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KONISHI Ball Plungers
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Ball Plungers (Stainless Steel Light Load) BPS-L, (Stainless Steel Heavy Load) BPS-H
KONISHI
All-stainless steel ball plungers, ideal for food machinery/outdoor installation due to its superior anti-rust properties.
- CAD ：
- 2D
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 Screw (Hex) 3 ～ 24 0.5 ～ 5.5 Stainless Steel Stainless Steel Not Provided 0.01~50 / 50.01~100 / 100.01~300 Not Provided Not Provided Not Provided From: ₹ 578.96 Days to Ship: 5 Day(s) or more 
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Ball Plungers (Light Load) BP-L, (Heavy Load) BP-H
KONISHI
The screw contains a spring; the force of the spring can make the ball go in and out. Can be used to calculate, select the position of, and push out jigs. Screw diameters from M3 to M24 available; select the size you need.
- CAD ：
- 2D
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 Screw (Straight Slot) 3 ～ 24 0.5 ～ 5.5 Steel Steel Not Provided 0.01~50 / 50.01~100 / 100.01~300 Not Provided Black Oxide Not Provided From: ₹ 229.25 Days to Ship: 5 Day(s) or more
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KONISHI
[Features]
・ A spring is built in the screw, and the spring force allows the ball to move in and out
・ Thread diameters available from M4 to M16
・ The thread section is thread-locker processed (ALOK)
・ It can be used for indexing, positioning and extrusion of jigs- CAD ：
- 2D
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 Screw (Hex) 4 ～ 16 0.8 ～ 2.5 Stainless Steel Stainless Steel Provided 0.01~50 Not Provided Not Provided Not Provided From: ₹ 728.65 Days to Ship: 5 Day(s) or more
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KONISHI
- Press Fit Plungers PFP
- Part number including type of PFP, PFP-D and PFP-DD
- Press Fit Plungers: Metal Ball and Plastic Ball.
- Main Body Material: Stainless Steel SUS404C and Blue Polyacetal Resin POM
- Ball Material: Stainless Steel SUS305 and Blue Polyacetal Resin POM
- Ball Hardness: 54 to 60 HRC for only metal ball type.
- Spring Material is Stainless Steel SUS631J.
- Mounting Method: Press Fitting
- Coarse Thread Size (M): 4, 5, 6, 8, 10 and 12.
- Press-fit type ball plungers are commonly used in various applications where precise positioning, indexing, or detent functions are required.- CAD ：
- 2D
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 Press Fit 4 ～ 12 0.8 ～ 3.8 Stainless Steel / Plastic Stainless Steel / Plastic Not Provided 0.01~50 Not Provided Not Provided Not Provided From: ₹ 194.29 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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| Outer Dia. M(mm) |
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| 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.  | 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 | KONISHI | KONISHI | KONISHI | KONISHI |
| Product Series | Ball Plungers (Stainless Steel Light Load) BPS-L, (Stainless Steel Heavy Load) BPS-H | |||
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| From | ₹ 578.96- | ₹ 229.25- | ₹ 728.65- | ₹ 194.29- |
| Days to Ship | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more |
| Mounting Method | Screw (Hex) | Screw (Straight Slot) | Screw (Hex) | Press Fit |
| Outer Dia. M(mm) | 3 ～ 24 | 3 ～ 24 | 4 ～ 16 | 4 ～ 12 |
| Stroke S(mm) | 0.5 ～ 5.5 | 0.5 ～ 5.5 | 0.8 ～ 2.5 | 0.8 ～ 3.8 |
| Tip Material | Stainless Steel | Steel | Stainless Steel | Stainless Steel / Plastic |
| Body Material | Stainless Steel | Steel | Stainless Steel | Stainless Steel / Plastic |
| Lock | Not Provided | Not Provided | Provided | Not Provided |
| Initial Load (Range)(N) | 0.01~50 / 50.01~100 / 100.01~300 | 0.01~50 / 50.01~100 / 100.01~300 | 0.01~50 | 0.01~50 |
| Tip Heat Treatment | Not Provided | Not Provided | Not Provided | Not Provided |
| Main Body Surface Treatment | Not Provided | Black Oxide | Not Provided | Not Provided |
| Tip Surface Treatment | Not Provided | Not Provided | Not Provided | Not Provided |
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FAQ Ball Plungers
- Question: What is a ball plunger?
