Precision-Made in USA: Our EXTSW 5/16” ID x 7/8” OD x 3/16” Thick 316 Stainless Steel Washers are manufactured in the USA using state-of-the-art CNC lathe technology, ensuring top-notch quality and precision.

Exact Dimensions: Actual size is .323 ID x .865” OD x .188 thick (±.003 on all dimensions), providing a perfect fit for your 5/16” stainless steel bolts.

Customizable Options: If you require a custom size washer, just contact us. We are here to cater to your specific needs.

Superior Material: Made from 316 Stainless Alloy, which is known for its weldability and ultimate corrosion resistance. This grade is more expensive and time-consuming to machine than other alloys like 18-8, 303, and 304, but it's the best choice for durability and performance.

Grade Information: Grade 316 is the standard molybdenum-bearing grade, enhancing its corrosion resistance properties.