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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
0.515 in.0.656 in.0.005 in.1/2Brass2601Part Detail/Quote
0.515 in.0.656 in.0.030 in.1/2Nylon42000Part Detail/Quote
0.515 in.0.656 in.0.031 in.1/2PTFE500Part Detail/Quote
0.520 in.0.660 in.0.040 in.1/2Copper3200Part Detail/Quote
0.517 in.0.669 in.0.082 in.1/2Stainless - 400 Series0Part Detail/Quote
0.515 in.0.671 in.0.031 in.1/2Low Carbon Steel - Case Hard17800Part Detail/Quote
0.515 in.0.671 in.0.060 in.1/2Low Carbon Steel - Soft15001Part Detail/Quote
0.515 in.0.671 in.0.062 in.1/2Aluminum4851Part Detail/Quote
0.515 in.0.675 in.0.025 in.1/2Stainless - 300 Series36500Part Detail/Quote
0.515 in.0.675 in.0.030 in.1/2Aluminum20001Part Detail/Quote
0.515 in.0.675 in.0.469 in.1/2Low Carbon Steel - SoftZinc & Yellow0Part Detail/Quote
0.515 in.0.680 in.0.065 in.1/2Stainless - 300 Series4200Part Detail/Quote
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