• Special Screws
  • Vacuum Application Screws


Washers with Ventilation Grooves

  • Vacuum
  • Cleanroom Specification

Dimension Drawing

SWAS-VFWashers with Ventilation Grooves寸法図


Unit : mm

Part Number Nominal d D t Qty per Pack Mass
SWAS-3-VF 3 3.2 7 0.5 20 0.12 CAD RFQ
SWAS-4-VF 4 4.3 9 0.8 20 0.31 CAD RFQ
SWAS-5-VF 5 5.3 10 1 10 0.44 CAD RFQ
SWAS-6-VF 6 6.4 12.5 1.6 10 1.1 CAD RFQ
SWAS-8-VF 8 8.4 17 1.6 10 2.1 CAD RFQ
SWAS-10-VF 10 10.5 21 2 5 4 CAD RFQ
SWAS-12-VF 12 13 24 2.5 5 6.2 CAD RFQ

Related Service


Main Body SUS304


Vacuum devices, vacuum chambers, FPD production equipment, semiconductor devices, and electron microscopes


  • The ventilation groove easily releases gas trapped in the drill holes of equipment and machines, and supports vacuum drawing of vacuum devices.
  • Cleanroom wash and cleanroom packing are completed.⇒Cleanroom Wash / Cleanroom Packing Service
  • SWAS-VF-PChas an improved surface coarseness by chemical polishing. Outgas quantity is extremely low. Suitable for the use under medium vacuum environments.
  • Combine this item with screws with ventilation holes, such as SVSSSocket Head Cap Screw with Ventilation Hole.SVSSSVSS-PC

Usage Example

Gas trapped in drilled holes is released through SWAS-VF, and gas trapped in screw holes is released by screws with ventilation holes such as SVSSSVSSSVSS-PC).

SWAS-VFWashers with Ventilation Grooves

Related Products

Socket Head Cap Screws with Ventilation Hole

SWAS-VFWashers with Ventilation Grooves

Socket Head Cap Screws with Ventilation Hole - MoS2 Shot

SWAS-VFWashers with Ventilation Grooves

Product List

Customer Service

  • Usage Method
  • Technical Question
  • Customization Products
USA and Canada

NBK America LLC

9:00 to 17:00 on weekdays, Eastern Standard Time

Asia and Europe

Nabeya Bi-tech Kaisha

9:00 to 17:15 on weekdays, Japan Standard Time