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Wave washer Washers

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Hillman Steel Lock Washer
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Hillman 

Steel Lock Washer

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Hillman 1/5-in Zinc-plated Steel Split Lock Washer 10-Count

Hillman 

1/5-in Zinc-plated Steel Split Lock Washer 10-Count

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Hillman Zinc-plated Steel Wave washer Lock Washer 10-Count

Hillman 

Zinc-plated Steel Wave washer Lock Washer 10-Count

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12mm Hot-dipped galvanized Standard Flat Washer

Hillman   12mm Hot-dipped galvanized Standard Flat Washer

Flat washers are great for adding resistance to your bolts and screws to prevent them from boring into the wood and weakening it. These USS coarse threaded washers are galvanized to be corrosion resistant and designed to fit other coarse fit bolts and washers. When selecting a washer, be sure to pick one that matches the fasteners you are already using. Picking a different finish may cause a chemical reaction, weakening your fasteners over time.

10mm Hot-dipped galvanized Standard Flat Washer

Hillman   10mm Hot-dipped galvanized Standard Flat Washer

Flat washers are great for adding resistance to your bolts and screws to prevent them from boring into the wood and weakening it. These USS coarse threaded washers are galvanized to be corrosion resistant and designed to fit other coarse fit bolts and washers. When selecting a washer, be sure to pick one that matches the fasteners you are already using. Picking a different finish may cause a chemical reaction, weakening your fasteners over time.

10mm Zinc-plated Standard Flat Washer

Hillman   10mm Zinc-plated Standard Flat Washer

Flat washers are thin, flat and circular general-purpose washers with a centrally located hole. These zinc USS flat washers are great for adding resistance to your coarse thread bolts and/or screws, preventing them from boring into your wooden project and weakening it. Interior or exterior use. Important: use a washer that is the same finish as your bolts and/or screws. Selecting a different finish could cause a chemical reaction, therefore weakening your fasteners over time.

1/4-in x 1-in Zinc-plated Fender Washer

Hillman   1/4-in x 1-in Zinc-plated Fender Washer

Fender washers have a larger surface area than standard flat washers. These washers are used when a larger bearing surface is desired.

Outdoor Accents 8-Count 1.469-in Powder-coated Finishing Washer

Simpson Strong-Tie   Outdoor Accents 8-Count 1.469-in Powder-coated Finishing Washer

The Outdoor Accents hex-head washer from Simpson Strong-Tie provides the decorative appearance of a bolt connection. Its patent-pending design enables a much easier installation time compared to through-bolting. The washer is code-listed (IAPMO). It is designed exclusively to fasten Outdoor Accents post bases, T and L straps and angles.

6mm Zinc-plated Standard Flat Washer

Hillman   6mm Zinc-plated Standard Flat Washer

Flat washers are thin, flat and circular general-purpose washers with a centrally located hole. These zinc USS flat washers are great for adding resistance to your coarse thread bolts and/or screws, preventing them from boring into your wooden project and weakening it. Interior or exterior use. Important: use a washer that is the same finish as your bolts and/or screws. Selecting a different finish could cause a chemical reaction, therefore weakening your fasteners over time.

12mm Zinc-plated Standard Flat Washer

Hillman   12mm Zinc-plated Standard Flat Washer

Flat washers are thin, flat and circular general-purpose washers with a centrally located hole. These zinc USS flat washers are great for adding resistance to your coarse thread bolts and/or screws, preventing them from boring into your wooden project and weakening it. Interior or exterior use. Important: use a washer that is the same finish as your bolts and/or screws. Selecting a different finish could cause a chemical reaction, therefore weakening your fasteners over time.

1/2-in Hot-dipped galvanized Steel Split Lock Washer

Hillman   1/2-in Hot-dipped galvanized Steel Split Lock Washer

Engineered to provide more uniform load distribution, split lock washers are great for any indoor/outdoor project. Ideal for situations where potential loosening from corrosion or vibration is a concern, split lock washers are used to prevent nuts and bolts from coming loose. These fasteners contain split ends that help "lock" into the mating material, thus providing a locking feature when tightened beneath a nut. The hot-dipped galvanized finish provides superior corrosion resistance. Use with treated lumber in applications with like nuts and bolts of similar diameter.

8mm Zinc-plated Standard Flat Washer

Hillman   8mm Zinc-plated Standard Flat Washer

Flat washers are thin, flat and circular general-purpose washers with a centrally located hole. These zinc USS flat washers are great for adding resistance to your coarse thread bolts and/or screws, preventing them from boring into your wooden project and weakening it. Interior or exterior use. Important: use a washer that is the same finish as your bolts and/or screws. Selecting a different finish could cause a chemical reaction, therefore weakening your fasteners over time.

16mm Hot-dipped galvanized Standard Flat Washer

Hillman   16mm Hot-dipped galvanized Standard Flat Washer

Flat washers are great for adding resistance to your bolts and screws to prevent them from boring into the wood and weakening it. These USS coarse threaded washers are galvanized to be corrosion resistant and designed to fit other coarse fit bolts and washers. When selecting a washer, be sure to pick one that matches the fasteners you are already using. Picking a different finish may cause a chemical reaction, weakening your fasteners over time.

