Hints for Correctly Using NBK Products
The video is an example using SSC (SSC). You can perform the same operation using this product.
Dimension Drawing
Unit : mm
| Part Number | M (Coarse) Nominal of Thread |
Pitch | L | Lm | D1 | L1 | B | dc | d max. | Max. Tightening Torque＊1 (N・m) |
Mass (g) |
Price (USD) |
CAD Download |
QTY (Piece) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SSC-SVSS-M4-16 | M4 | 0.7 | 16 | 5 | 7 | 4 | 3 | 3 | 1.5 | 1.8 | 2.3 | 6.08 | CAD | Cart |
＊1： Values in chart are for reference only. They are not guaranteed values.
● Batch cleanroom packing is provided for orders containing multiple items of the same size.
Nabeya Bi-tech Kaisha
Customer Service
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- Captive screws with ventilation hole.
- Hex socket head cap screw type.
- Prevents fallout and loss of the screw. They are intended to fix protective and inspection covers that are frequently installed and removed.
- For CE Marking compatibility.⇒Use the NBK Captive Screw Series to be comply with CE
- The ventilation hole easily releases gas trapped in the screw holes of equipment and machines, and supports vacuum drawing of vacuum devices.
- Cleanroom washing/cleanroom packing provided.⇒Cleanroom Wash / Cleanroom Packing Service
Material/Finish
| SSC-SVSS | |
|---|---|
| Main Body | SUSXM7 (Equivalent to SUS304) |
| Strength Class | A2 - 70 |
Application
For fixing protective covers and maintenance coversCE Marking compatible
Machine tools / Food machinery / Electrical and electronic equipment / Vacuum devices / Vacuum chambers / FPD production equipment / Semiconductor manufacturing equipment / Electron microscopes
Usage Example
Gas trapped at the bottom of the screw hole is released through SSC-SVSS, and gas trapped in the cover is released through SWAS-VF.SWAS-VF
Precautions for Use
- Screw hole inner diameter on the cover side shall be at least the dc dimension.
- The cover thickness should be 0.8 mm or above.
Installation Example
Make a screw hole in the cover, and then pass the SSC-SVSS thread part through it. Even when the screw is removed from the frame, SSC-SVSS does not fall out of the cover because the SSC-SVSS thread part catches on the cover screw hole.
