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    4 Products

    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.
    Range
    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
     

    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. 15
    		0.297"0.625"0.036" to 0.044"Material Certificate
    		10092141A224000000
     

    Wave Spring Lock Washers

    Image of Product. Front orientation. Lock Washers. Wave Washer, Spring Lock Washer.
    The wavy shape flexes like a spring to keep nuts and screws secure on slightly uneven surfaces. These washers add a small amount of tension to stop fasteners from backing out due to mild vibration. While they don't hold as well as other lock washers, they do grip slightly better than curved washers. They work best in electrical panels, light fixtures, and other light duty assemblies. Since these washers hold their shape when untightened, you can reuse them a handful of times without losing strength.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these washers won't rust when exposed to moisture. However, they can't hold up to the harsh chemicals that 316 stainless steel can.
    3 Wave—More points of contact than single-wave washers for a better grip.
    Material Certificate Icon
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    For Screw Size
    No. of
    Waves
    ID
    OD
    Thk.
    Overall
    Ht.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    No. 15, No. 16, No. 18, 1/4", 5/16"
    		30.328"0.682"0.010"0.073"1092161A02900000
     
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