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Spring Plungers Steel Screw, Short Stroke (Part Numbers)
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 | |
SGD 2.30 | 1 Piece(s) | Available | 9 Day(s) | 12 | 3.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 1.96 | 4.82 | |
SGD 5.30 | 1 Piece(s) | Available | 9 Day(s) | 16 | 4.5 | [Others] Resin | Provided | Black Oxide | Not Provided | 3.29 | 9 |
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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