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Ball Plungers（Lock：Provided）
Ball Plungers are the essential components for precise positioning and secure alignment in a wide range of industrial applications.Ball Plungers are designed with a threaded body and a spring-loaded ball, making them ideal for fixtures, jigs, and machinery that require accurate indexing and locating. These compact devices ensure positive contact with mating surfaces, preventing unwanted movement, and providing stability.With their smooth operation and reliable performance, our Ball Plungers are perfect for applications such as positioning pins, detents, indexing mechanisms, and mechanical stops. They offer exceptional convenience and flexibility in achieving precise alignment and positioning.Crafted from durable materials, our Ball Plungers are built to withstand demanding environments and ensure long-lasting performance. Available in various sizes and configurations, they can be easily integrated into your existing equipment.Upgrade your manufacturing processes with our high-quality Ball Plungers to enhance productivity, improve accuracy, and achieve precise positioning. Experience the reliability and versatility of our Ball Plungers today and take your industrial applications to new heights.
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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 / Ceramics
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Body Material
- Steel
- Stainless Steel
- Plastic
- Others
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Lock
- Not Provided
- Provided
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Initial Load (Range)(N)
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Tip Heat Treatment
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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
- Ball Plungers-Standard Type
- Part number are series: PBF, PBF-KN, PBF-KS and PBF-KSN.
- Ball Plungers type: Metal ball and Plastic ball.
- Body Material: SCM35, Stainless Steel SUS304 Equivalent and steel S45C
- Body surface treatment: Black Oxide and Electroless Nickel Plating.
- Body hardness: 29~35HRC
- Ball Material: SUJ2 high chromium tool steel and Polyacetal.
- Ball Hardness: 55HRC.
- Spring Material: SWP-B.
- Spacer Material: Stainless Steel SUS304.
- Fine Thread Size (M): 2, 3, 4, 5, 6, 8, 10 12 and 16.
- Operating temperature: -30 to 80°C.From: ฿ 123.76 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
- Mini Ball Plunger PNBF series.
- Miniature Ball Plungers Main Body Material: Steel SUM22L and Stainless Steel SUS303.
- Main Body Material surface treatment: Black Oxide Coating for PBSF.
- Ball Material: Steel SUJ2 and Stainless Steel SUS404C.
- Ball Heat Treatment: Hardening for steel type materials.
- Spring Material: Stainless Steel SUS631.
- Miniature Ball Plungers Coarse Thread Size (M): 3, 4, 5, 6, 8, 10, 12, 16, 20 and 24.
- Initial Load (Range): 0.01~50 N and 50.01-100 N.
- PBSH Ball Plungers Mounting Method: Screw (hexagon)From: ฿ 216.31 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 31/03/2025Miniature Ball Plungers, FP/MP/MPS
NBK
A mini ball plunger that rotates the ball smoothly.
[Features]
·Insert a spacer between the ball and the spring (excluding M2 and M3).
·The ball spins.
·FP: Light duty, MP: Heavy duty, MPS: Heavy duty, MPS-Z: Extreme heavy duty.
·MPS and MPS-Z are all made of stainless steel.
·Has excellent corrosion resistance and heat resistance.
·FP and MP have nylon lock to prevent loosening (excluding M2, M3 and M4).
·MPS uses anti-loosening service.
·There is a mini ball plunger EBF with a built-in contact switch.
[Applications]
·For positioning the workpiece, for positioning the mold, for extruding the workpiece.From: ฿ 188.57 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.
Until 31/03/2025
Until 31/03/2025Ball Plunger (with Long Lock) (LBST, LBSTH)
IMAO CORPORATION
A self-locking type ball plunger.
[Features]
· The long lock is a loosening prevention function.
· The rear surfaces are marked for product identification.
· LBSTH: 2 lines.
· Includes a loosening prevention function (long lock). Heat resistant temperature: 80°C.
· Resistant to vibration. The moment of removal is high.
· Capable of precise positioning. The loosening prevention function works for up to 20 attachments and detachments.
[Applications]
· Positioning of levers and knobs.
· Positioning of workpieces and jigs, pillar stopper.From: ฿ 162.98 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 ball plunger with a built-in spring in the thread, that permits the ball to enter or exit by the force of the spring.
[Features]
· Thread diameters from M3 to M24 are available.
· Has a thread-locker (ALOK) in the thread section.
[Applications]
· Can be used for locating, positioning and pushing out jigs.From: ฿ 332.52 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 31/03/2025Hex Socket Ball Plunger (with Long Lock) (LBSU, LBSUH)
IMAO CORPORATION
A self-locking type stainless steel ball plunger with a hex socket specification.
[Features]
· Includes a loosening prevention function (long lock).
· Made from stainless steel, this product is optimal for places requiring rust-proofing and clean environments.
· Can be mounted using a hex wrench.
· Available in 2 types of load (light load: no lines, heavy load: 2 lines), for different screw diameters.
· Heat resistant temperature: 80°C.
[Applications]
· Positioning of levers and knobs, positioning of workpieces and jigs.
· Pillar stopper.From: ฿ 297.83 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 31/03/2025Hex Socket Ball Plunger (with Long Lock) (LBST, LBSTH)
IMAO CORPORATION
A self-locking type ball plunger with a hex socket specification.
[Features]
· Includes a loosening prevention function (long lock).
· Can be mounted using a hex wrench.
