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- Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
Ball Plungers Hex Socket Head Cap Screw
- Volume Discount
Part Number
Configured Part Number is shown.
♢ 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.
♢This series features a bolt-like design for easy tip positioning.
| Part Number | L Selection | d | S | B1 | A | E | ℓ | Load (N) | ||||||||||
| Type | M (Coarse Thread) | |||||||||||||||||
| min. | max. | |||||||||||||||||
| E-LBPRL E-LBPRH | 4 | 10 | 15 | 20 | 30 | 2.5 | 0.8 | 3 | 7 | 4 | 2 | 3.9 | 9.8 | |||||
| 5 | 15 | 20 | 30 | 40 | 3 | 4 | 8.5 | 5 | 2.5 | 4.9 | 19.6 | |||||||
| 6 | 15 | 20 | 30 | 40 | 3 | 5 | 10 | 6 | 3 | 9.8 | 29.4 | |||||||
| 8 | 15 | 20 | 30 | 40 | 4 | 1 | 6 | 13 | 8 | 4 | 12.7 | 39.2 | ||||||
| 10 | 15 | 20 | 30 | 40 | 50 | 5 | 1.2 | 8 | 16 | 10 | 5 | 18.6 | 49 | |||||
| 12 | 25 | 30 | 40 | 7.1 | 1.8 | 10 | 18 | 12 | 6 | 19.6 | 58.8 | |||||||
| 16 | 40 | 9.5 | 2.5 | 14 | 24 | 16 | 8 | 29.4 | 98 | |||||||||
Material Specification
| Type | Body | Ball | Spring | ||
 Material |  Surface Treatment | Material |  Hardness | Material | |
| E-LBPRL | 40Cr | Black Oxide | SUJ2 | 55HRC~ | SUS304 |
| E-LBPRH | SUS304 | - | SUS440C | 55HRC~ | |
♢Load available in both light load and heavy load, and surface treatment available in electroless nickel plating and iron tetraoxide protective film.
♢Same thread size available in multiple lengths for selection.
♢ The ball plunger has 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.
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Outer Dia. M (mm) | Stroke (S) (mm) | Ball Material | Main Body Surface Treatment | Initial Load (N) | Max. Load (N) | Length L (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
SGD 1.40 | 1 Piece(s) | Available | 9 Day(s) | 4 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 3.9 | 9.8 | 10 | |
SGD 1.40 | 1 Piece(s) | Available | 9 Day(s) | 4 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 3.9 | 9.8 | 15 | |
SGD 1.40 | 1 Piece(s) | Available | 9 Day(s) | 4 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 3.9 | 9.8 | 20 | |
SGD 1.50 | 1 Piece(s) | Available | 9 Day(s) | 4 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 3.9 | 9.8 | 30 | |
SGD 1.40 | 1 Piece(s) | Available | 9 Day(s) | 5 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 4.9 | 19.6 | 15 | |
SGD 1.40 | 1 Piece(s) | Available | 9 Day(s) | 5 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 4.9 | 19.6 | 20 | |
SGD 1.50 | 1 Piece(s) | Available | 9 Day(s) | 5 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 4.9 | 19.6 | 30 | |
SGD 1.70 | 1 Piece(s) | Available | 9 Day(s) | 5 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 4.9 | 19.6 | 40 | |
SGD 1.40 | 1 Piece(s) | Available | 9 Day(s) | 6 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 9.8 | 29.2 | 15 | |
SGD 1.40 | 1 Piece(s) | Available | 9 Day(s) | 6 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 9.8 | 29.2 | 20 | |
SGD 1.50 | 1 Piece(s) | Available | 9 Day(s) | 6 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 9.8 | 29.2 | 30 | |
SGD 1.70 | 1 Piece(s) | Available | 9 Day(s) | 6 | 0.8 | [Stainless Steel] Stainless Steel | Not Provided | 9.8 | 29.2 | 40 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 8 | 1 | [Stainless Steel] Stainless Steel | Not Provided | 12.7 | 39.2 | 15 | |
SGD 1.90 | 1 Piece(s) | Available | 9 Day(s) | 8 | 1 | [Stainless Steel] Stainless Steel | Not Provided | 12.7 | 39.2 | 20 | |
SGD 2.10 | 1 Piece(s) | Available | 9 Day(s) | 8 | 1 | [Stainless Steel] Stainless Steel | Not Provided | 12.7 | 39.2 | 30 | |
SGD 2.50 | 1 Piece(s) | Available | 9 Day(s) | 8 | 1 | [Stainless Steel] Stainless Steel | Not Provided | 12.7 | 39.2 | 40 | |
SGD 2.20 | 1 Piece(s) | Available | 9 Day(s) | 10 | 1.2 | [Stainless Steel] Stainless Steel | Not Provided | 18.6 | 49 | 15 | |
SGD 2.10 | 1 Piece(s) | Available | 9 Day(s) | 10 | 1.2 | [Stainless Steel] Stainless Steel | Not Provided | 18.6 | 49 | 20 | |
SGD 2.30 | 1 Piece(s) | Available | 9 Day(s) | 10 | 1.2 | [Stainless Steel] Stainless Steel | Not Provided | 18.6 | 49 | 30 | |
SGD 2.60 | 1 Piece(s) | Available | 9 Day(s) | 10 | 1.2 | [Stainless Steel] Stainless Steel | Not Provided | 18.6 | 49 | 40 | |
SGD 2.90 | 1 Piece(s) | Available | 9 Day(s) | 10 | 1.2 | [Stainless Steel] Stainless Steel | Not Provided | 18.6 | 49 | 50 | |
SGD 2.30 | 1 Piece(s) | Available | 9 Day(s) | 12 | 1.8 | [Stainless Steel] Stainless Steel | Not Provided | 19.6 | 58.8 | 25 | |
SGD 2.60 | 1 Piece(s) | Available | 9 Day(s) | 12 | 1.8 | [Stainless Steel] Stainless Steel | Not Provided | 19.6 | 58.8 | 30 | |
SGD 2.90 | 1 Piece(s) | Available | 9 Day(s) | 12 | 1.8 | [Stainless Steel] Stainless Steel | Not Provided | 19.6 | 58.8 | 40 | |
SGD 6.80 | 1 Piece(s) | Available | 9 Day(s) | 16 | 2.5 | [Stainless Steel] Stainless Steel | Not Provided | 29.4 | 98 | 40 |
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Basic Information
| Mounting Method | Screw (Cap) | Thread Locking Treatment | Not Provided | Initial Load (Range)(N) | 0.01~50 |
|---|---|---|---|---|---|
| Tip Heat Treatment | Not Provided | Pin Surface Treatment | Not Provided | Shape | Hex Socket Bolt Type |
Specification/Dimensions
-
Outer Dia. M(mm)
-
Stroke (S)(mm)
-
Main Body Surface Treatment
- Not Provided
- Black Oxide
-
Initial Load(N)
-
Length L(mm)
-
type
- E-LBPRH
- E-LBPRL
-
Ball Material
- Steel
- Stainless Steel
- Steel
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 9 Day(s) or Less
Specify Alterations
- 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 role does a spring plunger play?
- Answer: With pin-shaped front section, it can be used to eject workpieces or stoppers.
- Question: What is the meaning of load min and max?
- Answer: The min. load represents the initial load, and the max. load represents the load at the maximum press-in limit of ball head.
- 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: Can the knob plunger withstand radial force?
- Answer: No, it can only withstand axial force.
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