Flat Washers

Willie Washer is a leading manufacturer of flat washers, offering precision-engineered components for a wide range of industrial applications. Round flat washers are the most common type of washers, and they have the most uses. Search our extended catalog of flat washers to find the right product for your application.

For better performance, try filtering by material and finish before searching by size.

Shop By
Material Finish Bolt Size (Metric) Bolt Size (Standard) Inside Diameter Outside Diameter Thickness Quantity in Stock Request a Quote
View Low Carbon Steel Plain 0.000 4.015 0.134 0 Add to Quote
View Low Carbon Steel Plain 0.000 4.031 0.119 0 Add to Quote
View Low Carbon Steel Plain 0.000 4.050 0.036 9400 Add to Quote
View Low Carbon Steel Plain 0.000 4.074 0.119 0 Add to Quote
View Low Carbon Steel Plain 0.000 4.080 0.06 0 Add to Quote
View Copper Plain 0.000 4.250 0.025 3787 Add to Quote
View Copper Plain 0.000 4.250 0.03 19110 Add to Quote
View Aluminum Plain 0.000 4.250 0.05 1050 Add to Quote
View Low Carbon Steel Plain 0.000 4.250 0.075 0 Add to Quote
View Stainless Steel - 316 Plain 0.000 4.250 0.125 10 Add to Quote
View Low Carbon Steel Plain 0.000 4.250 0.187 0 Add to Quote
View Stainless Steel - 316 Plain 0.000 4.250 0.187 0 Add to Quote

The Best Provider of Special Washers
& Stampings in the Fastener Industry

Custom Flat Washers for Any Industry

We specialize in producing custom flat washers tailored to meet the unique needs of various industries. Our manufacturing facility features advanced CNC turning machines, laser cutting equipment, and a fully integrated tooling department, allowing us to produce washers in an extensive range of sizes, shapes, and materials.

Willie Washer stocks over 60,000 different special washers for same-day shipments. Check our inventory for various sizes, shapes, materials, and finishes. We can also produce flat washers with custom inner and outer diameters, thickness variations, and specialty edge treatments for unique applications. Our plain washers and specialty designs are popular in industries such as aerospace, agricultural, automotive, construction, electrical, and heavy machinery.

Warehouse with materials for manufacturing custom washers

Material and Finishing Options

Our flat washers are available in a variety of materials to suit different application requirements.

  • Brass and bronze for conductivity
  • Aluminum and copper for lightweight applications
  • Specialty alloys

Precision Manufacturing and Quality Assurance

We ensure strict quality control throughout our manufacturing process to ensure every washer meets precise standards. Our ISO 9001:2015 certification guarantees that each washer is accurate and consistent. With a warehouse stocked with over 8,000,000 pounds of raw material and a self-contained tooling department featuring the latest EDM and CNC equipment, we have the resources to handle high-volume production efficiently.

Fast Turnaround and Reliable Supply

We understand that businesses need dependable suppliers with quick turnaround times. Many of our flat washers are available for same-day shipping. Custom production runs depend on design complexity, with standard lead times as short as 4 weeks.

Work With Willie Washer for Custom Flat Washers

If you need high-quality flat washers, or a custom option made to your exact specifications, Willie Washer is your trusted manufacturing partner. Contact our team today to discuss your project requirements, request a quote, or check our in-stock options.

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