· Available in 2 types of load (light load: no lines, heavy load: 2 lines), for different screw diameters.
· Capable of precise positioning, with vibration resistance and a high moment of removal.
· The loosening prevention function (long lock) works for up to 20 attachments and detachments.
· Heat resistant temperature: 80°C.
[Applications]
· Positioning of levers, knobs, workpieces and jigs. Can also be used as a pillar stopper.From: ฿ 147.59 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.
Ball Plunger (with Long Lock) (LBSU, LBSUH)
IMAO CORPORATION
A self-locking type all stainless steel ball plunger.
[Features]
· 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. LBSUH type: 2 lines.
[Applications]
· Use as a stopper, for indexing, for positioning, etc. of jigs and mechanical devices.
· Made from stainless steel, this product is optimal for places requiring rust-proofing and clean environments.From: ฿ 343.38 Days to Ship:
5 Day(s)
5 Day(s)
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| CAD |
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| Days to Ship |
| Mounting Method |
| Outer Dia. M(mm) |
| Stroke S(mm) |
| Tip Material |
| Body Material |
| Lock |
| Initial Load (Range)(N) |
| Tip Heat Treatment |
| 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.  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.  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.  | |
| Brand | MISUMI | NBK | NBK | IMAO CORPORATION | KONISHI | IMAO CORPORATION | IMAO CORPORATION | IMAO CORPORATION |
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| From | ฿ 123.76 Special Price On Sale Until 31/03/2025 | ฿ 216.31 Special Price On Sale Until 31/03/2025 | ฿ 188.57 Special Price On Sale Until 31/03/2025 | ฿ 162.98 Special Price On Sale Until 31/03/2025 | ฿ 332.52 | ฿ 297.83 Special Price On Sale Until 31/03/2025 | ฿ 147.59 Special Price On Sale Until 31/03/2025 | ฿ 343.38 |
| Days to Ship | Same day | Same day | Same day | Same day | 3 Day(s) | Same day | Same day | 5 Day(s) |
| Mounting Method | Screw (Hex) | Screw (Hex) | Screw (Hex) | Screw (Straight Slot) | Screw (Hex) | Screw (Hex) | Screw (Hex) | Screw (Straight Slot) |
| Outer Dia. M(mm) | 5 ～ 16 | 3 ～ 16 | 3 ～ 16 | 3 ～ 16 | 4 ～ 16 | 3 ～ 16 | 3 ～ 16 | 3 ～ 16 |
| Stroke S(mm) | 0.8 ～ 2.5 | 0.4 ～ 3.5 | 0.5 ～ 2.5 | 0.5 ～ 3.5 | 0.8 ～ 2.5 | 0.5 ～ 3.5 | 0.5 ～ 3.5 | 0.5 ～ 3.5 |
| Tip Material | Steel / Plastic | Steel / Stainless Steel | Steel | Steel | Stainless Steel | Stainless Steel | Steel | Stainless Steel |
| Body Material | Steel / Stainless Steel | Steel / Stainless Steel | Steel / Stainless Steel | Steel | Stainless Steel | Stainless Steel | Steel | Stainless Steel |
| Lock | Provided | Provided | Provided | Provided | Provided | Provided | Provided | Provided |
| Initial Load (Range)(N) | 0.01~50 | 0.01~50 / 50.01~100 | 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 / 50.01~100 |
| Tip Heat Treatment | Not Provided / Hardening | Hardening | Hardening | Hardening | Not Provided | Hardening | Hardening | Hardening |
| Main Body Surface Treatment | Not Provided / Black Oxide / Nickel Plating | Not Provided / Black Oxide | Not Provided / Black Oxide | Black Oxide | Not Provided | Not Provided | Black Oxide | Not Provided |
| Tip Surface Treatment | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided |
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Related Categories to Ball Plungers
FAQ Ball Plungers
- Question: What are ball plungers used for?
- Answer: Ball plungers are tiny tools used in different areas to help with precise positioning or locking. They have a spring-loaded ball inside a housing. When the ball is pressed, it extends, and when released, it retracts. They are commonly found in industries like manufacturing and electronics. They are useful for tasks such as aligning parts, holding them in place, or creating a detent mechanism for secure positioning.
- Question: What material is ball plunger?
- Answer: Ball plungers are usually made from different materials depending on their specific use. The most common materials are stainless steel, hardened steel, brass, and plastic. Stainless steel is resistant to rust and very strong. Hardened steel is tough and can withstand wear and tear. Brass is used when electrical conductivity is important. Plastic ball plungers are lightweight and used for less demanding tasks. The material choice depends on factors like strength, durability, and the purpose of the ball plunger.
- Question: What is the standard size of a ball plunger?
- Answer: The standard size of a ball plunger can vary depending on the manufacturer and application. However, they generally come in different diameters and lengths. Common diameters range from 3mm to 20mm, while lengths can range from 10mm to 50mm or more. These sizes are widely used, but it's important to note that specific industries or applications may have their own standard sizes based on their requirements.
- Question: How much pressure does a plunger create?
- Answer: The amount of pressure a plunger creates depends on various factors, including its design, size, and the force applied to it. Plungers typically generate pressure by compressing air or liquid trapped within a confined space. The specific pressure created can vary significantly. In household use, a plunger can create enough pressure to unclog a drain. However, in industrial applications, specialized plungers can generate much higher pressures to perform tasks such as hydraulic or pneumatic actuation.
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