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Spring Plungers Steel Screw, Short Stroke
Part Number
Configured Part Number is shown.
The spring plunger is also known as the positioning column, ball screw, spring screw, etc. It is a product involving vertical stroke, in which the front pin is pressed till the pin sinks into the body and then the front pin can be ejected through the built-in spring. It can be used in mold release, workpiece lifting and positioning, etc., which can be widely applied in medium and low-precision mechanical devices, fixtures, molds, automation machines, etc.
Material Specification
| Load Classification | Type | Body | Pin | Spring | |||||
 Material |  Hardness |  Surface Treatment | Material | Hardness | Surface Treatment | Material | |||
| Steel Convex Pin | Ultra Light Load | E-LSPJS | 40Cr | 15~20HRC | Black Oxide | 1215 | 5~10HRC | Zinc Plating | SWP-B |
| Light Load | E-LSPJL | ||||||||
| Heavy Load | E-LSPJH | Black Oxide | |||||||
| Ultra Heavy Load | E-LSPJF | Nickel plating | |||||||
| Resin Convex Pin | Ultra Light Load | E-LSPRRS | Black Oxide | POM | - | _ | |||
| Light Load | E-LSPRM | ||||||||
| Heavy Load | E-LSPRH | ||||||||
| Ultra Heavy Load | E-LSPRF | Nickel plating | |||||||
| Part Number | d | S | L | ℓ | B | Ultra Light Load | Light Load | Heavy Load | Ultra Heavy Load | |||||
| Type | M (Coarse Thread) | Load (N) | Load (N) | Load (N) | Load (N) | |||||||||
| min. | max. | min. | max. | min. | max. | min. | max. | |||||||
| (Steel Convex Pin) E-LSPJS E-LSPJL E-LSPJH E-LSPJF (Resin Convex Pin) E-LSPRRS E-LSPRM E-LSPRH E-LSPRF | 3 | 1.2 | 1 | 7 | 1 | 1.5 | 0.11 | 0.48 | 0.4 | 1.5 | 0.8 | 2 | - | - |
| 4 | 2.1 | 1.2 | 9 | 1.5 | 2 | 0.49 | 1.55 | 1.6 | 5 | 2 | 9 | 4.4 | 11.9 | |
| 5 | 2.7 | 1.5 | 12 | 2 | 2.5 | 0.53 | 2.53 | 2 | 7.8 | 4.9 | 14.7 | 4.1 | 24.9 | |
| 6 | 3.2 | 1.5 | 13 | 2.5 | 3 | 0.89 | 3.11 | 2.9 | 9.8 | 5.9 | 19.6 | 7.7 | 30.6 | |
| 8 | 4 | 2 | 15 | 2.5 | 4 | 0.9 | 3.14 | 2.9 | 9.8 | 5.9 | 19.6 | 8.6 | 43 | |
| 10 | 5 | 2.5 | 16 | 3 | 5 | 1.76 | 4.71 | 4.9 | 14.7 | 9.8 | 29.4 | 14.1 | 53.1 | |
| 12 | 6 | 3.5 | 20 | 3 | 6 | 1.96 | 4.82 | 4.9 | 14.7 | 9.8 | 29.4 | 23.1 | 58.3 | |
| 16 | 8 | 4.5 | 22 | 3 | 8 | 3.29 | 9 | 9.8 | 29.4 | 19.6 | 58.8 | 26.6 | 78.8 | |
♢ The front pin is available in steel type and resin type.
♢ The stroke can be fine-tuned correspondingly to the screw-in depth.
♢ The spring plunger is a product involving vertical stroke. It can be used in mold release, workpiece lifting and positioning, etc., which can be widely applied in medium and low-precision mechanical devices, fixtures, molds, automation machines, etc.
