroke S(mm)	1.5 ～ 80	3 ～ 5	10 ～ 30	8
Tip Material	Steel / Others	Steel	Steel	Steel
Body Material	Steel	Steel	Steel	Steel
Mounting Method	Screw-In	Screw-In	Screw-In	Screw-In
Initial Load (Range)(N)	0.01~50	0.01~50	0.01~50	0.01~50
Lock	Not Provided / Provided	Provided	Provided	Provided
Tip Heat Treatment	Not Provided	Not Provided	Not Provided	Not Provided
Screw Type of Pin Plunger	-	Spherical / With Hex Socket / Short Stroke	Spherical / With Hex Socket / Long Stroke	Spherical / With Hex Socket / Long Stroke
Wrench Hole Shape	Hex	Hex	Hex	Hex
Main Body Surface Treatment	Black Oxide / Electroless Nickel Plating	Black Oxide	Black Oxide	Black Oxide
Tip Surface Treatment	Not Provided / Black Oxide / Zinc Plating	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

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

Wrench Hole Shape
- Negative
- Hex
Clear

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

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

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Spring Plungers（Initial Load (Range)：0.01~50 Page2）

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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