R & B Plastics specializes in high-performance custom machined plastic washers. We produce a variety of flat washers, used to provide a smooth bearing surface and distribute loads over a wider area. We also offer retaining washers, finishing washers, cup washers, cushioning washers, shoulder washers, and flouroplastic shoulder washers, among others, manufactured to meet our customers' design requirements. Our custom plastic washers are used in a variety of industries, and many of our custom plastic washers are used in the automotive industry. Specific applications for washers used in the automotive industry include gaskets, transmissions, fuel injectors, radiators and more. R & B plastics has the experience and capabilities to provide washers for all applications within the automotive industry.