DIN 436 flat square washers are a type of washer with a square shape that is used to distribute the load of a fastener more evenly. They are commonly used in construction, machinery, and automotive applications for a secure and reliable connection. They are available in various sizes and materials. NSS is excited to be providing our industry leading quality products in convenient retail packaging. Products are available in Small and Medium Pouches, as well as Jars, and Buckets.