Copper Sealing Washers, M4

Hard rolled copper washers

Plain washers in various sizes - M3, M4, M5, M6, M10 and M12
Internal diameters from 3.0 mm to 12.5 mm
Outer diameters from 6.7 mm to 15.9 mm

RS PRO washers are an essential part of any fastener assembly. They decrease the surface load when joining materials, meaning there is less pressure on the material, resulting in a decrease chance of wear and tear over time. You can use them to make maintenance easier by allowing for smoother loosening and tightening of components. Plain washers are commonly used in many electronic, food, chemical and construction applications.

FAQs
How Do Washers Work?
RS PRO washers are important for any fastener assembly, as they serve to incorporate spacing and distribute load when placed between a nut and bolts. These washers will help prevent wear and distortion of installation surfaces over time.
What Types Of Washer Are Available?
Plain or Flat washers are available in different materials, finishes and thicknesses from 0.3 mm to 5 mm. Washers are also available with various inside and outside diameters. Depending on application and environment, there are specific attributes that must be considered when selecting the correct washer. For example, stainless steel offers good corrosion resistance making it suitable for outdoor applications. Other materials include brass, ceramic, steel, stainless steel.

Why RS PRO?
RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.