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Spring Plungers（Lock：Provided）
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 ...Readmore
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
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- On Sale Till 31/03/2025
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
Standard Price: SGD 5.48- Special Price Days to Ship: Same day or more -
Standard Price: SGD 19.59- Days to Ship: 4 Day(s) or more -
- On Sale Till 31/03/2025
MISUMI
[Features]Spring plunger with a flat tip. Spring material: SWP−B.
- Volume Discount
Standard Price: SGD 6.74- Special Price 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.
Standard Price: SGD 11.56- Days to Ship: 6 Day(s) or more -
Standard Price: SGD 7.20- Days to Ship: 10 Day(s) or more -
NABEYA BI-TECH
Used for oil breakers, knockouts, and positioners. Includes anti-loosening nylon lock.
Standard Price: SGD 18.78- Days to Ship: 4 Day(s) or more -
Standard Price: SGD 8.60- Days to Ship: 10 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 positioning.
· The self-locking feature is effective for up to approx. 20 install/uninstall cycles.
· The rear surfaces are marked for product identification.Standard Price: SGD 11.96- Days to Ship: 8 Day(s) -
Standard Price: SGD 7.80- Days to Ship: 10 Day(s) -
Long Stroke Plungers (Heavy Load) HSP-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 151.65 Days to Ship: 23 Day(s) or more -
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 resistant / high extraction moment / precise positioning.
· The self-locking feature is effective for up to approx. 20 install/uninstall cycles.Standard Price: SGD 25.42- Days to Ship: 6 Day(s) or more -
- On Sale Till 31/03/2025
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.Standard Price: SGD 7.44- Special Price Days to Ship: 8 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 -
Standard Price: SGD 9.47- 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
Standard Price: SGD 9.43- Days to Ship: Same day or more -
- On Sale Till 31/03/2025
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.Standard Price: SGD 7.82- Special Price Days to Ship: 4 Day(s) or more -
- On Sale Till 31/03/2025
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.Standard Price: SGD 4.86- Special Price Days to Ship: 4 Day(s) or more -
Standard Price: SGD 6.98- 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) 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 -
Short Stroke Plungers (Heavy Load) SP-H
KONISHI
This is a heavy duty type of short spring plunger. Compatible wrenches for SP-3-H and SP-4-H are not available.
- CAD ：
- 2D
Standard Price: SGD 9.71- Days to Ship: 4 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
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| Initial Load (Range)(N) |
| Lock |
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| Screw Type of Pin Plunger |
| Wrench Hole Shape |
| Main Body Surface Treatment |
| Tip Surface Treatment |
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| Brand | MISUMI | MISUMI | MISUMI | IMAO CORPORATION | MISUMI | NABEYA BI-TECH | MISUMI | IMAO CORPORATION | MISUMI | KONISHI | IMAO CORPORATION | IMAO CORPORATION | KONISHI | MISUMI | MISUMI | NABEYA BI-TECH | NABEYA BI-TECH | MISUMI | KONISHI | KONISHI | KONISHI | KONISHI |
| Product Series | Short Spring Plunger (with Long Lock) (LSPLL-SUS, LSPL-SUS, LSPLH-SUS) | |||||||||||||||||||||
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| Days to Ship | Same day or more | 4 Day(s) or more | Same day or more | 6 Day(s) or more | 10 Day(s) or more | 4 Day(s) or more | 10 Day(s) | 8 Day(s) | 10 Day(s) | 23 Day(s) or more | 6 Day(s) or more | 8 Day(s) or more | 5 Day(s) or more | 4 Day(s) or more | Same day or more | 4 Day(s) or more | 4 Day(s) or more | 4 Day(s) or more | 5 Day(s) or more | 8 Day(s) or more | 4 Day(s) or more | 5 Day(s) or more |
| Outer Dia. M(mm) | 3 ～ 30 | 10 ～ 16 | 5 ～ 12 | 5 ～ 16 | 5 ～ 16 | 12 ～ 30 | 5 ～ 12 | 4 ～ 16 | 5 ～ 30 | 16 | 5 ～ 16 | 4 ～ 16 | 16 ～ 30 | 10 ～ 16 | 8 ～ 12 | 3 ～ 12 | 4 ～ 16 | 3 ～ 16 | 5 ～ 12 | 10 | 3 ～ 12 | 12 ～ 30 |
