What role does a ball plunger play?

It specifies the stroke of the front ball and can be used for temporary positioning and indexing of workpieces.

What is the anti-loosening treatment of a ball plunger?

It refers to fixation using anaerobic adhesives filled in microcapsules. A ball plunger will fail once it becomes loosened, so it is necessary to use anaerobic adhesives for threads. An ideal anti-loosening effect will be achieved when placed at a temperature above 25℃ for 72 hours.

What is the meaning of max load and min load?

It refers to the load of the spring in the product. The min load represents the initial load value, and the max load represents the load value at the maximum press-in limit.

What is the difference between a ball plunger and a spring plunger?

A ball plunger is headed with a steel ball and its stroke is the displacement of the ball. A spring plunger has a pin-shaped front section and the displacement stroke of the pin is used for such purposes as temporary positioning and indexing of workpieces.

Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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C-BPJF5-20P

type Outer Dia. M Stroke (S) Initial Load Length L Sale Type CAD Days to Ship

Specification/Dimensions

type
- C-BPJF
- C-BPW
- C-BSJF
Clear
Outer Dia. M(mm)
3

4

5

6

8

10

12

16
Clear
Stroke (S)(mm)
0.5

0.8

1

1.2

1.6

2

2.6

3.3
Clear
Initial Load(N)
1

1.5

2

3

4

5

6

7

9

10

12

30
Clear
Length L(mm)
8

10

12

16

20

25
Clear
Sale Type
- 10 pieces/bag
- 20 pieces/bag
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day
Clear

Specify Alterations

Ball Plungers Stainless Steel, Black Zinc Plated【10-20 Pieces Per Package】 (C-BPJF5-20P)

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Volume Discount

Check FAQ of this product (4 items)

Brand :

MiSUMi Economy

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Total Price :

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Days to ship :

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Product Description

- Economy series Ball Plungers Black Zinc Plated
- The series including of C-BPJF (Ultra-Light Load), C-BSJF (Light Load) and C-BPW (Heavy Load).
- Main Body Material: Steel S45C.
- Main Body Material surface treatment: Zinc-Plated (Black)
- Ball Material: Stainless Steel SUS440C
- Ball Hardness: 52HRC.
- Spring Material: Stainless Steel SUS304
- Economy Ball Plunger Mounting Method: Screw (Hex).
- Coarse Thread Size (M): 3, 4, 5, 6, 8, 10 12 and 16.
- Package Quantity: 10 and 20 PCS (Please check before order)
- For MISUMI Economy series ball plungers without painting and coloring.

Economy Black Zinc Plated Ball Plunger (Steel)

Zinc Plated Corrosion Resistant Black

- Available In Various Sizes For Diverse Applications

- Enhanced Corrosion Resistance With Zinc Plating

- Simple Structure With Fixed Stroke For Easy Use

- Suitable For Equipment With High Surface Requirements

- Budget-Friendly Without Compromising Quality

Economy Black Zinc Plated Ball Plunger (Steel)

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

Product Overview of Ball Plungers

·This series products are Economy type Ball Plungers from MISUMI, which are black zinc-plated type with hexagonal coarse threads, manufactured in China, and can be widely used in low and medium precision equipment and tooling and fixtures.
·Ball Plungers, also known as ball point set screws, ball screws, positioning balls, touch balls, steel ball tightening spring screws, etc., can be used for temporary positioning and index adjustment of workpieces, relying on the spring to push out the front ball through a fixed stroke.
·They have better appearance, more stable batch colors and improved corrosion resistance of zinc-plated surface, compared with the previous black oxide coated products.

Product Feature of Ball Plungers

·They have better appearance, more stable batch colors and improved corrosion resistance of zinc-plated surface, compared with the previous black oxide coated products.
·Ball Plungers, A wide variety of specifications is available to accommodate different sizes, lengths and loads.
·With no painting or coloring, they are suitable for more equipment with higher surface requirements.
·As there is no wrench slot on the tip, please use the ball plunger with an Allen wrench.
·The Ball Plungershas a simple structure: the front ball is pushed out through a fixed stroke by the internal spring and it can be released by pressing in the ball against the elastic force.
·Flexible installation: Suitable for linear motion and rotary motion mechanisms with positioning requirements, the plunger can be installed using general threads, which facilitates assembly and disassembly.
·Suitable for fixture indexing, positioning, stop limit and other occasions.
·The stroke can be fine-tuned by screwing-in depth of the screw.

