Stainless Steel Standoff Screws. These standoff screws are made of stainless steel and have a 25mm diameter. They are perfect for use with signs, mounting plates, and other applications where a strong and durable standoff is needed. These standoff screws are a great way to add strength and stability to your projects. They are also corrosion-resistant, so they can be used in a variety of environments. Made of stainless steel for durability. 25mm diameter for a secure fit. Corrosion-resistant for use in a variety of environments. Other applications where a strong and durable standoff is needed. We are so confident that you will be satisfied with our standoff screws that we offer a 100% satisfaction guarantee. Order your standoff screws today and see the difference for yourself!