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Spring Plungers（Body Material：Steel）
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.
Configure
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
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Body Material
- Steel
- Stainless Steel
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Mounting Method
- Screw-In
- Press Fit
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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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Until 31/03/2025
Until 31/03/2025MISUMI
- Short Spring Plungers - Steel
- Screw Type of Pin Plunger: Short Spring Plunger and Spherical head.
- Body Material: SCM435
- Body Hardness: 29 ~ 35HRC
- Main Body Surface Treatment: Black Oxide and Electroless Nickel Plating.
- Pin Material: Steel S45C and Plastic Polyacetal.
- Pin Surface Treatment (for steel type): Black Oxide and Trivalent Chromate.
- Spring Material: SWP-B.
- The operating Temperature: -30 to 80 ℃
- Mounting Thread size: 3, 4, 5, 6, 8, 10, 12 and 16 mm.
- Mounting Method: Screw-InFrom: ฿ 105.56 Special Price Days to Ship: 
Same day
Same day
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Until 31/03/2025
Until 31/03/2025MISUMI
- Spring Plungers - Steel
- Screw Type of Pin Plunger: Spherical head.
- Body Material: Steel S45C
- Body Hardness: 29 ~ 35HRC
- Main Body Surface Treatment: Black Oxide and Electroless Nickel Plating.
- Pin Material: Steel S45C and Plastic Polyacetal.
- Pin Surface Treatment (for steel type): Black Oxide and Trivalent Chromate.
- Spring Material: SWP-B.
- Mounting Thread size: 3, 4, 5, 6, 8, 10, 12, 16, 20 and 24 mm.
- The operating Temperature: -30 to 80 ℃
- Mounting Method: Screw-InFrom: ฿ 120.12 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Spring Plungers - With Hex Nose
MISUMI
- Spring Plungers - With Hex Nose
- PJLR and PJHR are in the MISUMI product ball plungers.
- Body Material: Steel S45C (Black oxide surface treatment).
- Body Hardness: 29~ 35HRC.
- Pin Material: Steel S45C
- Pin Hardness: 57~ 63HRC. (Carburized)
- Pin surface treatment: Black oxide and Trivalent Chromate.
- Spring Material: SWP-B
- The operating Temperature: -30 to 80 ℃
- Mounting Thread size: 10, 12 and 16 mm.
- Stroke (S): 5, 10, 15 and 20 mm.
- Load Classification: (PJLR) Light Load and (PJHR) Heavy Load.
- Wrench Hole Shape: Hex.From: ฿ 267.00 Days to Ship:
Same day
Same day
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MISUMI
- Spring Plungers - Tapped Tip
- PJLTP and PJHTP are in the MISUMI product ball plungers.
- Screw Type of Pin Plunger: Tapped Tip
- Load Classification: (PJLTP)Light Load and (PJHTP) Heavy Load.
- Body Material: Steel S45C (Black oxide surface treatment).
- Body Hardness: 29~ 35HRC.
- Pin Material: Steel S45C
- Pin Hardness: 57~ 63HRC. (Carburized)
- Pin surface treatment: Black oxide and Electroless Nickel Plating.
- Spring Material: SWP-B
- The operating Temperature: -30 to 80 ℃
- Mounting Thread size: 12, 16 and 20 mm.
- Stroke (S): 15, 20 and 30 mm.From: ฿ 354.90 Days to Ship:
Same day
Same day
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Until 31/03/2025
Until 31/03/2025MISUMI
- Spring Plungers - Flat Tip
- PJLF is the one of MISUMI product ball plungers.
- Body Material: Steel S45C (Black oxide surface treatment).
- Body Hardness: 29~ 35HRC.
- Pin Material: Steel S45C
- Pin Hardness: 57~ 63HRC. (Carburized)
- Pin surface treatment: Trivalent Chromate.
- Spring Material: SWP-B
- The operating Temperature: -30 to 80 ℃
- Mounting Thread size: 5, 6, 8, 10 and 12 mm.