Example Use of Ball Plungers

Example Use of Ball Plungers
MISUMI Ball Plungers, Ball Point Set Screws, Ball Screws, Positioning Balls, Touch Balls, Steel Ball Tightening Spring Screws

MISUMI Ball Plungers, Ball Point Set Screws, Ball Screws, Positioning Balls, Touch Balls, Steel Ball Tightening Spring Screws

Usage Method of Ball Plungers

When installed on a thin plate, the Ball Plungers can be tightened using a nut.
MISUMI Ball Plungers, Ball Point Set Screws, Ball Screws, Positioning Balls, Touch Balls, Steel Ball Tightening Spring Screws

Precautions of Ball Plungers

·As there is no wrench slot on the tip, tighten with a hexagonal wrench through the hexagonal hole on the tail.
·The values of stroke (S), slot size (B) and load are for reference only and not guaranteed.
·Ball Plungers, No anti-loosening treatment.

Related products of Ball Plungers

(Economy series) Stainless Steel Standard Ball Plungers	(Economy series) Stainless Steel Long Ball Plungers	(Economy series) White Zinc-Plated Ball Plungers

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 45; 60

Part Number
C-BPJF5-20P

Part Number	Price	Minimum Order Qty.	Number of pc(s). included in pkg.	Volume Discount	Days to Ship	RoHS	Outer Dia. M (mm)	Stroke (S) (mm)	Initial Load (N)	Max. Load (N)	Length L (mm)	Sale Type
	₹ 1,076.00	1 Pack(s)	20 Pieces Per Package	Available	Same day	10	5	1	2	4	12	20 pieces/bag

Specification Table

Type		Body		Ball		Spring
		Material	Surface Treatment	Material	Hardness	Material
Ultra Light Load	C-BPJF	S45C	Zinc-Plated (Black)	SUS440C	52HRC	SUS304
Light Load	C-BSJF
Heavy Load	C-BPW

Product Drawings

Part Number			d	S	L	B	Ultra Light Load		Light Load		Heavy Load
Type	M (Coarse Thread)	Package Quantity					Load (N)		Load (N)		Load (N)
Type	M (Coarse Thread)	Package Quantity					min.	max.	min.	max.	min.	max.
C-BPJF(Only M4~M12) C-BSJF(Only M3~M10) C-BPW(Only M4~M16)	3	20P	1.5	0.5	8	1.5	-	-	1.5	3	-	-
	4		2.38	0.8	10	2	1	3	2	5	3	20
	5		3	1	12	2.5	2	4	3	10	4	20
	6	10P	3.5	1.2	12	3	3	5	5	15	5	30
	8		5	1.6	16	4	4	7	7	20	6	50
	10		6	2	16	5	5	8	9	25	10	60
	12		8	2.6	20	6	6	10	-	-	12	100
	16		10	3.3	25	8	-	-	-	-	30	110

Basic Information

Mounting Method	Screw (Hex)	Ball Material	SUS440C	Body Material	S45C
Thread Locking Treatment	Not Provided	Main Body Surface Treatment	Galvanized coating (Black)	Pin Surface Treatment	Not Provided
Tip Heat Treatment	Not Provided	Initial Load (Range)(N)	0.01~50

Please check the type/dimensions/specifications of the part C-BPJF5-20P in the Ball Plungers Stainless Steel, Black Zinc Plated series.

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently asked question (FAQ)

Question: What role does a ball plunger play?: Answer: It specifies the stroke of the front ball and can be used for temporary positioning and indexing of workpieces.
Question: What is the anti-loosening treatment of a ball plunger?: Answer: It refers to fixation using anaerobic adhesives filled in microcapsules. A ball plunger will fail once it becomes loosened, so it is necessary to use anaerobic adhesives for threads. An ideal anti-loosening effect will be achieved when placed at a temperature above 25℃ for 72 hours.
Question: What is the meaning of max load and min load?: Answer: It refers to the load of the spring in the product. The min load represents the initial load value, and the max load represents the load value at the maximum press-in limit.
Question: What is the difference between a ball plunger and a spring plunger?: Answer: A ball plunger is headed with a steel ball and its stroke is the displacement of the ball. A spring plunger has a pin-shaped front section and the displacement stroke of the pin is used for such purposes as temporary positioning and indexing of workpieces.

Check other FAQ (1 items) Hide

Product variants

Part Number
C-BPJF10-10P
C-BPJF12-10P
C-BPJF4-20P
C-BPJF6-10P
C-BPJF8-10P
C-BPW10-10P

Standard Unit Price	Number of pc(s). included in pkg.	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Outer Dia. M (mm)	Stroke (S) (mm)	Initial Load (N)	Max. Load (N)	Length L (mm)	Sale Type
₹ 924.00	10 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	10	2	5	8	16	10 pieces/bag
₹ 1,194.00	10 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	12	2.6	6	10	20	10 pieces/bag
₹ 975.00	20 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	4	0.8	1	3	10	20 pieces/bag
₹ 671.00	10 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	6	1.2	3	5	12	10 pieces/bag
₹ 772.00	10 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	8	1.6	4	7	16	10 pieces/bag
₹ 937.00	10 Pieces Per Package	1 Pack(s)	Available	Same day Stock	10	10	2	10	60	16	10 pieces/bag

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