3/8-in Galvanized/Uncoated Steel Split Lock Washer

Hillman   3/8-in Galvanized/Uncoated Steel Split Lock Washer

Engineered to provide more uniform load distribution, split lock washers are great for any indoor/outdoor project. Ideal for situations where potential loosening from corrosion or vibration is a concern, split lock washer are used to prevent nuts and bolts from coming loose. These fasteners contain split ends that help lock-in into the mating material, thus providing a locking feature when tightened beneath a nut. The hot-dipped galvanized finish provides superior corrosion resistance. Use with treated lumber in applications with like nuts and bolts of similar diameter.

3/8-in x 1-1/2-in Zinc-plated Fender Washer

Hillman   3/8-in x 1-1/2-in Zinc-plated Fender Washer

Fender washers have a larger surface area than standard flat washers. These washers are used when a larger bearing surface is desired.

6mm Hot-dipped galvanized Standard Flat Washer

Hillman   6mm Hot-dipped galvanized Standard Flat Washer

Flat washers are great for adding resistance to your bolts and screws to prevent them from boring into the wood and weakening it. These USS coarse threaded washers are galvanized to be corrosion resistant and designed to fit other coarse fit bolts and washers. When selecting a washer, be sure to pick one that matches the fasteners you are already using. Using a different finish may cause a chemical reaction, weakening your fasteners over time.

16mm Zinc-plated Standard Flat Washer

Hillman   16mm Zinc-plated Standard Flat Washer

Flat washers are thin, flat and circular general-purpose washers with a centrally located hole. These zinc USS flat washers are great for adding resistance to your coarse thread bolts and/or screws, preventing them from boring into your wooden project and weakening it. Interior or exterior use. Important: use a washer that is the same finish as your bolts and/or screws. Selecting a different finish could cause a chemical reaction, therefore weakening your fasteners over time.

Stainless steel Standard Flat Washer

Hillman   Stainless steel Standard Flat Washer

Flat washers are great for adding resistance to your bolts and screws to prevent them from boring into the wood and weakening it. These SAE fine threaded washers are stainless steel to be corrosion resistant and designed to fit other fine fit bolts and washers. When selecting a washer, be sure to pick one that matches the fasteners you are already using. Picking a different finish may cause a chemical reaction, weakening your fasteners over time.

6mm Stainless steel Standard Flat Washer

Hillman   6mm Stainless steel Standard Flat Washer

Flat washers are great for adding resistance to your bolts and screws to prevent them from boring into the wood and weakening it. These SAE fine threaded washers are stainless steel to be corrosion resistant and designed to fit other fine fit bolts and washers. When selecting a washer, be sure to pick One that matches the fasteners you are already using. Picking a different finish may cause a chemical reaction, weakening your fasteners over time.

1/2-in x 2-in Zinc-plated Fender Washer

Hillman   1/2-in x 2-in Zinc-plated Fender Washer

Fender washers have a larger surface area than standard flat washers. These washers are used when a larger bearing surface is desired.

12mm Ceramic Standard Flat Washer

Deck Plus   12mm Ceramic Standard Flat Washer

Mother nature can be tough on your projects. Deck Plus is tougher. Hardware built for results, guaranteed for life.

5/16-in Hot-dipped galvanized Standard Flat Washer

Hillman   5/16-in Hot-dipped galvanized Standard Flat Washer

Flat washers are great for adding resistance to your bolts and screws to prevent them from boring into the wood and weakening it. These USS coarse threaded washers are galvanized to be corrosion resistant and designed to fit other coarse fit bolts and washers. When selecting a washer, be sure to pick one that matches the fasteners you are already using. Picking a different finish may cause a chemical reaction, weakening your fasteners over time.

Find Quality Washers for Added Stability and Secure Fastening

Washers are essential fastening components designed to improve load distribution, protect surfaces and help create more-secure connections. Commonly paired with screws, bolts and nuts, washers are used for a wide range of construction, repair and maintenance projects. Lowe’s offers washers suited for everything from light-duty assemblies to more-demanding applications.

 Benefits of Washers

  • Improved Load Distribution: They help spread pressure across a wide surface area to reduce material damage.
  • Increased Fastening Security: Washers help create tighter, more stable connections when used with screws and bolts. 
  • Wide Project Compatibility: They’re suitable for furniture assembly, automotive repairs, electrical work and general construction.
  • Multiple Washer Options: Rubber washers, flat washers and plastic washers support different performance and application needs.

Key Features of Washers

  • Flat and Specialty Designs: Flat washers provide smooth load distribution, while split washers help resist loosening under vibration. 
  • Tooth Washer Options: External-tooth and internal-tooth washers improve grip and help prevent fasteners from backing out. 
  • Material Variety: They’re available in various options to deliver strength, flexibility or cushioning requirements.
  • Consistent Sizing: Washers are typically manufactured to fit standard screw and bolt diameters for compatibility.
  • Project-Ready Packaging: They’re offered in assorted sizes and quantities for both small repairs and large jobs.

How to Choose Washers 

  • Washer Type: Choose flat washers for load distribution, split washers for vibration resistance, or internal- and external-tooth washers for added grip.
  • Application Needs: Rubber washers can help cushion or seal connections, while plastic washers work well for lightweight or nonconductive uses.
  • Fastener Compatibility: Match the washer size to the diameter of the screw or bolt you’re using.
  • Environmental Conditions: Consider moisture, vibration and temperature when selecting washer styles and materials.
  • Quantity Requirements: Large assortments are helpful for ongoing projects or frequent maintenance work.

Washers play an important role — whether that’s securing fasteners, protecting materials or improving connection strength. Shop online or in store at Lowe’s to find durable washers along with compatible screws, bolts and nuts for your next project.