(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.
50,000 Stock items for Same Day Ship Out.
All Categories
Categories
- Automation Components
A wide variety of standard and configurable components for factory automation engineers in industries such as automotive, semiconductor, packaging, medical and many more.
- Linear Motion
- Rotary Motion
- Connecting Parts
- Rotary Power Transmission
- Motors
- Conveyors & Material Handling
- Locating, Positioning, Jigs & Fixtures
- Inspection
- Sensors, Switches
- Pneumatics, Hydraulics
- Vacuum Components
- Hydraulic Equipment
- Discharging / Painting Devices
- Pipe, Tubes, Hoses & Fittings
- Modules, Units
- Heaters, Temperature Control
- Framing & Support
- Casters, Leveling Mounts, Posts
- Doors, Cabinet Hardware
- Springs, Shock Absorbers
- Adjusting, Fastening, Magnets
- Antivibration, Soundproofing Materials, Safety Products
- Fasteners
A good selection of accessories such as screws, bolts, washers and nuts that you may need for your daily engineering usage.
- Materials
Browse industrial materials ranging from heat insulating plates, sponges, to metal and plastic materials in different sizes to meet your various applications.
- Wiring Components
A wide variety of wiring parts for connecting and protecting control and PC parts including Connectors, Cables, Electric Wires, Crimping Terminals and more.
- LAN Cables / Industrial Network Cables
- Cables by Application
- Cables with Connectors
- RS232 / Personal Computers / AV Cables
- Wires/Cables
- Connectors (General Purpose)
- Crimp Terminals
- Zip Ties
- Cable Glands
- Cable Bushings/Clips/Stickers
- Screws/Spacers
- Cable Accessories
- Tubes
- Protection Tubes
- Ducts/Wiremolds
- General Purpose Tools
- Dedicated Tools
- Soldering Supplies
- Electrical & Controls
A wide variety of controls and PC parts for electrical engineers including Controls, Powers, PC parts and more.
- Cutting Tools
A wide variety of cutting tools for many uses and work materials including End Mills, Drills, Cutters, Reamers, Turning Tools and more.
- Carbide End Mills
- HSS End Mills
- Milling Cutter Inserts/Holders
- Customized Straight Blade End Mills
- Dedicated Cutters
- Turning Tools
- Drill Bits
- Screw-Hole-Related Tools
- Reamers
- Chamfering / Centering Tools
- Fixtures Related to Cutting Tools
- Step Drills
- Hole Saws
- Clean Key Cutters
- Core Drills (Tip Tools)
- Magnetic Drilling Machine Cutters
- Drill Bits for Electric Drilling Machines
- Woodworking Drill Cutters
- Drills for Concrete
- Processing Tools
A wide variety of tools and supplies used in processing including Machine Tools, Measurement Tools, Grinding and Polishing Supplies and more.
- Material Handling & Storage
A wide variety of goods used in shipment, material handling and warehouse including Tape supplies, Stretch film, Truck, Shelf, Crane and more.
- Tape Supplies
- Cushioning Materials
- Stretch Films
- Cardboard
- Plastic Bags
- PP Bands
- Magic Tapes / Tying Belts
- Rubber Bands
- Strings/Ropes
- Cable Ties
- Tags
- Labelers
- Unpacking Cutters
- Packing Support Equipment
- Cloth Sheets for Packing
- Conveyance/Dolly Carts
- Tool Wagons
- Tool Cabinets / Container Racks
- Lifters / Hand Pallets
- Container Pallets
- Storage Supplies
- Shelves/Racks
- Work Benches
- Suspended Clamps/Suspended Belts
- Jack Winches
- Chain Block Cranes
- Bottles/Containers
- Bicycle Storage Area
- Safety & General Supplies
A large variety of goods for every kind of factories and offices including Protection items, Cleaning supplies, sanitations, office supplies and more.
- Lab & Clean Room Supplies
A large variety of items used in R&D and Clean Room including research Equipment, Laboratory Essentials, Analysis Supplies, Clean Environment-Related Equipment and more.
- Press Die Components
Choose from thousands of standard stamping die components including Punch & Die, Gas Springs, Guide Components, Coil Springs and many more.
- Plastic Mold Components
Browse our wide variety of mold components including Ejector Pins, Sleeves, Leader Components, Sprue Bushings and many more.
- Ejector Pins
- Sleeves, Center Pins
- Core Pins
- Sprue bushings, Gates, and other components
- Date Mark Inserts, Recycle Mark Inserts, Pins with Gas Vent
- Undercut, Plates
- Leader Components, Components for Ejector Space
- Mold Opening Controllers
- Cooling or Heating Components
- Accessories, Others
- Components of Large Mold, Die Casting
- Injection Molding Components
Browse our injection molding components including Heating Items, Couplers, Hoses and more.
- Purging Agent
- Injection Molding Machine Products
- Accessories of Equipment
- Auxiliary Equipment
- Air Nippers
- Air Cylinders
- Air Chuck for Runner
- Chuck Board Components
- Frames
- Suction Components
- Parallel Air Chuck
- Special Air Chuck
- Chemical for Injection Molding
- Mold Maintenance
- Heating Items
- Heat Insulation Sheets
- Couplers, Plugs, One-touch Joints
- Tubes, Hoses, Peripheral Components
Search by Application
Brands
- Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
- Please note that E-Invoice will be sent to our customers by email. For more information, please read News.
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.
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.
Additional Products in this Category
Tech Support
- Credit Card
- Bank Transfer
Social Media
MISUMI Contact
Copyright © MISUMI Corporation All Rights Reserved.
How can we improve?
How can we improve?
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Customer Privacy Policy
Thank you for your cooperation.
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.
Customer Privacy Policy