Choose these washers for their adherence to strict military standards for material and construction.

Cadmium- and zinc yellow-chromate plated steel washers are corrosion resistant in wet environments.

Aluminum washers are lightweight and have good corrosion resistance. 1100 aluminum washers are made of an aluminum that is commercially pure, so they have excellent corrosion resistance and electrical conductivity. However, they’re not as strong as 2024 aluminum. They are commonly used in the chemical and food processing industry.

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SAE washers generally have a smaller ID and OD than USS washers.

316 stainless steel washers have excellent resistance to chemicals and salt water. They may be mildly magnetic.

18-8 stainless steel washers have good chemical resistance and may be mildly magnetic. Black-oxide washers have a matte-black finish.

Zinc-plated steel washers are corrosion resistant in wet environments.

Hot-dipped galvanized steel washers are 10 times as corrosion resistant as zinc-plated washers.

Black ultra-corrosion-resistant coated steel washers resist chemicals and withstand 1,000 hours of salt spray.

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USS washers generally have a larger ID and OD than SAE washers.

316 stainless steel washers have excellent resistance to chemicals and salt water. They may be mildly magnetic.

18-8 stainless steel washers have good chemical resistance and may be mildly magnetic. Black-oxide washers have a matte-black finish.

Zinc-plated steel washers are corrosion resistant in wet environments.

Hot-dipped galvanized steel washers are 10 times as corrosion resistant as zinc-plated washers.

Black ultra-corrosion-resistant coated steel washers resist chemicals and withstand 1,000 hours of salt spray.

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Also known as Type B washers, these distribute your fastener's load over a larger surface area than other washers to limit damage to soft materials.

18-8 stainless steel washers have excellent corrosion resistance in most environments and may be mildly magnetic.

Zinc-plated steel washers are corrosion resistant in wet environments.

316 stainless steel washers have excellent resistance to chemicals and salt water. They may be mildly magnetic.

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Designed for use with A325 structural screws, studs, and nuts, these washers are often used for construction and exterior building applications.

Hot-dipped galvanized washers are corrosion resistant in wet environments.

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These washers are excellent electrical insulators.

Hard fiber washers resist organic solvents and petroleum-based oils.

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As a screw is tightened, these washers flatten to add tension to the joint and prevent loosening from small amounts of vibration.

316 stainless steel washers have excellent resistance to chemicals and salt water. They may be mildly magnetic.

18-8 stainless steel washers have good chemical resistance and may be mildly magnetic.

Zinc- and zinc yellow-chromate plated steel washers are corrosion resistant in wet environments.

Hot-dipped galvanized steel washers are 10 times as corrosion resistant as zinc- and zinc yellow-chromate plated washers.

Washers that meet ASME B18.21.1 adhere to strict dimensional standards. Steel washers also meet standards for material properties.

For technical drawings and 3-D models, click on a part number.

Choose these washers for their adherence to strict military standards for material and construction. As a screw is tightened, they flatten to add tension to the joint and prevent loosening from small amounts of vibration.

18-8 stainless steel washers have excellent corrosion resistance in most environments. They may be mildly magnetic. Passivated 18-8 stainless steel washers have added protection against oxidation and corrosion.

Cadmium- and zinc yellow-chromate plated steel washers are corrosion resistant in wet environments.

For technical drawings and 3-D models, click on a part number.

Also known as high-collar lock washers, these have smaller outside diameters than standard split lock washers to fit neatly under socket head cap screws. As a screw is tightened, they flatten to add tension to the joint and prevent loosening from small amounts of vibration.

316 stainless steel washers have excellent resistance to chemicals and salt water. They may be mildly magnetic.

Washers that meet ASME B18.21.1 adhere to strict dimensional standards. Steel washers also meet standards for material properties.

For technical drawings and 3-D models, click on a part number.

Compared to standard split lock washers, these are thicker and have larger outside diameters. As a screw is tightened, they flatten to add tension to the joint and prevent loosening from small amounts of vibration.

Steel washers are known for their strength. They're zinc yellow-chromate plated for corrosion resistance in wet environments.

Washers that meet ASME B18.21.1 adhere to strict dimensional standards. Steel washers also meet standards for material properties.

For technical drawings and 3-D models, click on a part number.

Internal teeth dig into the screw head while the smooth outside edge won't snag objects. These washers provide greater vibration resistance than split lock washers. Use with fasteners that have small heads, such as fillister and cheese head screws.

Zinc-plated steel washers are corrosion resistant in wet environments.

Washers that meet ASME B18.21.1 adhere to strict dimensional standards. The zinc-plated steel washers also meet standards for material properties.

For technical drawings and 3-D models, click on a part number.

Choose these washers for their adherence to strict military standards for material and construction. Internal teeth dig into the screw head while the smooth outside edge won't snag objects. These washers provide greater vibration resistance than split lock washers. Use with fasteners that have small heads, such as fillister and cheese head screws.

Cadmium-plated steel washers are corrosion resistant in wet environments.

For technical drawings and 3-D models, click on a part number.

Also known as conical washers, these have a slightly cupped shape that gives them spring-like flexibility to grip tighter than split and tooth lock washers. They minimize loosening from wear, temperature changes, and vibration. Load-rated Belleville disc springs are also available.

Zinc-plated steel washers have an outer layer of zinc that protects the inner steel from rust in wet environments and extends the life of the washer.

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Also known as NORD-LOCK® washers, these two-piece washers provide more locking power than split, tooth, and spring lock washers. Wedges on the inside lock the two pieces together, and serrations on the exterior grip surfaces to resist loosening from high vibration and shifting. Washers are reusable.

316 stainless steel washers have excellent resistance to chemicals and salt water. They may be mildly magnetic.

Zinc-flake-coated steel washers are corrosion resistant in wet environments.

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Also known as spherical washers, these consist of a male and female washer that, when nested, swivel slightly to compensate for tolerance variations and uneven surfaces. They're good for die and fixturing applications.

18-8 stainless steel washers have good chemical resistance and may be mildly magnetic.

Black-oxide steel washers are mildly corrosion resistant in dry environments.

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These polyurethane washers withstand wet conditions as well as sunlight, ozone, and some chemicals. Use them to cushion joints and damp vibration.

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These wool felt washers can be soaked with oil to lubricate joints. Use them to cushion joints and damp vibration.

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