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Domestic Flat Washers | Stainless Steel & Bronze

Flat washers are utilized in the construction and assembly industry to boost efficiency and protect fragile surfaces. Domestic flat washers are utilized to ensure a safe distribution of weight while applying a bolt. In addition, stainless steel flat washers are also designed to eliminate corrosion issues that are common on metallic surfaces. Willie Washer offers a large selection of domestic flat washers in materials such as stainless steel, bronze, and nylon. 

Nylon flat washers are embedded directly under machine screws to help eliminate excess noise. USS and SAE washers are the two most common flat washers used. SAE flat Washers are Type A narrow, with a smaller OD size and are thinner than the typical USS washers. USS flat washers, on the other hand, are Type A wide washers. Willie Washers has a wide range of materials and finishes for both USS and SAE washers from which you can choose. We also offer other types of washers and parts such as clipped OD washers, D shaped ID washers, slotted square washers, and fender washers. Our catalog of stampings, machined parts, and washers are made with high-quality materials to meet your requirements.

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Inner Diameter (ID)Outer Diameter (OD)Thickness (T)Bolt Size (Inch)MaterialFinishStockRequest a Quote
0.127 in.0.187 in.0.005 in.#4Low Carbon Steel - SoftZinc & Clear4500Part Detail/Quote
0.128 in.0.187 in.0.003 in.#4Stainless - 300 Series15500Part Detail/Quote
0.128 in.0.187 in.0.005 in.#4Spring Steel - Hard6001Part Detail/Quote
0.128 in.0.187 in.0.005 in.#4Bronze13480Part Detail/Quote
0.128 in.0.187 in.0.007 in.#4Spring Steel - Hard27001Part Detail/Quote
0.128 in.0.187 in.0.053 in.#4Aluminum1176Part Detail/Quote
0.130 in.0.187 in.0.014 in.#4Stainless - 300 Series0Part Detail/Quote
0.133 in.0.187 in.0.015 in.#5Stainless - 300 Series10501Part Detail/Quote
0.133 in.0.187 in.0.015 in.#5Stainless - 300 Series1001Part Detail/Quote
0.144 in.0.187 in.0.010 in.#5Stainless - 300 Series50000Part Detail/Quote
0.000 in.0.188 in.0.064 in.Brass564Part Detail/Quote
0.054 in.0.188 in.0.038 in.Brass22450Part Detail/Quote
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