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    69 Products

    Steel Unthreaded Inserts for Plastic

    Image of Product. Front orientation. Unthreaded Inserts. Steel Unthreaded Inserts for Plastic.
    A zinc-plated finish gives these steel inserts mild corrosion resistance. Also known as compression limiters, they keep screws securely installed even if the surrounding plastic expands or shrinks when the screw is tightened.
    For Screw
    Size
    Lg.
    Lg. Tolerance
    OD
    OD Tolerance
    For Hole Dia.
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Steel
    No. 8
    3/8"-0.006" to 0.000"0.269"-0.004" to 0.000"0.259" to 0.263"2591868A414000000
    No. 8
    1/2"-0.006" to 0.000"0.269"-0.004" to 0.000"0.259" to 0.263"2591868A4150000
    No. 10
    3/8"-0.006" to 0.000"0.311"-0.006" to 0.000"0.299" to 0.303"2591868A41100000
    No. 10
    1/2"-0.006" to 0.000"0.311"-0.006" to 0.000"0.299" to 0.303"2591868A41200000
    No. 10
    5/8"-0.006" to 0.000"0.311"-0.006" to 0.000"0.299" to 0.303"1091868A4130000
    1/4"
    3/8"-0.006" to 0.000"0.381"-0.007" to 0.000"0.368" to 0.372"2591868A21000000
    1/4"
    1/2"-0.006" to 0.000"0.381"-0.007" to 0.000"0.368" to 0.372"2591868A22000000
    1/4"
    5/8"-0.006" to 0.000"0.381"-0.007" to 0.000"0.368" to 0.372"1091868A4160000
    1/4"
    3/4"-0.006" to 0.000"0.381"-0.007" to 0.000"0.368" to 0.372"2591868A23000000
    5/16"
    3/8"-0.008" to 0.000"0.48"-0.012" to 0.000"0.462" to 0.466"2591868A24000000
    5/16"
    1/2"-0.008" to 0.000"0.48"-0.012" to 0.000"0.462" to 0.466"2591868A25000000
    5/16"
    3/4"-0.008" to 0.000"0.48"-0.012" to 0.000"0.462" to 0.466"1091868A26000000
    5/16"
    1"-0.010" to 0.000"0.48"-0.012" to 0.000"0.462" to 0.466"591868A4180000
    3/8"
    3/8"-0.010" to 0.000"0.574"-0.016" to 0.000"0.552" to 0.556"1091868A27000000
    3/8"
    1/2"-0.010" to 0.000"0.574"-0.016" to 0.000"0.552" to 0.556"1091868A28000000
    3/8"
    5/8"-0.006" to 0.000"0.574"-0.016" to 0.000"0.552" to 0.556"591868A4190000
    3/8"
    3/4"-0.010" to 0.000"0.574"-0.016" to 0.000"0.552" to 0.556"591868A29000000
    3/8"
    1"-0.010" to 0.000"0.574"-0.016" to 0.000"0.552" to 0.556"591868A3000000
    3/8"
    1 1/4"-0.010" to 0.010"0.574"-0.016" to 0.000"0.552" to 0.556"591868A42100000
    M4
    8 mm-0.150 mm to 0.000 mm6.75 mm-0.100 mm to 0.000 mm6.5 mm to 6.6 mm2591868A42200000
    M4
    12 mm-0.150 mm to 0.000 mm6.75 mm-0.100 mm to 0.000 mm6.5 mm to 6.6 mm2591868A42400000
    M5
    8 mm-0.150 mm to 0.000 mm8.1 mm-0.150 mm to 0.000 mm7.8 mm to 7.9 mm1091868A4250000
    M5
    10 mm-0.150 mm to 0.000 mm8.1 mm-0.150 mm to 0.000 mm7.8 mm to 7.9 mm1091868A4260000
    M5
    12 mm-0.150 mm to 0.000 mm8.1 mm-0.150 mm to 0.000 mm7.8 mm to 7.9 mm1091868A4270000
    M5
    15 mm-0.150 mm to 0.000 mm8.1 mm-0.150 mm to 0.000 mm7.8 mm to 7.9 mm1091868A4280000
    M6
    10 mm-0.150 mm to 0.000 mm9.33 mm-0.180 mm to 0.000 mm9 mm to 9.1 mm1091868A4290000
    M6
    12 mm-0.150 mm to 0.000 mm9.33 mm-0.180 mm to 0.000 mm9 mm to 9.1 mm1091868A4310000
    M6
    15 mm-0.150 mm to 0.000 mm9.33 mm-0.180 mm to 0.000 mm9 mm to 9.1 mm1091868A4320000
    M6
    20 mm-0.150 mm to 0.000 mm9.33 mm-0.180 mm to 0.000 mm9 mm to 9.1 mm1091868A4330000
    M8
    10 mm-0.200 mm to 0.000 mm12.2 mm-0.300 mm to 0.000 mm11.75 mm to 11.85 mm591868A4340000
    M8
    12 mm-0.200 mm to 0.000 mm12.2 mm-0.300 mm to 0.000 mm11.75 mm to 11.85 mm591868A4350000
    M8
    15 mm-0.200 mm to 0.000 mm12.2 mm-0.300 mm to 0.000 mm11.75 mm to 11.85 mm591868A4360000
    M8
    20 mm-0.200 mm to 0.000 mm12.2 mm-0.300 mm to 0.000 mm11.75 mm to 11.85 mm591868A4370000
    M8
    25 mm-0.200 mm to 0.000 mm12.2 mm-0.300 mm to 0.000 mm11.75 mm to 11.85 mm591868A4380000
    M10
    10 mm-0.250 mm to 0.000 mm15.07 mm-0.420 mm to 0.000 mm14.5 mm to 14.6 mm591868A4390000
    M10
    15 mm-0.250 mm to 0.000 mm15.07 mm-0.420 mm to 0.000 mm14.5 mm to 14.6 mm591868A4420000
    M10
    20 mm-0.250 mm to 0.000 mm15.07 mm-0.420 mm to 0.000 mm14.5 mm to 14.6 mm591868A4430000
     

