200 M6.3 × 16 mm sealing washers, metal washers with rubber O-rings.

[Premium Materials] One side is made of stainless steel with a smooth, corrosion- and rust-resistant surface. This material offers anti-aging, corrosion-resistant, flame-retardant, and insulating properties, making it ideal for harsh outdoor environments.

[Rubber Seals] These rubber seals are highly elastic and return to their original shape even under prolonged pressure, effectively preventing leaks and extending equipment life. They are suitable for creating airtight seals between bolts, screws, and any surface.

[Easy to Use] Simply slide the seal onto the screw and tighten. The seal's curved design allows air to escape from the screw and the surface during tightening. The rubber conforms perfectly to the shape of the screw, ensuring an optimal seal.

[Package Contents] The kit contains 200 rubber seals.

These washers have an inner diameter of 6.3 mm, an outer diameter of 16 mm, and a thickness of 3 mm, making them easy to install and suitable for everyday use. [Numerous Applications] These neoprene washers can be used to fasten sheet metal, roofing elements, and walls. Compatible with self-tapping screws, they are widely used in household appliances, industrial machinery, and residential construction.