McMaster-Carr logo
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    3 Products

    Performance

    Performance

    Fiberglass Washers

    Image of Product. Front orientation. Washers. Fiberglass Washers.
    A lightweight alternative to stainless steel, these fiberglass washers have the best strength-to-weight ratio of all our nonmetal washers. Commonly used to distribute pressure under nuts and screws in building frames, they are a great fit when you need something more robust than plastic, but still have to stay within a certain weight limit.
    Temp.
    Range
    For Screw
    Size
    ID,
    mm
    OD,
    mm
    Thk., mm
    Min.
    Max.,
    ° F
    Color
    Pkg.
    Qty.
    Pkg.
    M1
    		1.13.20.3 to 0.5Not Rated280Light Green5000000000000000

    General Purpose Washers

    Image of Product. Front orientation. Washers. General Purpose Washers.
    Your go-to metal washer for every screw size. Washers take the pressure off nuts and screws to protect mounting surfaces.
    Stainless SteelAbout Stainless Steel
    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.
    For Screw
    Size
    ID,
    mm
    OD,
    mm
    Thk., mm
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    M1
    		1.13.20.2 to 0.4ISO 708910000000000000000
     
    AluminumAbout Aluminum
    One-third the weight of steel, these washers are commonly used in robotics, automation, and other applications that have weight limits. They're an alternative to stainless steel for rust resistance, but aren't as strong.
    For Screw
    Size
    ID,
    mm
    OD,
    mm
    Thk., mm
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Aluminum
    M1
    		1.13.20.2 to 0.4DIN 1251000000000000000
     
    back to top