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Flat Washers

Round flat washers are the most common type of washers supplied and they have the most uses. They are used to span oversized holes, and can spread loads over wider areas. They prevent surface damage and embedment from nuts and bolts, and provide a consistent surface for more predictable joints. They can also be used as shims to compensate for tolerance variations.

Willie Washer stocks over 60,000 different special washers for same day shipments. Check our inventory for various sizes, shapes, materials and finishes.

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Inner Diameter (ID)Outer Diameter (OD)Thickness (T)Bolt Size (Inch)MaterialFinishStockRequest a Quote
0.125 in.0.187 in.0.020 in.#4Low Carbon Steel - SoftZinc & Clear5700Part Detail/Quote
0.125 in.0.187 in.0.020 in.#4Stainless - 300 Series9400Part Detail/Quote
0.125 in.0.187 in.0.031 in.#4Brass16800Part Detail/Quote
0.125 in.0.187 in.0.031 in.#4BrassBlack Oxide103200Part Detail/Quote
0.125 in.0.187 in.0.032 in.#4Low Carbon Steel - Soft0Part Detail/Quote
0.125 in.0.187 in.0.032 in.#4Low Carbon Steel - SoftBlack Oxide0Part Detail/Quote
0.125 in.0.187 in.0.032 in.#4Low Carbon Steel - SoftZinc & Clear0Part Detail/Quote
0.125 in.0.187 in.0.032 in.#4Stainless - 300 Series0Part Detail/Quote
0.125 in.0.187 in.0.040 in.#4Brass47500Part Detail/Quote
0.125 in.0.187 in.0.040 in.#4BrassBlack Oxide0Part Detail/Quote
0.125 in.0.187 in.0.040 in.#4BrassTin27001Part Detail/Quote
0.127 in.0.187 in.0.005 in.#4Low Carbon Steel - Soft59600Part Detail/Quote
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