| Stroke S(mm) | 1.5 ～ 80 | 10 ～ 30 | 3 ～ 10 | 2.3 ～ 5 | 1.5 ～ 4.5 | 10 ～ 30 | 3 ～ 10 | 1.5 ～ 4.5 | 3 ～ 80 | 40 | 2.3 ～ 5 | 1.5 ～ 4.5 | 10 ～ 30 | 5 ～ 20 | 3 ～ 10 | 1.5 ～ 5 | 1.2 ～ 4.5 | 1.5 ～ 40 | 3 ～ 5 | 8 | 1.5 ～ 5 | 10 ～ 30 |
| Tip Material | Steel / Plastic | Steel | Steel | Steel / Plastic | Steel / Others | Steel | Steel | Stainless Steel | Steel / Others | Steel | Stainless Steel | Steel | Steel | Steel | Steel | Steel / Plastic | Steel | Steel | Steel | Steel | Steel | Steel |
| Body Material | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Stainless Steel | Steel | Steel | Stainless 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 | 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 | 0.01~50 | 0.01~50 / 50.01~100 | 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 / 50.01~100 | 0.01~50 | 0.01~50 | 0.01~50 | 0.01~50 | 0.01~50 | 0.01~50 | 0.01~50 | 0.01~50 | 0.01~50 | 0.01~50 |
| Lock | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided |
| Tip Heat Treatment | Not Provided / Carburized | Carburized | Carburized | Carburized | Not Provided | Hardening | Not Provided | Hardening | Not Provided | Not Provided | Hardening | Carburized | Not Provided | Carburized | Carburized | Not Provided / Hardening | Hardening | Carburized | Not Provided | Not Provided | Not Provided | Not Provided |
| Screw Type of Pin Plunger | Spherical | Spherical | Flat | Spherical | - | Spherical / With Hex Socket / Long Stroke | - | Spherical | - | Spherical / With Hex Socket / Long Stroke | Spherical | Spherical | Spherical / With Hex Socket / Long Stroke | With Hex Nose | With Hex Socket | Spherical / With Hex Socket / Short Stroke | Spherical / With Hex Socket | Flanged | Spherical / With Hex Socket / Short Stroke | Spherical / With Hex Socket / Long Stroke | Spherical / With Hex Socket / Short Stroke | Spherical / With Hex Socket / Long Stroke |
| Wrench Hole Shape | Hex | Hex | Hex | Hex | Hex | Hex | Hex | Negative | Hex | Hex | Hex | Negative | Hex | Hex | Hex | Hex | Hex | Hex | Hex | Hex | Hex | Hex |
| Main Body Surface Treatment | Black Oxide / Electroless Nickel Plating | Black Oxide | Black Oxide | Black Oxide | Black Oxide / Nickel Plating | Black Oxide | Black Oxide | Not Provided | Black Oxide / Electroless Nickel Plating | Black Oxide | Not Provided | Black Oxide | Black Oxide | Black Oxide | Black Oxide | Black Oxide / Electroless Nickel Plating | Black Oxide | Black Oxide | Black Oxide | Black Oxide | Black Oxide | Black Oxide |
| Tip Surface Treatment | Not Provided / Black Oxide / Trivalent Chromate | Electroless Nickel Plating | Trivalent Chromate | Not Provided / Black Oxide / Zinc Plating | Not Provided / Black Oxide / Zinc Plating | Black Oxide / Trivalent Chromate | Electroless Nickel Plating | Not Provided | Not Provided / Black Oxide / Zinc Plating | Black Oxide | Not Provided | Black Oxide / Zinc Plating | Trivalent Chromate | Black Oxide / Trivalent Chromate | Trivalent Chromate | Not Provided / Black Oxide / Trivalent Chromate | Black Oxide / Trivalent Chromate | Black Oxide / Trivalent Chromate | Trivalent Chromate | Black Oxide | Black Oxide | Black Oxide |
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Specification/Dimensions
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Outer Dia. M(mm)
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Stroke S(mm)
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Tip Material
- Steel
- Stainless Steel
- Plastic
- Others
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Body Material
- Steel
- Stainless Steel
- Aluminum
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Mounting Method
- Screw-In
- Press Fit
- Screw Clamp
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Initial Load (Range)(N)
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Lock
- Not Provided
- Provided
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Tip Heat Treatment
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Screw Type of Pin Plunger
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Wrench Hole Shape
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Main Body Surface Treatment
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Tip Surface Treatment
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