What are ball plungers used for?

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.

What material is ball plunger?

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.

What is the standard size of a ball plunger?

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.

How much pressure does a plunger create?

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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KONISHI Ball Plungers

Ball Plungers products in the Automation Components category from KONISHI. The product can be selected based on many product specifications such as Mounting Method, Outer Dia. M, Stroke S, Tip Material, Body Material. KONISHI offers products around 4 items and the product specifications can easily be compared. Search and select detailed specifications of parts for your machine with free CAD downloads. KONISHI products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

Configure

Specification/Dimensions

Outer Dia. M(mm)
2

3

3.5

4

4.5

5

5.5

6

7

8

9

10

12

13

15

16

20

24
Drawing

Clear

Stroke S(mm)
0.2

0.3

0.4

0.5

0.6

0.65

0.7

0.8

0.9

0.95

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2

2.1

2.3

2.4

2.5

2.6

2.7

2.8

3.1

3.2

3.3

3.5

3.8

4

4.5

5.2

5.5

6.6
Drawing

Clear

Tip Material
- Steel
- Stainless Steel
- Plastic
- Others / Ceramics
Clear

Body Material
- Steel
- Stainless Steel
- Plastic
- Others
Clear

Lock
- Not Provided
- Provided
Clear

Initial Load (Range)(N)
- 0
- 0.01~50
- 50.01~100
- 100.01~300
Clear

Tip Heat Treatment
- Not Provided
- Hardening
- Carburized
Clear

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

Tip Surface Treatment
- Not Provided
Clear

Mounting Method	Screw (Hex) Screw (Straight Slot) Screw (Cap) Flanged Press Fit
Brand	(24) (7) IMAO CORPORATION (16) KONISHI (4) NABEYA (4) NBK (8)
Filter By	All Sale Items
CAD	2D 3D
Days to Ship	All Same day 1 Day(s) or Less 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less Others

4 items

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Press Fit Plungers PFP

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.

From: ฿ 98.58
Days to Ship: 3 Day(s)

3 Day(s)

Compare

Ball Plungers (Light Load) BP-L, (Heavy Load) BP-H

Until 31/03/2025

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.

From: ฿ 86.31
Special Price
Days to Ship: Same day

Same day

Compare

Ball Plungers (Stainless Steel Light Load) BPS-L, (Stainless Steel Heavy Load) BPS-H

Until 31/03/2025

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.

From: ฿ 240.74
Special Price
Days to Ship: Same day

Same day

Compare

Ball Plunger BP

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)


Brand
Product Series
CAD
From
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.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare
Brand	KONISHI	KONISHI	KONISHI	KONISHI
Product Series	Press Fit Plungers PFP	Ball Plungers (Light Load) BP-L, (Heavy Load) BP-H	Ball Plungers (Stainless Steel Light Load) BPS-L, (Stainless Steel Heavy Load) BPS-H	Ball Plunger BP
CAD	2D	2D	2D	2D
From	฿ 98.58	฿ 86.31 Special Price On Sale Until 31/03/2025	฿ 240.74 Special Price On Sale Until 31/03/2025	฿ 332.52
Days to Ship	3 Day(s)	Same day	Same day	3 Day(s)
Mounting Method	Press Fit	Screw (Straight Slot)	Screw (Hex)	Screw (Hex)
Outer Dia. M(mm)	4 ～ 12	3 ～ 24	3 ～ 24	4 ～ 16
Stroke S(mm)	0.8 ～ 3.8	0.5 ～ 5.5	0.5 ～ 5.5	0.8 ～ 2.5
Tip Material	Stainless Steel / Plastic	Steel	Stainless Steel	Stainless Steel
Body Material	Stainless Steel / Plastic	Steel	Stainless Steel	Stainless Steel
Lock	Not Provided	Not Provided	Not Provided	Provided
Initial Load (Range)(N)	0.01~50	0.01~50 / 50.01~100 / 100.01~300	0.01~50 / 50.01~100 / 100.01~300	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 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.