- Stroke (S): 3, 5 and 10 mm.
- Load Classification: Light Load
- Wrench Hole Shape: Hex.From: ฿ 145.60 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
KONISHI
A plunger with a built-in spring in the screw, that permits the ball to enter/exit by the force of the spring.
[Features]
· Thread diameters from M3 to M24 are available.
[Applications]
· Can be used for locating, positioning and pushing out jigs.From: ฿ 239.57 Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025NBK
Used for oil breakers, knockouts, and positioners. Includes anti-loosening nylon lock.From: ฿ 564.83 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Spring Plungers - Body with Hexagon Socket Hole
MISUMI
- Spring Plungers - Body with Hexagon Socket Hole
- PJLH is the one of MISUMI product Spring Plungers.
- Screw Type of Pin Plunger: With Hexagon Socket Hole
- Body Material: Steel S45C (Black oxide surface treatment).
- Body Hardness: 29~ 35HRC.
- Pin Material: Steel S45C
- Pin Hardness: 57~ 63HRC. (Carburized)
- Pin surface treatment: Trivalent Chromate.
- Spring Material: SWP-B
- The operating Temperature: -30 to 80 ℃
- Mounting Thread size: 8, 10 and 12 mm.
- Stroke (S): 3, 5 and 10 mm.
- Load Classification: Light LoadFrom: ฿ 254.80 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Spring Plunger (ZP, PL, PLH, ZN, PLN)
IMAO CORPORATION
The standard in spring plungers.
[Features]
· Available in 3 types of load for different screw diameters (excluding certain diameters). Available in various materials.
· The rear surfaces are marked for product identification.
· Light load: ZN (steel with steel pin), ZP (steel with plastic pin): 1 line.
· Medium load: PL (steel with steel pin), PLN (steel with plastic pin): no lines.
· Heavy load: PLH (steel with steel pin): 2 lines.
· Medium load stainless steel: PL-SUS (stainless steel with stainless steel pin), PLN-SUS (stainless steel with plastic pin): no lines.
· Heavy load stainless steel: PLH (stainless steel with stainless steel pin): 2 lines.
[Applications]
· Positioning the jig replacement, preliminary indexing on indexing disc and ejection of press workpieces.From: ฿ 213.16 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Spring Plunger (with Long Lock) (LPL, LPLN)
IMAO CORPORATION
Thread-locker-type spring plunger.
[Features]
· Resin nose types (LPLN) are also available.
· Available in 3 types of load for different thread diameters (excluding certain types), and in different materials.
· Includes thread-locker function (long lock) that works in up to approximately 20 attachments and detachments.
· The rear surfaces are marked for product identification (LPLL, LPLLNL: 1 line, LPLH: 2 lines).
· LPLNL and LPLN use resin pins.
[Applications]
· For stoppers, indexing and positioning of jigs and mechanical devices.
· Resin pin specification is ideal for soft workpieces.From: ฿ 281.94 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025NBK
[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.From: ฿ 243.66 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025NBK
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.From: ฿ 163.23 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
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.From: ฿ 1,880.52 Days to Ship:
7 Day(s)
7 Day(s)
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You can add up to 6 items per a category to the compare list.
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.From: ฿ 324.15 Days to Ship:
3 Day(s)
3 Day(s)
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Spring Plungers - For Inclined Surface
MISUMI
- Spring Plungers - For Inclined Surface
- Body Material: Steel S45C (Black oxide surface treatment).
- Body Hardness: 29~ 35HRC.
- Pin Material: Steel S45C
- Pin Hardness: 57~ 63HRC. (Carburized)
- Pin surface treatment: Trivalent Chromate.
- Spring Material: SWP-B
- Using Angle: 0 ~ 30°
- The operating Temperature: -30 to 80 ℃
- Mounting Thread size: 10, 12 and 16 mm.