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Outer Dia. M (mm) | Stroke (S) (mm) | Pin Material | Thread Locking Treatment | Main Body Surface Treatment | Pin Surface Treatment | Min. Load (N) | Max. Load (N) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 4 | 1.2 | [Steel] Steel | Not Provided | Nickel Plating | Black Oxide | 4.4 | 11.9 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 5 | 1.5 | [Steel] Steel | Provided | Nickel Plating | Black Oxide | 4.1 | 24.9 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 6 | 1.5 | [Steel] Steel | Provided | Nickel Plating | Black Oxide | 7.7 | 30.6 | |
SGD 2.00 | 1 Piece(s) | Available | 9 Day(s) | 8 | 2 | [Steel] Steel | Provided | Nickel Plating | Black Oxide | 8.6 | 43 | |
SGD 2.10 | 1 Piece(s) | Available | 9 Day(s) | 10 | 2.5 | [Steel] Steel | Provided | Nickel Plating | Black Oxide | 14.1 | 53.1 | |
SGD 2.60 | 1 Piece(s) | Available | 9 Day(s) | 12 | 3.5 | [Steel] Steel | Provided | Nickel Plating | Black Oxide | 23.1 | 58.3 | |
SGD 5.60 | 1 Piece(s) | Available | 9 Day(s) | 16 | 4.5 | [Steel] Steel | Provided | Nickel Plating | Black Oxide | 26.6 | 78.8 | |
SGD 1.70 | 1 Piece(s) | Available | 9 Day(s) | 3 | 1 | [Steel] Steel | Not Provided | Black Oxide | Black Oxide | 0.8 | 2 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 4 | 1.2 | [Steel] Steel | Not Provided | Black Oxide | Black Oxide | 2 | 9 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 5 | 1.5 | [Steel] Steel | Provided | Black Oxide | Black Oxide | 4.9 | 14.7 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 6 | 1.5 | [Steel] Steel | Provided | Black Oxide | Black Oxide | 5.9 | 19.6 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 8 | 2 | [Steel] Steel | Provided | Black Oxide | Black Oxide | 5.9 | 19.6 | |
SGD 1.90 | 1 Piece(s) | Available | 9 Day(s) | 10 | 2.5 | [Steel] Steel | Provided | Black Oxide | Black Oxide | 9.8 | 29.4 | |
SGD 2.30 | 1 Piece(s) | Available | 9 Day(s) | 12 | 3.5 | [Steel] Steel | Provided | Black Oxide | Black Oxide | 9.8 | 29.4 | |
SGD 5.30 | 1 Piece(s) | Available | 9 Day(s) | 16 | 4.5 | [Steel] Steel | Provided | Black Oxide | Black Oxide | 19.6 | 58.8 | |
SGD 1.70 | 1 Piece(s) | Available | 9 Day(s) | 3 | 1 | [Steel] Steel | Not Provided | Black Oxide | Zinc Plating | 0.4 | 1.5 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 4 | 1.2 | [Steel] Steel | Not Provided | Black Oxide | Zinc Plating | 1.6 | 5 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 5 | 1.5 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 2 | 7.8 | |
SGD 1.60 | 1 Piece(s) | Available | 13 Day(s) | 6 | 1.5 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 2.9 | 9.8 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 8 | 2 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 2.9 | 9.8 | |
SGD 1.90 | 1 Piece(s) | Available | 9 Day(s) | 10 | 2.5 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 4.9 | 14.7 | |
SGD 2.30 | 1 Piece(s) | Available | 9 Day(s) | 12 | 3.5 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 4.9 | 14.7 | |
SGD 5.30 | 1 Piece(s) | Available | 9 Day(s) | 16 | 4.5 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 9.8 | 29.4 | |
SGD 1.70 | 1 Piece(s) | Available | 9 Day(s) | 3 | 1 | [Steel] Steel | Not Provided | Black Oxide | Zinc Plating | 0.11 | 0.48 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 4 | 1.2 | [Steel] Steel | Not Provided | Black Oxide | Zinc Plating | 0.49 | 1.55 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 5 | 1.5 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 0.53 | 2.53 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 6 | 1.5 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 0.89 | 3.11 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 8 | 2 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 0.9 | 3.14 | |
SGD 1.90 | 1 Piece(s) | Available | 9 Day(s) | 10 | 2.5 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 1.76 | 4.71 | |
SGD 2.30 | 1 Piece(s) | Available | 9 Day(s) | 12 | 3.5 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 1.96 | 4.82 | |
SGD 5.30 | 1 Piece(s) | Available | 9 Day(s) | 16 | 4.5 | [Steel] Steel | Provided | Black Oxide | Zinc Plating | 3.29 | 9 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 4 | 1.2 | [Others] Resin | Not Provided | Nickel Plating | Not Provided | 4.4 | 11.9 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 5 | 1.5 | [Others] Resin | Provided | Nickel Plating | Not Provided | 4.1 | 24.9 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 6 | 1.5 | [Others] Resin | Provided | Nickel Plating | Not Provided | 7.7 | 30.6 | |
