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50,000 Stock items for Same Day Ship Out.
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- 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
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- Connecting Parts
- Rotary Power Transmission
- Motors
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- Locating, Positioning, Jigs & Fixtures
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A good selection of accessories such as screws, bolts, washers and nuts that you may need for your daily engineering usage.
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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.
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A wide variety of controls and PC parts for electrical engineers including Controls, Powers, PC parts and more.
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A wide variety of cutting tools for many uses and work materials including End Mills, Drills, Cutters, Reamers, Turning Tools and more.
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A wide variety of tools and supplies used in processing including Machine Tools, Measurement Tools, Grinding and Polishing Supplies and more.
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A wide variety of goods used in shipment, material handling and warehouse including Tape supplies, Stretch film, Truck, Shelf, Crane and more.
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A large variety of goods for every kind of factories and offices including Protection items, Cleaning supplies, sanitations, office supplies and more.
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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
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- Sprue bushings, Gates, and other components
- Date Mark Inserts, Recycle Mark Inserts, Pins with Gas Vent
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- Leader Components, Components for Ejector Space
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Browse our injection molding components including Heating Items, Couplers, Hoses and more.
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- Heating Items
- Heat Insulation Sheets
- Couplers, Plugs, One-touch Joints
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Brands
- Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
FK Fitting 20K Reducing Socket
[Features]·No need to apply seal. ·Lighter screw-in torque. ·Rust resistant thread section. ·Excess screws managed. ·Rubber ring will not twist. ·Environmentally friendly material.
Japanese Only
Part Number
Configured Part Number is shown.
20KFK-RS-4X21/2B
- Download
Product Details - CAD Data unavailable
Basic Information
| Connecting Shape | Socket | Connection Type | Screw⇔Screw Different Diameter | Material | STPG370(SCH40) |
|---|---|---|---|---|---|
| Nominal of Thread M1 | 4B(100A) | Connection Thread Type M1 | Rc | Connection Thread Type M2 | Rc |
| Nominal of Thread M2 | 2 1/2B(65A) | Applicable Fluid | Water | Type | Fitting |
| Max. Operating Pressure(MPa) | 6.9 | Surface Treatment | Polyethylene-Based Resin Outer Surface Coating | Divisions of Max. Operating Pressure | than 2.0Mpa |
| Interior Resin Lining | No |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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