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Ball Plungers Stainless Steel, SUS Ball/POM Ball【10-20 Pieces Per Package】

Ball Plungers Stainless Steel, SUS Ball/POM Ball

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  • Economy
  • Volume Discount

- Economy series Ball Plungers Stainless Steel, SUS Ball/POM Ball.
- The series including of C-BMS, C-BSX, C-BSM C-NBSM and C-NBSX
- Main Body Material: Stainless Steel SUS304.
- Ball Material: Stainless Steel SUS304 and POM.
- Spring Material: Stainless Steel SUS304.
- Economy Ball Plunger Mounting Method: Screw (Hex).
- Coarse Thread Size (M): 2, 3, 4, 5, 6, 8, 10 12 and 16.
- Ball Plungers suitable for medical, electronic, and other equipment with high surface requirements.
- For MISUMI Economy series ball plungers without painting and coloring.

  • RoHS

Economy Ball Plungers (Stainless Steel, SUS Ball/POM Ball)

Ball PlungersStainless SteelHigh Quality

- Wide Range Of Specifications For Different Needs

- High-Quality Stainless Steel Material

- Suitable For High Surface Requirement Equipment

- Simple Structure With Fixed Stroke

- Cost-Effective With Flexible Installation Options

Economy Ball Plungers (Stainless Steel, SUS Ball/POM Ball)
MISUMI Economy Logo

MISUMI Standard
MISUMI Standard

Cheaper Price
Cheaper Price

Product Variety
Product Variety

3D CAD
3D CAD Support

Product Overview
· This series of products are MISUMI Economy series Ball Plungers, made of stainless steel with standard internal hex coarse thread, produced domestically in China. It can be widely used in equipment and jigs with medium to low precision requirements.
· Ball Plungers, also known as detent screws, ball catch screws, positioning balls, spring-loaded balls, or steel ball set screws, rely on a spring to push out the front ball through a fixed stroke. They can be used for temporary positioning of workpieces, indexing adjustments, and more.
Dimensional Drawing
Dimensional Drawing

Product upgrade in progress: the hex socket is being deepened for easier disassembly. Products are shipped randomly. Both pre-upgrade and post-upgrade products are of good quality. Please be aware.
Material Specifications
TypeBodyBallSpring
Material MaterialHardness Material
Stainless Steel Ball TypeUltra Light LoadC-BMSSUS304SUS304SUS304
Light LoadC-BSM
Heavy LoadC-BSX
E-LBSZFSUS440C55 HRC or more
Resin Ball TypeUltra Light LoadE-LNBSSSUS304POMSUS304
Light LoadC-NBSM
Heavy LoadC-NBSX
E-LNBSZ
Specification Table
TypedSLBUltra Light Load
(Stainless Steel Ball only)
Light LoadHeavy Load
TypeOuter Diameter M
(Coarse Thread)

Package Quantity
Stainless Steel BallResin BallLoad (N)Load (N)Load (N)
Ultra Light Load · Heavy LoadLight Loadmin.max.min.max.min.max.
C-BMS
(Stainless Steel Ball Type · Ultra Light Load)
C-BSM
(Stainless Steel Ball Type · Light Load)
C-BSX
(Stainless Steel Ball Type · Heavy Load)
C-NBSM
(Resin Ball Type · Light Load)
C-NBSX
(Resin Ball Type · Heavy Load)
320P10P1.50.5821.51.5325
42.380.810321325520
5311232.524310520
610P3.51.2124.53355151030
851.61.7165.54477201550
10622.1559252060
1282.62.8205.56103025100
16103.33.52588155040120
C-BMS Stainless Steel Ball, Ultra Light Load is limited to outer diameters of M4 to M8
 
Type
Package Quantity
dSLBUltra Light LoadHeavy Load
TypeOuter Diameter M
(Coarse Thread)
Load (N)Load (N)
min.max.min.max.
(Metal Ball)
E-LBSZF

