Standard Flat Washers - General-Purpose Washers in All Sizes & Materials

Standard washers are the most widely used fastener components across industrial, commercial, and consumer applications, providing reliable load distribution, surface protection, and joint stability. Superior Washer & Gasket Corp supplies standard flat washers in a comprehensive range of sizes and materials-including steel, stainless steel, brass, aluminum, copper, and nylon-from one of the largest domestic washer inventories available.

As an ISO 9001:2015 certified washer manufacturer, we maintain broad inventory of standard washers for fast delivery and offer custom washer production for non-standard sizes and materials. Whether you need standard SAE or USS washers or custom flat washers in specialty materials, our washer supply capabilities deliver consistent quality made in the U.S.A.

SAE and USS standard washer sizes in stock
Steel, stainless steel, brass, aluminum, and nylon options
Custom standard and special washers available
ISO 9001:2015 certified quality management
Made in the U.S.A. with fast delivery

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Showing 901–950 of 1,322 products

SKU	ID	OD	Thickness	Material	Size	Quantity
S-3/4TYBN	ID 0.812	OD 1.375	Thickness 0.1	Material Steel	Size 3/4	Quantity
S-3/4TYBR	ID 0.812	OD 2.0	Thickness 0.1	Material Steel	Size 3/4	Quantity
S-3/4TYBW	ID 0.812	OD 2.5	Thickness 0.16	Material Steel	Size 3/4	Quantity
S-3/4USS	ID 0.187	OD 2.0	Thickness Not available	Material Steel Zinc	Size 3/4	Quantity
S-3/8TYAN	ID 0.406	OD 0.812	Thickness 0.065	Material Steel	Size 3/8	Quantity
S-3/8TYAW	ID 0.438	OD 1.0	Thickness 0.083	Material Steel	Size 3/8	Quantity
S-3/8TYBN	ID 0.406	OD 0.734	Thickness 0.063	Material Steel	Size 3/8	Quantity
S-3/8TYBR	ID 0.406	OD 1.0	Thickness 0.063	Material Steel	Size 3/8	Quantity
S-3/8TYBW	ID 0.406	OD 1.25	Thickness 0.1	Material Steel	Size 3/8	Quantity
S-3/8USS	ID 0.437	OD 1.0	Thickness Not available	Material Steel Zinc	Size 3/8	Quantity
S-3TYBN	ID 0.109	OD 0.219	Thickness 0.025	Material Steel	Size 3	Quantity
S-3TYBR	ID 0.109	OD 0.312	Thickness 0.032	Material Steel	Size 3	Quantity
S-3TYBW	ID 0.109	OD 0.406	Thickness 0.04	Material Steel	Size 3	Quantity
S-4MSZ	ID 0.125	OD 0.28	Thickness 0.026	Material Steel Zinc Plated	Size 00	Quantity
S-4TYA	ID 0.125	OD 0.312	Thickness 0.032	Material Steel	Size 4	Quantity
S-4TYBN	ID 0.125	OD 0.25	Thickness 0.032	Material Steel	Size 4	Quantity
S-4TYBR	ID 0.125	OD 0.375	Thickness 0.04	Material Steel	Size 4	Quantity
S-4TYBW	ID 0.125	OD 0.438	Thickness 0.04	Material Steel	Size 4	Quantity
S-5/16TYAN	ID 0.344	OD 0.688	Thickness 0.065	Material Steel	Size 5/16	Quantity
S-5/16TYAW	ID 0.375	OD 0.875	Thickness 0.083	Material Steel	Size 5/16	Quantity
S-5/16TYBN	ID 0.344	OD 0.625	Thickness 0.063	Material Steel	Size 5/16	Quantity
S-5/16TYBR	ID 0.344	OD 0.875	Thickness 0.063	Material Steel	Size 5/16	Quantity
S-5/16TYBW	ID 0.344	OD 1.125	Thickness 0.063	Material Steel	Size 5/16	Quantity
S-5/16USS	ID 0.375	OD 0.875	Thickness Not available	Material Steel Zinc	Size 5/16	Quantity
S-5/8TYAN	ID 0.656	OD 1.312	Thickness 0.095	Material Steel	Size 5/8	Quantity
S-5/8TYAW	ID 0.688	OD 1.75	Thickness 0.134	Material Steel	Size 5/8	Quantity
S-5/8TYBN	ID 0.656	OD 1.25	Thickness 0.1	Material Steel	Size 5/8	Quantity
S-5/8TYBR	ID 0.656	OD 1.75	Thickness 0.1	Material Steel	Size 5/8	Quantity
S-5/8TYBW	ID 0.656	OD 2.25	Thickness 0.16	Material Steel	Size 5/8	Quantity
S-5/8USS	ID 0.687	OD 1.75	Thickness Not available	Material Steel Zinc	Size 5/8	Quantity
S-5MSZ	ID 0.14	OD 0.28	Thickness 0.026	Material Steel Zinc Plated	Size 00	Quantity
S-5TYBN	ID 0.141	OD 0.281	Thickness 0.032	Material Steel	Size 5	Quantity
S-5TYBR	ID 0.141	OD 0.406	Thickness 0.04	Material Steel	Size 5	Quantity
S-5TYBW	ID 0.141	OD 0.5	Thickness 0.04	Material Steel	Size 5	Quantity
S-6MSZ	ID 0.15	OD 0.375	Thickness 0.032	Material Steel Zinc Plated	Size 00	Quantity
S-6TYA	ID 0.156	OD 0.375	Thickness 0.049	Material Steel	Size 6	Quantity
S-6TYBN	ID 0.156	OD 0.312	Thickness 0.032	Material Steel	Size 6	Quantity
S-6TYBR	ID 0.156	OD 0.438	Thickness 0.04	Material Steel	Size 6	Quantity
S-6TYBW	ID 0.156	OD 0.562	Thickness 0.04	Material Steel	Size 6	Quantity
S-7/16TYAN	ID 0.469	OD 0.922	Thickness 0.065	Material Steel	Size 7/16	Quantity
S-7/16TYAW	ID 0.5	OD 1.25	Thickness 0.083	Material Steel	Size 7/16	Quantity
S-7/16TYBN	ID 0.469	OD 0.875	Thickness 0.063	Material Steel	Size 7/16	Quantity
S-7/16TYBR	ID 0.469	OD 1.125	Thickness 0.063	Material Steel	Size 7/16	Quantity
S-7/16TYBW	ID 0.469	OD 1.469	Thickness 0.1	Material Steel	Size 7/16	Quantity
S-7/16USS	ID 0.5	OD 1.25	Thickness Not available	Material Steel Zinc	Size 7/16	Quantity
S-7/8TYAN	ID 0.938	OD 1.75	Thickness 0.134	Material Steel	Size 7/8	Quantity
S-7/8TYAW	ID 0.938	OD 2.25	Thickness 0.165	Material Steel	Size 7/8	Quantity
S-7/8TYBN	ID 0.938	OD 1.469	Thickness 0.1	Material Steel	Size 7/8	Quantity
S-7/8TYBR	ID 0.938	OD 2.25	Thickness 0.16	Material Steel	Size 7/8	Quantity
S-7/8TYBW	ID 0.938	OD 2.75	Thickness 0.16	Material Steel	Size 7/8	Quantity

Standard Flat Washers - General-Purpose Washers in All Sizes & Materials

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