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    22 Products

    Easy-Install Slotted Washers

    Slip these washers under screw heads and nuts to quickly install them without having to disassemble your joint. They take the pressure off fasteners to protect mounting surfaces.
    Stainless SteelAbout Stainless Steel
    Image of Product. Front orientation. Washers. Easy-Install Slotted Washers.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these washers resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Slot
    For Screw Size
    OD
    Wd.
    Dp.
    Thk.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    No. 10, No. 12, No. 14, 1/4"
    		1.500"9/32"7/8"0.020" to 0.026"1091080A026000000
    No. 10, No. 12, No. 14, 1/4"
    		1.500"9/32"7/8"0.043" to 0.051"1091080A02400000
    No. 10, No. 12, No. 14, 1/4"
    		1.500"9/32"7/8"0.084" to 0.104"1091080A02800000
     
    Steel
    Image of Product. Front orientation. Washers. Easy-Install Slotted Washers.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Black-Oxide Steel—Typically chosen for their appearance, these washers have a dark, matte coating that creates a finished look. They offer minimal corrosion resistance, so they're best for dry environments.
    Slot
    For Screw Size
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    Wd.
    Dp.
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    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Steel
    No. 10, No. 12, No. 14, 1/4"
    		1.500"9/32"3/4"0.057" to 0.067"2591080A022000000
     
    Black-Oxide Steel
    No. 10, No. 12, No. 14, 1/4"
    		0.750"9/32"1/2"0.240" to 0.260"190339A0310000
    No. 10, No. 12, No. 14, 1/4"
    		1.000"9/32"5/8"0.240" to 0.260"190339A0320000
     

    Washers for Foam Insulation

    Mount insulation board to foundation walls, roofing, and framing. These washers have a large surface that distributes holding pressure evenly, so they won't crush or pull through insulation.
    Galvanized Steel
    Image of Product. Front orientation. Washers. Washers for Foam Insulation, Galvanized Steel.
    More durable than plastic, these washers are strong enough to use with cement board in roofing applications.
    For Screw Size
    ID
    Wd.
    Thk.
    Pkg.
    Qty.
    Pkg.
    No. 12, No. 14, No. 15, 1/4"
    		0.270"2.875"0.019"5090320A350000000
     
    Polypropylene
    Image of Product. Front orientation. Washers. Washers for Foam Insulation, Polypropylene.
    These washers have a large outer diameter that prevents them from pulling through soft insulation.
    Temp.
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    For Screw Size
    ID
    OD
    Thk.
    Min.
    Max.,
    ° F
    Color
    Pkg.
    Qty.
    Pkg.
    No. 12, No. 14, No. 15
    		0.190"3.000"0.260"Not Rated150White2590320A380000000
     

    Sealing Washers

    Prevent leaks while distributing weight evenly under nuts and screws. These washers compress as you tighten to keep air and fluid in, and dust and contaminants out. Use them anywhere you need a tight seal, such as protecting electronics from moisture or keeping lubricants contained in machinery.
    Rubber
    Image of Product. Front orientation. Sealing Washers. Rubber.
    Resist leaks better than metal sealing washers, but are more susceptible to wear and tear. Reuse these washers a handful of times, as long as the material isn't damaged.
    Neoprene—If you're not sure which material best suits your needs, these versatile washers are a great solution. They offer a good balance of strength and flexibility to hold a tight seal, even in wet and outdoor conditions. These washers also withstand salt water and mild chemicals, such as detergents. However, they don't resist oil, grease, or fuel as well as Buna-N washers.
    Oil-Resistant Buna-N—With the best oil resistance of all our rubber washers, these won't swell or soften when they touch oil, grease, or fuel. However, they will break down if exposed to synthetic lubricants.
    Weather-Resistant EPDM—The best choice for outdoor use, these washers withstand long-term exposure to sunlight, rain, and ozone. However, they can't handle oil, grease, or fuel like Buna-N washers can.
    Chemical-Resistant Fluoroelastomer—The best chemical resistance of all our rubber washers. These withstand oil, grease, fuel, solvents, synthetic lubricants, and acids, even at high temperatures. They are also stiffer than other rubber washers, so they are better at distributing weight.
    Temp.
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    Food Industry Std.
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    Neoprene
    No. 14
    		0.230"0.500"0.046" to 0.078"-20180Black—5090133A53000000
    No. 14
    		0.230"0.500"0.062"-30220WhiteFDA Compliant 21 CFR 177.2600
    		5090133A19000000
    No. 14
    		0.230"0.625"0.046" to 0.078"-20180Black—5090133A5400000
    No. 14
    		0.230"0.625"0.062"-30220WhiteFDA Compliant 21 CFR 177.2600
    		5090133A21000000
     
    Oil-Resistant Buna-N
    No. 14
    		0.242"0.500"0.046" to 0.078"-20175WhiteFDA Compliant 21 CFR 177.2600
    		5099082A19000000
    No. 14
    		0.242"0.625"0.046" to 0.078"-20175WhiteFDA Compliant 21 CFR 177.2600
    		5099082A21000000
     
    Weather-Resistant EPDM
    No. 14
    		0.230"0.500"0.047" to 0.077"-50300WhiteFDA Compliant 21 CFR 177.2600
    		5099186A11900000
    No. 14
    		0.230"0.625"0.047" to 0.077"-50300WhiteFDA Compliant 21 CFR 177.2600
    		5099186A12100000
     
    Chemical-Resistant Fluoroelastomer
    No. 14
    		0.230"0.500"0.052" to 0.072"-10400Black—2593412A44500000
    No. 14
    		0.230"0.500"0.062"-20450BlackFDA Compliant 21 CFR 177.2600
    		2590397A19000000
    No. 14
    		0.230"0.625"0.052" to 0.072"-10400Black—1093412A4460000
    No. 14
    		0.230"0.625"0.062"-20450BlackFDA Compliant 21 CFR 177.2600
    		2590397A21000000
     

    General Purpose Washers

    Your go-to metal washer for every screw size. Washers take the pressure off nuts and screws to protect mounting surfaces.
    Material Certificate Icon
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    Stainless SteelAbout Stainless Steel
    Image of Product. Front orientation. Washers. General Purpose Washers.
    Image of Specification. Front orientation. Washers. General Purpose Washers.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these washers resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Material Certificate—Washers include a report with a traceable lot number.
    For Screw
    Size
    ID
    OD
    Thk.
    Certificate Type
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    No. 14
    		0.281"0.563"0.025" to 0.040"Material Certificate
    		10092141A223000000
     

    Bonded Sealing Washers

    Image of Product. Front orientation. Sealing Washers. Bonded Sealing Washers.
    These washers create a stronger seal than metal or rubber alone to lock air and fluid in, while keeping dust and contaminants out. The flexible rubber layer compresses to fill gaps, while the metal backing stops the washer from squeezing through the hole. These washers are a great solution if you have a hole larger than your fastener that you need to seal. Reuse them a handful of times, as long as the material isn't damaged.
    Aluminum and Neoprene—These washers are as corrosion resistant as stainless steel but not as strong.
    Temp.
    Range, ° F
    For Screw
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    ID
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    Aluminum and Neoprene
    No. 14
    		0.275"0.625"0.090" to 0.120"-40250Black5094240A13000000
     
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