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Index Plungers Short Thread Type
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Part Number
Configured Part Number is shown.
Product Overview of Indexing Plungers
Suitable for fixture indexing, positioning, stop limit and other occasions.
Product Features of Indexing Plungers
♢ This series is short thread type, which is suitable for installation in narrow environments. It is not recommended to use on a vibrating or rotating workbench.
♢ The operation method is generally divided into two types: reset and self-locking type.
Dimensional Drawing of Indexing Plungers
| Type of Indexing Plungers | Thread | Indexing Plungers | Body | Pin | Spring | (Locknut) | |||||
| Reset Type | Self-Locking Type |  Material | Material |  Surface Treatment | Material |  Hardness | Surface Treatment | Material | Material | Surface Treatment | |
| E-PXSKN | E-PXRKN | Fine | A6061 (Black Anodized) | 1215 | Blackening | 45 Steel | 45～55HRC | Blackening | SUS304 | 35 Steel | Blackening |
| E-SPXSKN | E-SPXRKN | SUS303 | － | SUS420F | 40～50HRC | Nickel Plated | SUS304 | － | |||
Specifications Overview of Indexing Plungers
| Part Number of Indexing Plungers | Thread Pitch | D | D1 | B | S | L | L1 | L2 | L3 | Sw1 | Sw2 | R | Load (N) | Torque (N) | |||
 Type |  M | Fine | min. | max. | max. | ||||||||||||
| (Reset Type) E-PXSKN E-SPXSKN | (Self-Locking Type) E-PXSKN E-SPXRKN | 12 | 1.5 | 21 | 19.6 | 6 | 6 | 48 | 10 | 5 | 6 | 17 | 19 | 3 | 6 | 15.5 | 30 |
| 16 | 26 | 21.9 | 8 | 7 | 56 | 12 | 6 | 8 | 19 | 24 | 4 | 13.7 | 21 | 100 | |||
Usage Method of Indexing Plungers
•Reset type of Indexing Plungers
1. The front end is usually protruding.
2. The front end retracts when the knob is pulled out.
3. If the knob is released, the front end will return to the protruding state through the action of the built-in spring force.
1. The front end is usually protruding.
2. The front end retracts when the knob is pulled out.
3. If the front end is rotated by 90 while maintaining the pull-out state°, the retraction state of the front end can be locked.
4. To release the locked state, simply rotate 90° while maintaining the pulled-out state.
5. If the Indexing Plungers is released, the front end will return to the protruding state through the action of the built-in spring force.
Example Use of Indexing Plungers
Part Number
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| Part Number |
|---|
| E-SPXRKN12 |
| E-SPXRKN16 |
| E-SPXSKN12 |
| E-SPXSKN16 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Screw Dia. M (mm) | Tip Outer Dia. B (Ø) | Stroke (S) (mm) | Locking Mechanism | Body Material | Length L (mm) | Pin Material | Pin Surface Treatment | Main Body Surface Treatment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 50.18 | 5 Piece(s) | Available | 9 Day(s) | 12 | 6 | 6 | [Nose Lock] Self-locking Type | [Stainless Steel] Stainless Steel | 48 | [Stainless Steel] Stainless Steel | Nickel Plating | - | |
MYR 57.40 | 5 Piece(s) | Available | 9 Day(s) | 16 | 8 | 7 | [Nose Lock] Self-locking Type | [Stainless Steel] Stainless Steel | 56 | [Stainless Steel] Stainless Steel | Nickel Plating | - | |
MYR 44.32 | 5 Piece(s) | Available | 9 Day(s) | 12 | 6 | 6 | [Returning] Reset Type | [Stainless Steel] Stainless Steel | 48 | [Stainless Steel] Stainless Steel | Nickel Plating | - | |
MYR 52.68 | 5 Piece(s) | Available | 9 Day(s) | 16 | 8 | 7 | [Returning] Reset Type | [Stainless Steel] Stainless Steel | 56 | [Stainless Steel] Stainless Steel | Nickel Plating | - |
Loading...
| Part Number | Thread Pitch | D | D1 | B | S | L | L1 | L2 | L3 | Sw1 | Sw2 | R | Load (N) | Torque (N) | |||
 Type |  M | Fine | min. | max. | max. | ||||||||||||
| (Reset Type) E-PXSKN E-SPXSKN | (Self-Locking Type) E-PXSKN E-SPXRKN | 12 | 1.5 | 21 | 19.6 | 6 | 6 | 48 | 10 | 5 | 6 | 17 | 19 | 3 | 6 | 15.5 | 30 |
| 16 | 26 | 21.9 | 8 | 7 | 56 | 12 | 6 | 8 | 19 | 24 | 4 | 13.7 | 21 | 100 | |||
| Type | Thread | Knob | Body | Pin | Spring | (Locknut) | |||||
| Reset Type | Self-Locking Type |  Material | Material |  Surface Treatment | Material |  Hardness | Surface Treatment | Material | Material | Surface Treatment | |
| E-PXSKN | E-PXRKN | Fine | A6061 (Black Anodized) | 1215 | Blackening | 45 Steel | 45～55HRC | Blackening | SUS304 | 35 Steel | Blackening |
| E-SPXSKN | E-SPXRKN | SUS303 | － | SUS420F | 40～50HRC | Nickel Plated | SUS304 | － | |||
Basic Information
| Type | Standard Type | Mounting Method | Screw-In | All Stainless | Not Compliant |
|---|---|---|---|---|---|
| Knob | Provided | Accessories | With locknut |
Specification/Dimensions
-
Screw Dia. M(mm)
-
Tip Outer Dia. B(Ø)
-
Stroke (S)(mm)
-
Locking Mechanism
- Nose Lock
- Returning
- Nose Lock
-
Length L(mm)
-
Pin Material
- Stainless Steel
- S45C
- Stainless Steel
-
Pin Surface Treatment
- Black Oxide
- Nickel Plating
-
Main Body Surface Treatment
- Black Oxide
-
type
- E-PXRKN
- E-PXSKN
- E-SPXRKN
- E-SPXSKN
-
Body 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: Can the knob plunger withstand radial force?
- Answer: It is not recommended to bear radial cutting force, as it is prone to product damage and fracture, and generally it can only bear axial force.
- Question: What role does a ball plunger play?
- Answer: It is a mechanical element part that can easily and quickly locate and fix the workpiece by operating the knob or the handle to pull out or insert the pin. Early knob plungers were mainly used for parts used in the angular positioning of indexing devices. In recent years, knob plunger has been more widely used, and become an indispensable mechanical element part of equipment and devices.
- Question: What are the characteristics of fine thread type compared to coarse thread type?
- Answer: Fine thread type is suitable for fine-tuning the ejection amount of the pin. More precise positioning is more possible compared to coarse thread type.
- Question: What is the difference between reset type and self-locking type knob plungers?
- Answer: The self-locking type can lock the front end by turning 90° after pulling out the knob, while keeping the pulled state and turning 90° to release the lock.
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