Catalog number: SWS 4-9 Features: ●Completely prevents leakage from fastening points and intrusion of dust and foreign matter. ●No need for groove processing or precision finishing of sealing surfaces. ●Excellent corrosion resistance and chemical resistance. ●Stainless steel construction prevents rust. ●Even if the screw is inserted into the screw and faces downward, it will not fall off due to the effect of the interference. Applications: ●Headed bolt seal. ●Flange seal. Specifications: ●Maximum hole diameter (mm): 4.5 ●Nominal diameter (mm): 4 ●Inner diameter (mm): 4.3 ●Outer diameter (mm): 9.0 ●Thickness (mm): 1.0 ●Operating temperature range: -25 to 100°C Materials/Finish: ●Packing: Synthetic rubber (NBR) ●Metal ring: Stainless steel (SUS304)
