Metric Stainless Steel Washers - Corrosion-Resistant Metric Flat Washers

Metric stainless steel washers provide exceptional corrosion resistance and strength for metric fastener assemblies in marine, food processing, chemical, and outdoor environments. Superior Washer & Gasket Corp manufactures metric stainless steel flat washers in 304, 316, and other grades to DIN and ISO standards, with custom metric sizes available.

Our ISO 9001:2015 certified facility supplies metric stainless steel washers from stock inventory and produces custom metric stainless washers for specialized applications. All stainless steel washers are made in the U.S.A. with full material certifications available.

Metric stainless steel washers in 304 and 316 grades
DIN and ISO standard sizes in stock
Custom metric stainless steel flat washers to specification
ISO 9001:2015 certified quality assurance
Made in the U.S.A.

Showing 601–650 of 4,971 products

SKU	ID (MM)	OD (MM)	Thickness (MM)	Material	ID MM TOL	OD MM TOL	Quantity
630-2742	ID (MM) 3.581	OD (MM) 11.1	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2743	ID (MM) 3.581	OD (MM) 11.1	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2744	ID (MM) 3.581	OD (MM) 11.1	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2745	ID (MM) 3.581	OD (MM) 11.1	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2746	ID (MM) 3.581	OD (MM) 11.1	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2747	ID (MM) 3.581	OD (MM) 11.1	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2748	ID (MM) 3.581	OD (MM) 11.1	Thickness (MM) 1.27	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2749	ID (MM) 3.581	OD (MM) 11.1	Thickness (MM) 1.524	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2750	ID (MM) 3.581	OD (MM) 11.1	Thickness (MM) 1.981	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2751	ID (MM) 3.581	OD (MM) 11.1	Thickness (MM) 2.286	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2752	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2753	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2754	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2755	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2756	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2757	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2758	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2759	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 1.27	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2760	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 1.524	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2761	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 1.981	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2762	ID (MM) 3.581	OD (MM) 12.7	Thickness (MM) 2.286	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2763	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2764	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2765	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2766	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2767	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2768	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2769	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2770	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 1.27	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2771	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 1.524	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2772	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 1.981	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2773	ID (MM) 3.581	OD (MM) 14.275	Thickness (MM) 2.286	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2774	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2775	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2776	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2777	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2778	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2779	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2780	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2781	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 1.27	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2782	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 1.524	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2783	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 1.981	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2784	ID (MM) 3.581	OD (MM) 15.875	Thickness (MM) 2.286	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2787	ID (MM) 3.581	OD (MM) 19.05	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2788	ID (MM) 3.581	OD (MM) 19.05	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2789	ID (MM) 3.581	OD (MM) 19.05	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2790	ID (MM) 3.581	OD (MM) 19.05	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2791	ID (MM) 3.581	OD (MM) 19.05	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2798	ID (MM) 3.581	OD (MM) 22.225	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2799	ID (MM) 3.581	OD (MM) 22.225	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity

Metric Stainless Steel Washer Frequently Asked Questions

Below are answers to some of the most common questions about metric stainless steel washers.

What are metric stainless steel washers?
Metric stainless steel washers are flat washers manufactured from austenitic stainless steel (typically Type 301, 302, or 304), dimensioned in millimeters for metric fastener assemblies. They offer excellent corrosion resistance without coatings or plating, making them the preferred metric washer choice for outdoor, marine, food service, pharmaceutical, and other corrosive environments where metric fasteners are specified.

What stainless steel grade do your metric washers use?
Superior Washer metric stainless steel washers are manufactured from Type 301, Type 302, or Type 304 austenitic stainless steel. All three grades provide reliable corrosion resistance for most applications, with Type 301 offering higher strength for formed or spring-style configurations. For elevated chloride environments such as marine or coastal exposure, metric 316 stainless steel washers offer superior chloride resistance and can be produced to order.

What metric sizes are your stainless steel washers available in?
Superior Washer stocks metric stainless steel washers in standard DIN 125, DIN 9021, and ISO 7089/7090 sizes to fit M2 through M30 and larger metric fasteners. The catalog covers a broad range of thicknesses for both narrow and wide-OD metric washer configurations. Custom metric sizes are available to order.

When should I use metric stainless steel washers instead of metric zinc-plated steel?
Metric stainless steel washers provide inherent, permanent corrosion resistance that does not depend on a coating. Metric zinc-plated steel washers will corrode when the zinc is scratched, worn, or exposed to chlorides or prolonged moisture. For outdoor, marine, food processing, medical, or long-term service applications, stainless steel is the correct choice.

Can you produce custom metric stainless steel washers?
Yes. We manufacture custom metric stainless steel washers to your exact millimeter OD, ID, and thickness specifications. Contact us via the Quick Quote form or call NY (631) 273-8282 or SC (803) 366-3250.

Are your metric stainless steel washers made in the USA?
Yes. All metric stainless steel washers are manufactured in the United States under our ISO 9001:2015 certified Quality Management System. Material certifications are available upon request.

Need a different metric material? We also stock brass, copper, nylon, and more in metric sizing. Browse the full flat washers catalog to compare all sizing and material options.