- Stroke (S): 10, 15, 20 and 30 mm.
- Special structure with high abrasion resistance and seizing resistance enables the use on inclines.From: ฿ 646.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025NBK
[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.From: ฿ 248.71 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Short 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.From: ฿ 113.60 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025NABEYA
[Features]This is a plunger suitable for positioning, fixing, pressing and releasing.From: ฿ 111.19 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
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.From: ฿ 549.91 Days to Ship:
4 Day(s)
4 Day(s)
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You can add up to 6 items per a category to the compare list.
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.From: ฿ 260.74 Days to Ship:
4 Day(s)
4 Day(s)
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You can add up to 6 items per a category to the compare list.
MISUMI
- Spring Plungers - Flanged
- FPJL and FPJH are in the MISUMI product Spring Plungers.
- Screw Type of Pin Plunger: Flanged Type
- Load Classification: (FPJL)Light Load and (FPJH) Heavy Load.
- Body Material: Steel S45C (Black oxide surface treatment).
- Body Hardness: 29~ 35HRC.
- Pin Material: Steel S45C
- Pin Hardness: 57~ 63HRC. (Carburized)
- Pin surface treatment: Black oxide and Electroless Nickel Plating.
- Spring Material: SWP-B
- The operating Temperature: -30 to 80 ℃
- Mounting Thread size: 3, 4, 5, 6, 8, 10 and 12 mm.From: ฿ 230.00 Days to Ship:
3 Day(s)
3 Day(s)
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025NBK
Light-load and heavy-load types available in steel and stainless steel.From: ฿ 148.57 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Short Spring Plunger (with Long Lock) (LSPL / LSPL / LSPLH)
IMAO CORPORATION
Self-locking type stroke plunger.
[Features]
· The overall length is short for effective use in confined spaces.
· Includes a loosening prevention function (long lock).
· The loosening prevention function works for up to 20 attachments and detachments.
· The rear surfaces are marked for product identification.
· Heat resistant temperature: 80°C.
· Available in 3 types of load for different screw diameters.
[Applications]
· Use as a stopper, for indexing, for positioning, etc. of jigs and mechanical devices.From: ฿ 200.98 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
NABEYA
Spring plunger most ideal for workpiece positioning.
[Features]
· Heat-resistant up to 250°C.
· Two vertical line marks are provided for strong-pressure type.
· Ideal for positioning, fixing, pressing and pressing to release.
· Surface treatment: (PPA) Main body / pin: black oxide coating. (PPA-J); Main body: black oxide coating; Pin: yellow zinc plating.
[Applications]
· Ideal for positioning of workpieces.From: ฿ 147.34 Days to Ship:
3 Day(s)
3 Day(s)
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You can add up to 6 items per a category to the compare list.
NABEYA
Ideal plunger for positioning, pushing, detaching, etc.
[Features]
· PPC-J has a glossy hex socket head screw.
· Ideal for positioning, fixing, pressing and pressing to release.
· Available in both low heat resistant and high heat resistant types.
[Applications]
· Can be used for workpiece positioning.From: ฿ 182.98 Days to Ship:
3 Day(s)
3 Day(s)
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You can add up to 6 items per a category to the compare list.
KONISHI
The ball moves in and out by the action of the spring built into the screw. Can be used for indexing, positioning and extrusion of jigs. Select the required size from the range of thread diameters M4 to M24.From: ฿ 140.97 Days to Ship:
3 Day(s)
3 Day(s)
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You can add up to 6 items per a category to the compare list.
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.From: ฿ 321.92 Days to Ship:
4 Day(s)
4 Day(s)
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You can add up to 6 items per a category to the compare list.
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.From: ฿ 628.16 Days to Ship:
4 Day(s)
4 Day(s)
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You can add up to 6 items per a category to the compare list.
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.From: ฿ 4,834.29 Days to Ship:
22 Day(s)
22 Day(s)
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You can add up to 6 items per a category to the compare list.
