Hints for Correctly Using NBK Products
Unit : mm
| Part Number | M (Coarse) Nominal of Thread |
Pitch | s | L | L1 | D | a | B | Applicable Ball Button | Applicable Wrench*1 | Load (N) Min./Max. |
Mass (g) |
Anti- Loosening |
Type | CAD Download |
Cart |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSP-8-5 | M8 | 1.25 | 5 | 27 | - | 3.1 | 2.2 | 2.5 | BB-8 | PPW-8 | 2/9.8 | 9 | Yes | Light Load | CAD | RFQ |
*1: Use a slotted screwdriver with PSP-3PSP-4BPSP-4.
Nabeya Bi-tech Kaisha
Customer Service
Please enter questions about customization and other product-related inquiries here.
Find the inquiry form hereMaterial/Finish
| PSP | PSP-S | PSP-Z | |
|---|---|---|---|
| Main Body | Equivalent to SCM435 Ferrosoferric Oxide Film (Black) |
Equivalent to SCM435 Ferrosoferric Oxide Film (Black) |
Equivalent to SCM435 Nickel Plating |
| Hex Socket Set Screw | Steel Ferrosoferric Oxide Film (Black) |
Steel Ferrosoferric Oxide Film (Black) |
Steel Ferrosoferric Oxide Film (Black) |
| Pin | Steel (Hardness: 57 - 63 HRC) Trivalent Chromate Treatment*1 |
Steel (Hardness: 57 - 63 HRC) Ferrosoferric Oxide Film (Black) |
Steel (Hardness: 57 - 63 HRC) Ferrosoferric Oxide Film (Black) |
| Spring | SWPB | SWPB | SWPB |
| Anti-Loosening | Epoxy Resin Microcapsule | Epoxy Resin Microcapsule | Epoxy Resin Microcapsule |
*1: PSP-3PSP-4PSP-5 pin surface treatment has electroless nickel plating. Only PSP-5B-3is treated with trivalent chromate.
Characteristics
- Coated with a sealed microcapsule containing loosening-prevention agent (excluding M3/M4).
- We also produce products of special specifications, e.g. dimensions, load and materials. Plungers : Related Information
- Pin materials and load types can be selected by a product code.
| Product Code | Pin Material | Load Type |
|---|---|---|
| PSP | Steel | Light Load |
| PSP-N | Plastic | Light Load |
| PSP-S | Steel | Heavy Load |
| PSP-Z | Steel | Super Heavy Load |
Precautions for Use
Install and remove from the pin side by using the plunger wrench PPW.If a hex socket is used, the hex socket set screw attached to the main body may detach.
Related Products
A dedicated plunger wrench PPW for mounting or removal from the pin side is available.PPW







