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Spring Plungers Micro, Set Screw (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.
♢This series comes with a groove that is laterally fixed by set screws.
Material Specification
| Load Classification | Tybe | Body | Pin | Spring |
| Flat Head |  Material | Material | Material | |
| Light Load | E-LMPFLT | SUS303 | SUS304 | SUS304 |
| Heavy Load | E-LMPFHT |
| Part Number | S | d | D1 | L | ℓ | F | G | C | Light Load | Heavy Load | |||
| Type | Dh7 | Load (N) | Load (N) | ||||||||||
| min. | max. | min. | max. | ||||||||||
| (Flat Head) E-LMPFLT E-LMPFHT | 2 | 1.5 | 1 | 2.5 | 20.5 | 2.5 | 0.5 | 1 | 0.1 | 0.49 | 0.98 | 1.96 | 3.92 |
| 3 | 30.5 | 1.67 | 3.73 | ||||||||||
| 3 | 3 | 2 | 3.5 | 20.5 | 0.2 | 0.49 | 1.47 | 2.45 | 3.92 | ||||
| 6 | 30.5 | 2.26 | 3.73 | ||||||||||
| 4 | 3 | 3 | 4.5 | 20.5 | 3.5 | 0.8 | 0.2 | 0.59 | 1.47 | 3.43 | 5.3 | ||
| 6 | 25.5 | 0.49 | 2.06 | 2.45 | 5.3 | ||||||||
| 9 | 37.5 | 0.69 | 3.92 | 2.94 | 6.47 | ||||||||
| 5 | 4 | 4 | 5.5 | 22.5 | 0.3 | 0.64 | 1.96 | 3.73 | 6.96 | ||||
| 8 | 29.5 | 0.78 | 3.82 | 3.04 | 7.06 | ||||||||
| 12 | 37.5 | 0.83 | 5.79 | 2.75 | 7.06 | ||||||||
♢ It is made of all stainless steel without painting and coloring, so it is suitable for equipment with high requirements on the surface.
♢ 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) | Min. Load (N) | Max. Load (N) |
|---|---|---|---|---|---|---|---|---|
MYR 33.74 | 1 Piece(s) | Available | 9 Day(s) | 2 | 1.5 | 1.96 | 3.92 | |
MYR 33.74 | 1 Piece(s) | Available | 9 Day(s) | 2 | 3 | 1.67 | 3.73 | |
MYR 32.00 | 1 Piece(s) | Available | 9 Day(s) | 3 | 3 | 2.45 | 3.92 | |
MYR 32.00 | 1 Piece(s) | Available | 9 Day(s) | 3 | 6 | 2.26 | 3.73 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 4 | 3 | 3.43 | 5.3 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 4 | 6 | 2.45 | 5.3 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 4 | 9 | 2.94 | 6.47 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 5 | 4 | 3.73 | 6.96 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 5 | 8 | 3.04 | 7.06 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 5 | 12 | 2.75 | 7.06 | |
MYR 33.74 | 1 Piece(s) | Available | 9 Day(s) | 2 | 1.5 | 0.49 | 0.98 | |
MYR 33.74 | 1 Piece(s) | Available | 9 Day(s) | 2 | 3 | 0.49 | 0.98 | |
MYR 32.00 | 1 Piece(s) | Available | 9 Day(s) | 3 | 3 | 0.49 | 1.47 | |
MYR 32.00 | 1 Piece(s) | Available | 9 Day(s) | 3 | 6 | 0.49 | 1.47 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 4 | 3 | 0.59 | 1.47 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 4 | 6 | 0.49 | 2.06 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 4 | 9 | 0.69 | 3.92 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 5 | 4 | 0.64 | 1.96 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 5 | 8 | 0.78 | 3.82 | |
MYR 30.28 | 1 Piece(s) | Available | 9 Day(s) | 5 | 12 | 0.83 | 5.79 |
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Basic Information
| Pin Material | Stainless Steel | Body Material | Stainless Steel | Mounting Method | Press Fit |
|---|---|---|---|---|---|
| Initial Load (Range)(N) | 0.01~50 | Thread Locking Treatment | Not Provided | Tip Heat Treatment | Not Provided |
| Main Body Surface Treatment | Not Provided | Pin Surface Treatment | Not Provided |
- 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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