TRUSCO M5 Spring Plunger, Resin Pin
TRUSCO
[Features]
· Spring plunger with hexagon socket and minus slot, consisting of a steel body and resin pin.
[Applications]
· For adjusting pin pressing force by turning the threaded portion of the body. For positioning and fixing.
· Overall length (mm): 18
· Center pin diameter (mm): 2.4
· Heat-resistant temperature: 50 degreesFrom: ฿ 179.00 Days to Ship:
1 Day(s)
1 Day(s)
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| Outer Dia. M(mm) |
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| Initial Load (Range)(N) |
| Lock |
| Tip Heat Treatment |
| Screw Type of Pin Plunger |
| Wrench Hole Shape |
| Main Body Surface Treatment |
| Tip Surface Treatment |
You can add up to 6 items per a category to the compare list.  Until 31/03/2025     | You can add up to 6 items per a category to the compare list.  Until 31/03/2025     | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.    | You can add up to 6 items per a category to the compare list.  Until 31/03/2025   | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025    | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025       | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | KONISHI | NBK | MISUMI | IMAO CORPORATION | IMAO CORPORATION | NBK | NBK | KONISHI | KONISHI | MISUMI | NBK | IMAO CORPORATION | NABEYA | KONISHI | KONISHI | MISUMI | NBK | IMAO CORPORATION | NABEYA | NABEYA | KONISHI | KONISHI | KONISHI | KONISHI | TRUSCO |
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| From | ฿ 105.56 Special Price On Sale Until 31/03/2025 | ฿ 120.12 Special Price On Sale Until 31/03/2025 | ฿ 267.00 | ฿ 354.90 | ฿ 145.60 Special Price On Sale Until 31/03/2025 | ฿ 239.57 | ฿ 564.83 Special Price On Sale Until 31/03/2025 | ฿ 254.80 Special Price On Sale Until 31/03/2025 | ฿ 213.16 Special Price On Sale Until 31/03/2025 | ฿ 281.94 Special Price On Sale Until 31/03/2025 | ฿ 243.66 Special Price On Sale Until 31/03/2025 | ฿ 163.23 Special Price On Sale Until 31/03/2025 | ฿ 1,880.52 | ฿ 324.15 | ฿ 646.00 Special Price On Sale Until 31/03/2025 | ฿ 248.71 Special Price On Sale Until 31/03/2025 | ฿ 113.60 Special Price On Sale Until 31/03/2025 | ฿ 111.19 Special Price On Sale Until 31/03/2025 | ฿ 549.91 | ฿ 260.74 | ฿ 230.00 | ฿ 148.57 Special Price On Sale Until 31/03/2025 | ฿ 200.98 | ฿ 147.34 | ฿ 182.98 | ฿ 140.97 | ฿ 321.92 | ฿ 628.16 | ฿ 4,834.29 | ฿ 179.00 |
| Days to Ship | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | 7 Day(s) | 3 Day(s) | Same day | Same day | Same day | Same day | 4 Day(s) | 4 Day(s) | 3 Day(s) | Same day | 5 Day(s) | 3 Day(s) | 3 Day(s) | 3 Day(s) | 4 Day(s) | 4 Day(s) | 22 Day(s) | 1 Day(s) |
| Outer Dia. M(mm) | 3 ～ 16 | 3 ～ 30 | 10 ～ 16 | 12 ～ 20 | 5 ～ 12 | 3 ～ 24 | 12 ～ 30 | 8 ～ 12 | 3 ～ 24 | 5 ～ 16 | 3 ～ 24 | 4 ～ 16 | 10 | 3 ～ 12 | 10 ～ 16 | 3 ～ 12 | 4 ～ 20 | 4 ～ 12 | 12 ～ 30 | 4 ～ 16 | 3 ～ 16 | 4 ～ 24 | 4 ～ 16 | 6 ～ 12 | 3 ～ 12 | 4 ～ 24 | 5 ～ 12 | 16 ～ 30 | 16 | 5 |
| Stroke S(mm) | 1 ～ 4.5 | 1.5 ～ 80 | 5 ～ 20 | 15 ～ 30 | 3 ～ 10 | 1 ～ 10 | 10 ～ 30 | 3 ～ 10 | 1.5 ～ 10 | 2.3 ～ 5 | 1 ～ 10 | 1.2 ～ 4.5 | 8 | 1.5 ～ 5 | 10 ～ 30 | 1.5 ～ 5 | 1.5 ～ 6.5 | 1.5 ～ 3.5 | 10 ～ 30 | 1.5 ～ 5 | 1.5 ～ 40 | 1.5 ～ 8 | 1.5 ～ 4.5 | 2 ～ 3.5 | 1 ～ 4 | 1.5 ～ 8 | 3 ～ 5 | 10 ～ 30 | 40 | 2.3 |
| Tip Material | Steel / Plastic | Steel / Plastic | Steel | Steel | Steel | Steel | Steel | Steel | Steel / Plastic | Steel / Plastic | Steel / Plastic | Steel | Steel | Steel | Steel | Steel / Plastic | Steel | Steel | Steel | Plastic | Steel | Steel | Steel | Steel | Steel / Plastic | Steel | Steel | Steel | Steel | Plastic |
