Precision-Made Stainless Steel Washer: This EXTSW washer is crafted from premium 316 alloy stainless steel, ensuring durability and resistance to corrosion. With an actual size of .570" ID x 1.115" OD x .250" Thick (±.003 on all dimensions), it's precision-engineered to fit your needs perfectly.

Smooth Edges for Safety: The washer features a .030" inch radius on the OD and a countersunk ID, eliminating sharp edges for safe handling and installation.

Made in the USA: Proudly manufactured in the United States using state-of-the-art CNC lathe technology, this washer guarantees high-quality craftsmanship.

Perfect Fit for Your Bolts: Designed as a beautiful fit for your 9/16” stainless bolts, this washer is the ideal choice for your projects.

Custom Sizing Available: If you require a custom-sized washer, don't hesitate to contact us. We're here to meet your specific requirements.

Alloy Clarity: Unlike some competitors who list their products as 18-8 or just stainless steel without specifying the alloy, we are transparent about our materials. We use 304 stainless steel alloy, which is not the same as 18-8 or other unspecified alloys.