Spring Plungers - Steel

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Product Description
- Spring Plungers - Steel
- Screw Type of Pin Plunger: Spherical head.
- Body Material: Steel S45C
- Body Hardness: 29 ~ 35HRC
- Main Body Surface Treatment: Black Oxide and Electroless Nickel Plating.
- Pin Material: Steel S45C and Plastic Polyacetal.
- Pin Surface Treatment (for steel type): Black Oxide and Trivalent Chromate.
- Spring Material: SWP-B.
- Mounting Thread size: 3, 4, 5, 6, 8, 10, 12, 16, 20 and 24 mm.
- The operating Temperature: -30 to 80 ℃
- Mounting Method: Screw-In

| Load Category | Type | Body | Pin | Spring | Operating Temperature | ||||||
| Standard | Thread-lock Untreated | [ M ]Material | [ H ]Hardness | [ S ] Surface Treatment | [ M ]Material | [ H ]Hardness | [ S ] Surface Treatment | [ M ]Material | |||
| Steel Nose | Ultra Light Load | PJS | PJS~N | S45C | 29~35HRC | Blackening | S45C | 57~63HRC (Carburized) | Trivalent Chromate | SWP-B | -30~80°C |
| Light Load | PJL | PJL-N | |||||||||
| Heavy Load | PJH | PJH-N | Blackening | ||||||||
| Extra Heavy Load | PJX | PJX~N | Nickel Plating | ||||||||
| Plastic Tip | Ultra Light Load | NPJS | NPJS~N | Blackening | Polyacetal | ~ | ~ | ||||
| Light Load | NPJL | NPJL~N | |||||||||
| Heavy Load | NPJH | NPJH~N | |||||||||
| Extra Heavy Load | NPJX | ~ | Nickel Plating | ||||||||