Catalog number: Y053-04 Features: ●The rubber part penetrates deeply into the bolt thread, providing high airtightness and eliminating the need to machine an O-ring groove into the fastening parts. Applications: ●To prevent leakage of liquids and gases. Specifications: ●Nominal diameter: M4 ●Outer diameter (mm): 8.0 ●Inner diameter (mm): 4.2 ●Thickness (mm): 2.1 ●Package: Bolt-on pack (blister) Material/Finish: ●Stainless steel ●Packing (NBR)