| Body Material | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | 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 | 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 / 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 / 50.01~100 | 0.01~50 / 50.01~100 | 0.01~50 / 50.01~100 | 0.01~50 | 0.01~50 | 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 / 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 | 0.01~50 | 0.01~50 |
| Lock | Not Provided | Not Provided / Provided | Provided | Not Provided | Provided | Not Provided | Provided | Provided | Not Provided | Provided | Not Provided | Provided | Provided | Provided | Provided | Provided | Not Provided | Not Provided | Provided | Not Provided | Provided | Not Provided | Provided | Not Provided | Not Provided | Not Provided | Provided | Provided | Provided | Not Provided |
| Tip Heat Treatment | Not Provided / Carburized | Not Provided / Carburized | Carburized | Carburized | Carburized | Not Provided | Hardening | Carburized | Carburized | Carburized | Not Provided / Hardening | Hardening | Not Provided | Not Provided | Carburized | Not Provided / Hardening | Carburized | Carburized | Not Provided | Not Provided | Carburized | Hardening | Carburized | Carburized | Not Provided / Carburized | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided |
| Screw Type of Pin Plunger | Short Stroke | Spherical | With Hex Nose | Tapped Tip | Flat | Spherical / With Hex Socket / Short Stroke | Spherical / With Hex Socket / Long Stroke | With Hex Socket | Spherical | Spherical | Spherical / With Hex Socket | Spherical / With Hex Socket | Spherical / With Hex Socket / Long Stroke | Spherical / With Hex Socket / Short Stroke | Spherical | Spherical / With Hex Socket / Short Stroke | Spherical | Spherical | Spherical / With Hex Socket / Long Stroke | Spherical / With Hex Socket / Short Stroke | Flanged | Spherical | Spherical | With Hex Socket | With Hex Socket | Spherical / Short Stroke | 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 | Hex | Hex | Hex | Hex | Hex | Hex | Hex | Hex | Hex | Hex | Hex | Hex | Negative | Negative | Hex | Hex | Hex | Negative | Negative | Hex | Hex | Negative | Hex | Hex | Hex | Hex |
| Main Body Surface Treatment | Black Oxide / Electroless Nickel Plating | Black Oxide / Electroless Nickel Plating | Black Oxide | Electroless Nickel Plating | Black Oxide | Black Oxide | Black Oxide | Black Oxide | Black Oxide | Black Oxide | Black Oxide | 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 | Black Oxide | Black Oxide | Black Oxide | Black Oxide | Black Oxide | Black Oxide | Black Oxide | Black Oxide |
| Tip Surface Treatment | Not Provided / Black Oxide / Trivalent Chromate | Not Provided / Black Oxide / Trivalent Chromate | Black Oxide / Trivalent Chromate | Black Oxide / Electroless Nickel Plating | Trivalent Chromate | Black Oxide | Black Oxide / Trivalent Chromate | Trivalent Chromate | Not Provided / Black Oxide | Not Provided / Black Oxide / Zinc Plating | Not Provided / Black Oxide | Black Oxide / Trivalent Chromate | Black Oxide | Black Oxide | Electroless Nickel Plating | Not Provided / Black Oxide / Trivalent Chromate | Black Oxide / Zinc Plating | Black Oxide / Electroless Nickel Plating | Black Oxide | Not Provided | Black Oxide / Trivalent Chromate | Black Oxide / Trivalent Chromate | Black Oxide / Zinc Plating | Black Oxide / Electroless Nickel Plating | Not Provided / Black Oxide | Black Oxide | Trivalent Chromate | Trivalent Chromate | Black Oxide | Not Provided |
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Related Categories to Spring Plungers
FAQ Spring Plungers
- Question: How do spring plungers contribute to the efficiency of injection molding processes?
