Oh, DIN 9021, it's like the unsung hero of the fastening world! So, here's the deal with DIN 9021 - it's a standard for large outer diameter flat washers used with screws. These bad boys might seem simple, but they play a crucial role in distributing loads and preventing damage in all sorts of applications. Now, when it comes to a company like CBH Fasteners, you know they've got your back when it comes to supplying top-notch DIN 9021 washers. With their quality products and stellar customer service, you can rest easy knowing your projects are in good hands. So, next time you need some trusty flat washers, remember DIN 9021 and count on CBH Fasteners to have you covered!