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 21851–21900 of 25,000+ products

SKU	ID (MM)	OD (MM)	Thickness (MM)	Material	ID MM TOL	OD MM TOL	Quantity
630-2881	ID (MM) 3.734	OD (MM) 7.62	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2882	ID (MM) 3.734	OD (MM) 7.925	Thickness (MM) 0.965	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2883	ID (MM) 3.734	OD (MM) 8.077	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2884	ID (MM) 3.734	OD (MM) 9.982	Thickness (MM) 0.076	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2885	ID (MM) 3.734	OD (MM) 11.43	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2886	ID (MM) 3.734	OD (MM) 15.9	Thickness (MM) 1.549	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2887	ID (MM) 3.759	OD (MM) 7.976	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2888	ID (MM) 3.759	OD (MM) 8.661	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2889	ID (MM) 3.759	OD (MM) 9.576	Thickness (MM) 0.813	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2890	ID (MM) 3.759	OD (MM) 9.652	Thickness (MM) 1.575	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2891	ID (MM) 3.759	OD (MM) 14.427	Thickness (MM) 1.981	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2892	ID (MM) 3.759	OD (MM) 15.748	Thickness (MM) 1.219	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2893	ID (MM) 3.759	OD (MM) 15.875	Thickness (MM) 1.194	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2894	ID (MM) 3.785	OD (MM) 9.474	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2895	ID (MM) 3.785	OD (MM) 11.1	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2896	ID (MM) 3.785	OD (MM) 11.938	Thickness (MM) 0.559	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2897	ID (MM) 3.785	OD (MM) 12.7	Thickness (MM) 0.406	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2898	ID (MM) 3.785	OD (MM) 12.7	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2899	ID (MM) 3.785	OD (MM) 12.7	Thickness (MM) 2.083	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2900	ID (MM) 3.785	OD (MM) 14.3	Thickness (MM) 1.88	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2901	ID (MM) 3.785	OD (MM) 15.977	Thickness (MM) 1.194	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2902	ID (MM) 3.785	OD (MM) 18.974	Thickness (MM) 1.626	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2903	ID (MM) 3.81	OD (MM) 4.724	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2904	ID (MM) 3.81	OD (MM) 5.486	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2905	ID (MM) 3.81	OD (MM) 6.121	Thickness (MM) 0.533	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2906	ID (MM) 3.81	OD (MM) 6.248	Thickness (MM) 0.305	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2907	ID (MM) 3.81	OD (MM) 6.477	Thickness (MM) 0.406	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2908	ID (MM) 3.81	OD (MM) 6.782	Thickness (MM) 0.508	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2909	ID (MM) 3.81	OD (MM) 6.883	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2910	ID (MM) 3.81	OD (MM) 7.036	Thickness (MM) 0.813	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2911	ID (MM) 3.81	OD (MM) 7.112	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2912	ID (MM) 3.81	OD (MM) 7.874	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2913	ID (MM) 3.81	OD (MM) 8.255	Thickness (MM) 0.127	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2914	ID (MM) 3.81	OD (MM) 8.534	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2915	ID (MM) 3.81	OD (MM) 9.525	Thickness (MM) 0.737	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2916	ID (MM) 3.81	OD (MM) 20.218	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2917	ID (MM) 3.835	OD (MM) 6.35	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2918	ID (MM) 3.835	OD (MM) 8.89	Thickness (MM) 1.016	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2919	ID (MM) 3.835	OD (MM) 9.398	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2920	ID (MM) 3.835	OD (MM) 9.474	Thickness (MM) 0.635	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2921	ID (MM) 3.835	OD (MM) 9.474	Thickness (MM) 1.168	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2922	ID (MM) 3.835	OD (MM) 9.728	Thickness (MM) 1.245	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2923	ID (MM) 3.835	OD (MM) 14.986	Thickness (MM) 0.254	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2924	ID (MM) 3.835	OD (MM) 15.799	Thickness (MM) 0.813	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2925	ID (MM) 3.861	OD (MM) 4.674	Thickness (MM) 0.152	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2926	ID (MM) 3.861	OD (MM) 6.172	Thickness (MM) 0.381	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2927	ID (MM) 3.861	OD (MM) 6.401	Thickness (MM) 0.737	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2928	ID (MM) 3.861	OD (MM) 6.934	Thickness (MM) 0.787	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2929	ID (MM) 3.861	OD (MM) 7.087	Thickness (MM) 0.762	Material Stainless Steel	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-2930	ID (MM) 3.861	OD (MM) 7.772	Thickness (MM) 0.127	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

Made in USA

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