• Special Screws
  • Vacuum Application Screws


Clamping Set Screws with Ventilation Hole

  • Vacuum
  • Cleanroom Specification
  • Fixing/Positioning

Dimension Drawing

SCSS-VRClamping Set Screws with Ventilation Hole寸法図

Unit : mm

Part Number L M (Coarse)
Nominal of Thread
Pitch Db B d Mass
SCSS-M8-30-VR 31.2 M8 1.25 5.5 4 2 9 13.85 CAD Cart

● Batch cleanroom packing is provided for orders containing multiple items of the same size.

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Main Body SUSXM7
(Equivalent to SUS304)
Ball SUS440C(Hardness 55-60HRC)
Thin Fluorine Coating


Fixing and locating workpiece, Vacuum devices, FPD production equipment, semiconductor devices


  • This screw is used to secure work in vacuum devices and vacuum chambers, such as FPD production equipment and semiconductor devices.
  • Cleanroom wash and cleanroom packing are completed.⇒Cleanroom Wash / Cleanroom Packing Service
  • The thin fluorine coating keeps the ball highly lubricated, even after cleanroom washing.
  • Ventilation holes and grooves easily release gas trapped in machines.
  • SCSS-VR has a full ball to firmly secure work at the contact point.
  • The contact surface of SCSS-VF is a flat ball. Workpiece is not damaged. The ball rotates flexibly up to 9°. Clamps securely even the inclied surface.

SCSS-VRClamping Set Screws with Ventilation Hole

Product List

Click here to see SCSS-VR

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