SGD 1.90 | 1 Piece(s) | Available | 9 Day(s) | 8 | 2 | [Others] Resin | Provided | Nickel Plating | Not Provided | 8.6 | 43 | |
SGD 2.10 | 1 Piece(s) | Available | 9 Day(s) | 10 | 2.5 | [Others] Resin | Provided | Nickel Plating | Not Provided | 14.1 | 53.1 | |
SGD 2.60 | 1 Piece(s) | Available | 9 Day(s) | 12 | 3.5 | [Others] Resin | Provided | Nickel Plating | Not Provided | 23.1 | 58.3 | |
SGD 5.60 | 1 Piece(s) | Available | 9 Day(s) | 16 | 4.5 | [Others] Resin | Provided | Nickel Plating | Not Provided | 26.6 | 78.8 | |
SGD 1.70 | 1 Piece(s) | Available | 9 Day(s) | 3 | 1 | [Others] Resin | Not Provided | Black Oxide | Not Provided | 0.8 | 2 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 4 | 1.2 | [Others] Resin | Not Provided | Black Oxide | Not Provided | 2 | 9 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 5 | 1.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 4.9 | 14.7 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 6 | 1.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 5.9 | 19.6 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 8 | 2 | [Others] Resin | Provided | Black Oxide | Not Provided | 5.9 | 19.6 | |
SGD 2.00 | 1 Piece(s) | Available | 9 Day(s) | 10 | 2.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 9.8 | 29.4 | |
SGD 2.30 | 1 Piece(s) | Available | 9 Day(s) | 12 | 3.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 9.8 | 29.4 | |
SGD 5.10 | 1 Piece(s) | Available | 9 Day(s) | 16 | 4.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 19.6 | 58.8 | |
SGD 1.70 | 1 Piece(s) | Available | 9 Day(s) | 3 | 1 | [Others] Resin | Not Provided | Black Oxide | Not Provided | 0.4 | 1.5 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 4 | 1.2 | [Others] Resin | Not Provided | Black Oxide | Not Provided | 1.6 | 5 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 5 | 1.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 2 | 7.8 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 6 | 1.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 2.9 | 9.8 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 8 | 2 | [Others] Resin | Provided | Black Oxide | Not Provided | 2.9 | 9.8 | |
SGD 1.90 | 1 Piece(s) | Available | 9 Day(s) | 10 | 2.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 4.9 | 14.7 | |
SGD 2.30 | 1 Piece(s) | Available | 9 Day(s) | 12 | 3.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 4.9 | 14.7 | |
SGD 5.30 | 1 Piece(s) | Available | 9 Day(s) | 16 | 4.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 9.8 | 29.4 | |
SGD 1.70 | 1 Piece(s) | Available | 9 Day(s) | 3 | 1 | [Others] Resin | Not Provided | Black Oxide | Not Provided | 0.11 | 0.48 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 4 | 1.2 | [Others] Resin | Not Provided | Black Oxide | Not Provided | 0.49 | 1.55 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 5 | 1.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 0.53 | 2.53 | |
SGD 1.60 | 1 Piece(s) | Available | 9 Day(s) | 6 | 1.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 0.89 | 3.11 | |
SGD 1.80 | 1 Piece(s) | Available | 9 Day(s) | 8 | 2 | [Others] Resin | Provided | Black Oxide | Not Provided | 0.9 | 3.14 | |
SGD 1.90 | 1 Piece(s) | Available | 9 Day(s) | 10 | 2.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 1.76 | 4.71 |
Loading...
Basic Information
| Body Material | Steel | Mounting Method | Screw-In | Initial Load (Range)(N) | 0.01~50 |
|---|---|---|---|---|---|
| Tip Heat Treatment | Not Provided | Wrench Hole Shape | Hex |
Specification/Dimensions
-
Outer Dia. M(mm)
-
Stroke (S)(mm)
-
Pin Material
- Steel
- Others
- Steel
-
Thread Locking Treatment
- Not Provided
- Provided
-
Main Body Surface Treatment
- Black Oxide
- Nickel Plating
-
Pin Surface Treatment
- Not Provided
- Black Oxide
- Zinc Plating
-
Min. Load(N)
-
type
- E-LSPJF
- E-LSPJH
- E-LSPJL
- E-LSPJS
- E-LSPRF
- E-LSPRH
- E-LSPRM
- E-LSPRRS
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 9 Day(s) or Less
- 13 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: Can the knob plunger withstand radial force?
- Answer: No, it can only withstand axial force.
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