(Resin Ball)
E-LNBSS
E-LNBSZ
*310P1.50.4711.51.53
42.380.891.520.52410
531.11232.513520
63.51.213431.551030
851.716542.561240
1062.21655381850
1282.720664102060
165P103.7258861530100
*When M is 3, only E-LBSZF can be specified.
Product Features
· Compared to previous imported products, this series is manufactured domestically in China, resulting in significantly reduced costs. The unit price for bagged sales is even lower, with an average price reduction of 75%.
· Complete range of specifications to meet various size, length, and load requirements.
· Made entirely of stainless steel, with no painting or coating, making it suitable for equipment with higher surface requirements.
· No wrench slot at the front end; please use with a hex wrench.
· Simple ball plunger structure: the tip ball is pushed out by an internal spring for a fixed stroke, and can be released by overcoming the spring force and pressing in the ball.
· Flexible installation: Suitable for linear and rotary motion mechanisms that require positioning; can be installed with standard threads for easy assembly and disassembly.
· Applicable to various scenarios such as indexing, positioning, and stop limiting of fixtures.
· The stroke can be finely adjusted by changing the screw-in depth.
MISUMI ball plunger, ball screw, positioning ball, contact ball, steel ball, set spring screw
■ Differences between MISUMI Economy Ball Plungers and MISUMI Standard Products
· Except for the zinc-plated type, the body, ball, and spring of the MISUMI economy ball plunger are all made of high-quality stainless steel, with no painting or coloring, making them suitable for equipment with high surface requirements such as medical and electronics.
MISUMI ball plunger, ball screw, positioning ball, contact ball, steel ball, set spring screw
Usage Method
MISUMI ball plunger, ball screw, positioning ball, contact ball, steel ball, set spring screw
Precautions
· No wrench slot at the front end; tightening is done using a hex wrench through the hex hole at the rear
· Stroke (S), groove size (B), and load are all reference values and not guaranteed values
· No anti-loosening treatment applied
Example of Use
When installing on thin plates, fastening can be achieved with a nut.
MISUMI ball plunger, ball screw, positioning ball, contact ball, steel ball, set spring screw
Related Products

Part Number 

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Part Number
C-BMS4-20P
C-BMS5-20P
C-BMS6-10P
C-BMS8-10P
C-BSM3-10P
C-BSM4-10P
C-BSM5-10P
C-BSM6-10P
C-BSM8-10P
C-BSM10-10P
C-BSM12-10P
C-BSM16-10P
C-BSX3-20P
C-BSX4-20P
C-BSX5-20P
C-BSX6-10P
C-BSX8-10P
C-BSX10-10P
C-BSX12-10P
C-NBSM3-10P
C-NBSM4-10P
C-NBSM5-10P
C-NBSM6-10P
C-NBSM8-10P
C-NBSM10-10P
C-NBSM12-10P
C-NBSM16-10P
C-NBSX3-20P
C-NBSX4-20P
C-NBSX5-20P
C-NBSX6-10P
C-NBSX8-10P
C-NBSX10-10P
C-NBSX12-10P
C-NBSX16-10P
Part NumberStandard Unit PriceNumber of pc(s). included in pkg.Minimum order quantityVolume DiscountDays to ShipOuter Dia. M
(mm)
Stroke (S)
(mm)
Ball Material Initial Load
(N)
Max. Load
(N)
Length L
(mm)
Sale Type Load Type

MYR 30.93

20 Pieces Per Package

1 Pack(s)Available 1 Day(s) 40.8[Stainless Steel] Stainless Steel131020 pieces/bagUltra Light Load

MYR 36.16

20 Pieces Per Package

1 Pack(s)Available 1 Day(s) 51[Stainless Steel] Stainless Steel241220 pieces/bagUltra Light Load

MYR 22.19

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 61.2[Stainless Steel] Stainless Steel351210 pieces/bagUltra Light Load

MYR 25.67

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 81.6[Stainless Steel] Stainless Steel471610 pieces/bagUltra Light Load

MYR 15.46

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 30.5[Stainless Steel] Stainless Steel1.53810 pieces/bagLight Load

MYR 15.46

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 40.8[Stainless Steel] Stainless Steel251010 pieces/bagLight Load

MYR 18.67

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 51[Stainless Steel] Stainless Steel3101210 pieces/bagLight Load

MYR 22.19

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 61.2[Stainless Steel] Stainless Steel5151210 pieces/bagLight Load

MYR 25.67

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 81.6[Stainless Steel] Stainless Steel7201610 pieces/bagLight Load