- Answer: A ball plunger is a mechanical device that uses a spring-loaded ball to provide positive contact between two mating surfaces. It is typically used to position, align, and lock components in a wide range of industrial applications. Ball plungers are available in a variety of sizes and configurations, making them suitable for a wide range of applications.
- Question: Why choose MISUMI ball plungers?
- Answer: MISUMI ball plungers are a popular choice for a variety of industrial applications due to their high quality, durability, and reliability. These products are made by leading Asian manufacturers, and we carefully select them as per our customers' requirements. They are also available in a wide range of sizes and configurations to meet the needs of a variety of applications.
- 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 used in 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.
- Question: How does a ball plunger work?
- Answer: A ball plunger consists of a threaded body, a spring, and a ball. The ball is held in place by the spring, which pushes it against the mating surface. When pressure is applied to the ball plunger, the spring compresses and the ball is retracted. This allows the two mating surfaces to move relative to each other. Once the pressure is released, the spring expands, and the ball is pushed back into contact with the mating surface.
- Question: What are the different types of ball plungers?
- Answer:
There are many different types of ball plungers available, each with its own unique features and benefits. Some of the most common types of ball plungers include:
Spring-loaded ball plungers: These are the most common type of ball plunger. They are available in a wide range of sizes and configurations and can be used for a variety of applications.
Heavy-duty ball plungers: These ball plungers are designed to withstand heavy loads and demanding environments. They are typically made from durable materials such as stainless steel or hardened steel.
Precision ball plungers: These ball plungers are designed to provide precise positioning and alignment. They are typically made from high-quality materials and are manufactured to tight tolerances. - Question: What are the benefits of using ball plungers?
- Answer:
Ball plungers offer a number of benefits, including:
Precise positioning and alignment: Ball plungers can be used to achieve precise positioning and alignment of components. This is due to the fact that they provide positive contact between the two mating surfaces.
Secure locking: Ball plungers can also be used to securely lock components in place. This is due to the fact that the spring-loaded ball provides a constant force against the mating surface.
Easy installation and use: Ball plungers are easy to install and use. They are typically threaded into a hole in the workpiece and can be tightened or loosened with a wrench.
Durability: Ball plungers are made from durable materials and can withstand demanding environments. This makes them ideal for use in a wide range of industrial applications. - Question: What are some common applications for ball plungers?
- Answer:
Ball plungers are used in a wide range of industrial applications, including:
Machine tools: Ball plungers are used in machine tools to position and align workpieces.
Molding and casting: Ball plungers are used in molding and casting operations to position and align mold cores and cavities.
Assembly: Ball plungers are used in assembly operations to position and align components during assembly.
Robotics: Ball plungers are used in robotics to position and align grippers and other end-of-arm tools.
Medical devices: Ball plungers are used in medical devices to position and align components such as needles and surgical instruments. - Question: How to install and use a ball plunger?
- Answer:
To install and use a ball plunger, follow these steps:
Thread the ball plunger into a hole in the workpiece.
Tighten the ball plunger until it is snug.
Apply pressure to the ball plunger to position or lock the component in place.
Once the component is in place, release the pressure on the ball plunger. - Question: What to do if ball plunger is not working propery?
- Answer:
If a ball plunger is not working properly, there are a few things you can check:
1. Make sure that the ball plunger is properly installed.
2. Make sure that the ball plunger is not damaged.
3. Make sure that the ball plunger is the correct size for the application.
4. Make sure that the ball plunger is made of the correct material for the environment in which it is being used.
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