- Answer: Spring plungers boost injection molding efficiency by securely holding mold components, ensuring precise alignment for consistent results. During setup, they allow quick and effortless adjustment, reducing downtime. Their spring-loaded design maintains component position while enabling easy repositioning, simplifying the process. By streamlining setup and operation, spring plungers enhance productivity in injection molding, benefiting manufacturers by saving time and improving overall efficiency.
- Question: What is the importance of ball plungers in automation?
- Answer: Ball plungers are important in automation because they help things get in the right spot and stay there. Even though they're small, they're super good at making sure parts are in the exact place they need to be. They're used in tools and fixtures to keep stuff secure and move it exactly where it needs to go on the assembly line. Ball plungers are great because they make sure everything runs smoothly and works well, making factories more efficient and products better.
- Question: How is stainless steel utilized in plunger design?
- Answer: Stainless steel is often picked for plungers because it's good at resisting rust and staying strong, even when it's used a lot. It's durable and reliable, which means it lasts a long time without getting damaged, even in tough conditions or when exposed to chemicals that could corrode other materials. That's why it's commonly used in plungers for things like machines in factories, cars, and precision tools, where performance and low maintenance are essential.
- Question: What role do locating, positioning, jigs & fixtures play in plunger technology?
- Answer: Locating, positioning, jigs, and fixtures are super important in plunger technology. Locating mechanisms make sure plungers and workpieces are in the right spot for machining or assembly, reducing mistakes. Positioning devices control how plungers move, so they go exactly where they're supposed to. Jigs and fixtures hold everything in place securely during machining or assembly, which helps prevent errors and makes things work faster and better. Overall, these parts work together to make plunger technology work smoothly and produce high-quality results.
- Question: What are the characteristics of spring plungers with flat tip?
- Answer: Spring plungers with flat tips are versatile tools designed for precise positioning and secure holding of components. Their flat tip ensures even pressure distribution, minimizing the risk of damage to surfaces. These plungers provide strong retention force, securely holding components in place. Some models allow for adjusting the spring tension to customize the holding force. Made from durable materials like steel or stainless steel, they offer longevity and resistance to wear. They are easy to install and replace, making setup and maintenance hassle-free.
- Question: What are the key considerations when selecting materials for plungers?
- Answer: When selecting materials for plungers, consider their strength, durability, and corrosion resistance. Ensure they can withstand operational forces without wearing out quickly. Check if they're resistant to rust and can handle the temperatures they'll encounter. Also, factor in the cost and ease of manufacturing. By evaluating these factors, you can choose materials that meet the needs of your application, providing long-lasting performance without breaking the bank. Ultimately, selecting the right materials ensures reliable and efficient operation of plungers in various industrial settings.
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