Precision-Made 304 Stainless Steel Washer

Our EXTSW washer is crafted with a precise internal diameter of .323", an external diameter of 1.115", and a thickness of .250". Each dimension is manufactured within a tolerance of +/- .003, ensuring a perfect fit for your projects.

Smooth Edges for Safety

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

Made in the USA

This high-quality washer is manufactured in the USA using state-of-the-art CNC lathe technology, ensuring superior quality and precision.

Ideal for 5/16” Stainless Bolts

This washer is an excellent fit for your 5/16” stainless bolts, providing a secure and reliable connection.

Custom Sizing Available

If you require a custom-sized washer, please contact us. We are here to meet your specific needs.

Alloy Clarity: Not Just "Stainless Steel"

We specify that our washers are made from 304 alloy stainless steel, not just generic "stainless steel" or "18-8" which can refer to various alloys. We prioritize transparency in our materials to ensure you get the best product.