MYR 30.93

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 102[Stainless Steel] Stainless Steel9251610 pieces/bagLight Load

MYR 39.68

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 122.6[Stainless Steel] Stainless Steel10302010 pieces/bagLight Load

MYR 88.56

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 163.3[Stainless Steel] Stainless Steel15502510 pieces/bagLight Load

MYR 30.93

20 Pieces Per Package

1 Pack(s)Available 1 Day(s) 30.5[Stainless Steel] Stainless Steel25820 pieces/bagHeavy Load

MYR 30.93

20 Pieces Per Package

1 Pack(s)Available 1 Day(s) 40.8[Stainless Steel] Stainless Steel5201020 pieces/bagHeavy Load

MYR 36.16

20 Pieces Per Package

1 Pack(s)Available 1 Day(s) 51[Stainless Steel] Stainless Steel5201220 pieces/bagHeavy Load

MYR 22.19

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 61.2[Stainless Steel] Stainless Steel10301210 pieces/bagHeavy Load

MYR 25.67

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 81.6[Stainless Steel] Stainless Steel15501610 pieces/bagHeavy Load

MYR 30.93

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 102[Stainless Steel] Stainless Steel20601610 pieces/bagHeavy Load

MYR 39.04

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 122.6[Stainless Steel] Stainless Steel251002010 pieces/bagHeavy Load

MYR 16.40

10 Pieces Per Package

1 Pack(s)Available 5 Day(s) 30.5[Others / Ceramics] Resin1.53810 pieces/bagLight Load

MYR 16.40

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 40.8[Others / Ceramics] Resin251010 pieces/bagLight Load

MYR 19.30

10 Pieces Per Package

1 Pack(s)Available 5 Day(s) 51[Others / Ceramics] Resin3101210 pieces/bagLight Load

MYR 23.20

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 61.2[Others / Ceramics] Resin5151210 pieces/bagLight Load

MYR 26.19

10 Pieces Per Package

5 Pack(s)Available 18 Day(s) 81.7[Others / Ceramics] Resin7201610 pieces/bagLight Load

MYR 37.00

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 102.1[Others / Ceramics] Resin9251610 pieces/bagLight Load

MYR 45.10

10 Pieces Per Package

2 Pack(s)Available 6 Day(s) 122.8[Others / Ceramics] Resin10302010 pieces/bagLight Load

MYR 89.91

10 Pieces Per Package

1 Pack(s) 6 Day(s) 163.5[Others / Ceramics] Resin15502510 pieces/bagLight Load

MYR 32.70

20 Pieces Per Package

1 Pack(s)Available 1 Day(s) 30.5[Others / Ceramics] Resin25820 pieces/bagHeavy Load

MYR 32.80

20 Pieces Per Package

1 Pack(s)Available 1 Day(s) 40.8[Others / Ceramics] Resin5201020 pieces/bagHeavy Load

MYR 38.60

20 Pieces Per Package

2 Pack(s)Available 6 Day(s) 51[Others / Ceramics] Resin5201220 pieces/bagHeavy Load

MYR 25.20

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 61.2[Others / Ceramics] Resin10301210 pieces/bagHeavy Load

MYR 29.10

10 Pieces Per Package

1 Pack(s)Available 1 Day(s) 81.7[Others / Ceramics] Resin15501610 pieces/bagHeavy Load

MYR 33.30

10 Pieces Per Package

1 Pack(s)Available 6 Day(s) 102.1[Others / Ceramics] Resin20601610 pieces/bagHeavy Load

MYR 45.10

10 Pieces Per Package

1 Pack(s)Available 5 Day(s) 122.8[Others / Ceramics] Resin251002010 pieces/bagHeavy Load

MYR 99.90

10 Pieces Per Package

2 Pack(s)Available 6 Day(s) 163.5[Others / Ceramics] Resin401202510 pieces/bagHeavy Load

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  1. 1

Basic Information

Mounting Method Screw (Hex) Body Material Stainless Steel Thread Locking Treatment Not Provided
Initial Load (Range)(N) 0.01~50 Tip Heat Treatment Not Provided Main Body Surface Treatment Not Provided
Pin Surface Treatment Not Provided

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.

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