Flat Washers in Every Size, Material & Tolerance

Flat washers are essential components in fastener assemblies, distributing load evenly across mating surfaces to prevent wear, protect finishes, and ensure joint integrity. As a leading flat washer manufacturer, Superior Washer & Gasket Corp supplies standard washers, large flat washers, and custom flat washers in aluminum, brass, copper, stainless steel, carbon steel, and nylon-manufactured to your exact specifications.

Our ISO 9001:2015 certified quality management system guarantees consistent dimensional accuracy across every order, from prototype quantities to high-volume production runs. Whether you need special flat washers for a unique application or mil-spec flat washers for aerospace and defense, we deliver reliable solutions made in the U.S.A.

Standard and custom flat washer sizes in stock
Wide selection of materials including stainless steel, brass, aluminum, and nylon
ISO 9001:2015 certified manufacturing and quality control
Custom flat washers produced to print or sample
Competitive pricing with fast turnaround

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Showing 21601–21650 of 25,000+ products

SKU	ID (MM)	OD (MM)	Thickness (MM)	Material	ID MM TOL	OD MM TOL	Quantity
630-2631	ID (MM) 3.327	OD (MM) 5.867	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2632	ID (MM) 3.327	OD (MM) 6.096	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2633	ID (MM) 3.327	OD (MM) 6.35	Thickness (MM) 0.889	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2634	ID (MM) 3.327	OD (MM) 6.375	Thickness (MM) 1.473	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2635	ID (MM) 3.327	OD (MM) 6.401	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2636	ID (MM) 3.327	OD (MM) 6.401	Thickness (MM) 1.524	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2637	ID (MM) 3.327	OD (MM) 6.858	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2638	ID (MM) 3.327	OD (MM) 7.112	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2639	ID (MM) 3.327	OD (MM) 7.163	Thickness (MM) 0.737	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2640	ID (MM) 3.327	OD (MM) 7.874	Thickness (MM) 0.914	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2641	ID (MM) 3.327	OD (MM) 7.95	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2642	ID (MM) 3.327	OD (MM) 8.738	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2643	ID (MM) 3.327	OD (MM) 8.89	Thickness (MM) 0.711	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2644	ID (MM) 3.327	OD (MM) 9.398	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2645	ID (MM) 3.327	OD (MM) 9.5	Thickness (MM) 0.406	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2646	ID (MM) 3.353	OD (MM) 6.121	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2647	ID (MM) 3.353	OD (MM) 6.274	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2648	ID (MM) 3.353	OD (MM) 6.35	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2649	ID (MM) 3.353	OD (MM) 6.401	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2650	ID (MM) 3.353	OD (MM) 6.452	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2651	ID (MM) 3.353	OD (MM) 6.655	Thickness (MM) 1.27	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2652	ID (MM) 3.353	OD (MM) 6.883	Thickness (MM) 0.076	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2653	ID (MM) 3.353	OD (MM) 7.087	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2654	ID (MM) 3.353	OD (MM) 7.188	Thickness (MM) 0.813	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2655	ID (MM) 3.353	OD (MM) 7.29	Thickness (MM) 0.483	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2656	ID (MM) 3.353	OD (MM) 7.925	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2657	ID (MM) 3.353	OD (MM) 8.23	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2658	ID (MM) 3.353	OD (MM) 9.55	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2659	ID (MM) 3.353	OD (MM) 13.462	Thickness (MM) 3.023	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2660	ID (MM) 3.353	OD (MM) 16.256	Thickness (MM) 2.413	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2661	ID (MM) 3.353	OD (MM) 18.923	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2662	ID (MM) 3.378	OD (MM) 4.699	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2663	ID (MM) 3.378	OD (MM) 6.071	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2664	ID (MM) 3.378	OD (MM) 9.525	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2665	ID (MM) 3.378	OD (MM) 12.649	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2666	ID (MM) 3.404	OD (MM) 4.648	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2667	ID (MM) 3.404	OD (MM) 5.029	Thickness (MM) 0.051	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2668	ID (MM) 3.404	OD (MM) 5.512	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2669	ID (MM) 3.404	OD (MM) 7.264	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2670	ID (MM) 3.404	OD (MM) 7.722	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2671	ID (MM) 3.404	OD (MM) 9.093	Thickness (MM) 1.499	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2672	ID (MM) 3.404	OD (MM) 9.55	Thickness (MM) 0.406	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2673	ID (MM) 3.404	OD (MM) 11.1	Thickness (MM) 0.813	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2674	ID (MM) 3.429	OD (MM) 7.925	Thickness (MM) 0.838	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2675	ID (MM) 3.429	OD (MM) 9.5	Thickness (MM) 1.499	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2676	ID (MM) 3.454	OD (MM) 6.071	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2677	ID (MM) 3.454	OD (MM) 6.35	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2678	ID (MM) 3.454	OD (MM) 6.452	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2679	ID (MM) 3.454	OD (MM) 6.528	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2680	ID (MM) 3.454	OD (MM) 6.756	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity

Flat Washers in Every Size, Material & Tolerance

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A Special to You is Standard to Us

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