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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.0.375 in.0.125 in.#4Low Carbon Steel - SoftZinc & Black44000Part Detail/Quote
0.130 in.0.375 in.0.032 in.#4Low Carbon Steel - SoftZinc & Black51400Part Detail/Quote
0.130 in.0.375 in.0.032 in.#4Low Carbon Steel - SoftZinc & Black0Part Detail/Quote
0.130 in.0.375 in.0.060 in.#4Low Carbon Steel - SoftZinc & Black0Part Detail/Quote
0.140 in.0.375 in.0.062 in.#5Low Carbon Steel - SoftZinc & Black1800Part Detail/Quote
0.149 in.0.375 in.0.031 in.#5Low Carbon Steel - SoftZinc & Black0Part Detail/Quote
0.150 in.0.375 in.0.045 in.#6Stainless - 300 SeriesZinc & Black118300Part Detail/Quote
0.156 in.0.375 in.0.030 in.#6Low Carbon Steel - SoftZinc & Black0Part Detail/Quote
0.156 in.0.375 in.0.032 in.#6Stainless - 300 SeriesZinc & Black114600Part Detail/Quote
0.156 in.0.375 in.0.035 in.#6Low Carbon Steel - SoftZinc & Black0Part Detail/Quote
0.156 in.0.375 in.0.042 in.#6Low Carbon Steel - SoftZinc & Black5000Part Detail/Quote
0.165 in.0.375 in.0.047 in.#6Low Carbon Steel - SoftZinc & Black162400Part Detail/Quote
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