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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.

Set Descending Direction
Inner Diameter (ID)Outer Diameter (OD)Thickness (T)Bolt Size (Inch)MaterialFinishStockRequest a Quote
0.390 in.0.625 in.0.032 in.3/8Low Carbon Steel - SoftCadmium & Yellow15500Part Detail/Quote
0.390 in.0.625 in.0.062 in.3/8Low Carbon Steel - SoftCadmium & Yellow1200Part Detail/Quote
0.390 in.0.625 in.0.063 in.3/8Low Carbon Steel - SoftCadmium & Yellow8685Part Detail/Quote
0.406 in.0.625 in.0.005 in.3/8BrassCadmium & Yellow9000Part Detail/Quote
0.406 in.0.625 in.0.062 in.3/8Spring Steel - HardCadmium & Yellow26589Part Detail/Quote
0.504 in.0.625 in.0.562 in.Low Carbon Steel - SoftCadmium & Yellow10Part Detail/Quote
0.294 in.0.638 in.0.060 in.1/4Low Carbon Steel - SoftCadmium & Yellow2200Part Detail/Quote
0.203 in.0.640 in.0.060 in.#10Low Carbon Steel - SoftCadmium & Yellow5220Part Detail/Quote
0.437 in.0.649 in.0.007 in.3/8Low Carbon Steel - SoftCadmium & Yellow501Part Detail/Quote
0.437 in.0.649 in.0.010 in.3/8Low Carbon Steel - SoftCadmium & Yellow33250Part Detail/Quote
0.437 in.0.649 in.0.020 in.3/8Low Carbon Steel - SoftCadmium & Yellow2301Part Detail/Quote
0.438 in.0.649 in.0.007 in.3/8Low Carbon Steel - SoftCadmium & Yellow0Part Detail/Quote
Set Descending Direction