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    11 Products

    Reinforcing Sleeve Washers

    These sleeve washers are a great solution when your nut or screw is harder than the material you're mounting it in. They reinforce the top of the hole to prevent soft material from collapsing as you tighten.
    Stainless SteelAbout Stainless Steel
    Image of Product. Front orientation. Contains Annotated. Washers. Reinforcing Sleeve Washers.
    High-Strength 17-4 PH Stainless Steel—Similar strength to 17-7 stainless steel washers and comparable to high-strength Grade 8 steel. These washers won’t rust in wet and outdoor environments, but they can’t handle the harsh chemicals that 316 stainless steel can.
    Sleeve
    For Screw
    Size
    ID
    OD
    OD
    Ht.
    Thk.
    Overall
    Ht.
    Each
    High-Strength 17-4 PH Stainless Steel
    M10
    0.410"0.790"0.505"0.146"0.098"0.244"000000000000000
     
    Steel
    Image of Product. Front orientation. Contains Annotated. Washers. Reinforcing Sleeve Washers.
    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.
    Sleeve
    For Screw
    Size
    ID
    OD
    OD
    Ht.
    Thk.
    Overall
    Ht.
    Each
    Black-Oxide Steel
    No. 8
    0.177"0.500"0.237"0.223"0.090"0.313"00000000000000
    No. 10
    0.201"0.500"0.261"0.223"0.090"0.313"0000000000000
    1/4"
    0.260"0.562"0.317"0.225"0.090"0.315"0000000000000
    5/16"
    0.322"0.625"0.379"0.215"0.100"0.315"0000000000000
    3/8"
    0.385"0.750"0.442"0.200"0.115"0.315"0000000000000
    3/8"
    0.386"0.875"0.446"0.208"0.120"0.328"0000000000000
    7/16"
    0.447"0.812"0.570"0.290"0.120"0.410"0000000000000
    7/16"
    0.447"0.875"0.528"0.340"0.120"0.460"0000000000000
    1/2"
    0.510"0.875"0.566"0.215"0.120"0.335"0000000000000
    1/2"
    0.515"1.000"0.575"0.193"0.120"0.313"0000000000000
     
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