Shop rubber washers with a 1" inside diameter in all seven materials — Neoprene, EPDM, Nitrile, Silicone, Natural Rubber, Viton and Fiber — in thicknesses from 1/16" to 1/2". Ideal for larger bolts, flanges, mounts and heavy-duty sealing. Fast shipping and bulk pricing on every order.
New to sizing? Our size guide explains OD, ID and thickness, and the material guide helps you match the compound to your job. You can also shop by 1" outside diameter or browse the full catalog.
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