    Aluminum Unthreaded Inserts for Plastic

    Image of Product. Front orientation. Unthreaded Inserts. Aluminum Unthreaded Inserts for Plastic.
    These aluminum inserts are lightweight, nonmagnetic, and mildly corrosion resistant. Also known as compression limiters, they keep screws securely installed even if the surrounding plastic expands or shrinks when the screw is tightened.
    For Screw
    Size
    Lg.
    Lg. Tolerance
    OD
    OD Tolerance
    For Hole Dia.
    Pkg.
    Qty.
    Pkg.
    Aluminum
    No. 4
    1/8"-0.006" to 0.000"0.219"-0.006" to 0.000"0.221" to 0.224"1093729A10000000
    No. 4
    0.187"-0.006" to 0.000"0.219"-0.006" to 0.000"0.221" to 0.224"1093729A10100000
    No. 6
    1/8"-0.006" to 0.000"0.255"-0.006" to 0.000"0.256" to 0.259"1093729A1020000
    No. 6
    1/4"-0.006" to 0.000"0.255"-0.006" to 0.000"0.256" to 0.259"593729A1030000
    No. 8
    0.156"-0.006" to 0.000"0.28"-0.006" to 0.000"0.281" to 0.284"1093729A10400000
    No. 8
    1/4"-0.006" to 0.000"0.28"-0.006" to 0.000"0.281" to 0.284"593729A1050000
    No. 10
    0.187"-0.006" to 0.000"0.34"-0.006" to 0.000"0.341" to 0.344"593729A1060000
    No. 10
    1/4"-0.006" to 0.000"0.34"-0.006" to 0.000"0.341" to 0.344"593729A1070000
    1/4"
    1/4"-0.006" to 0.000"0.4"-0.006" to 0.000"0.401" to 0.404"593729A1080000
    1/4"
    0.312"-0.006" to 0.000"0.4"-0.006" to 0.000"0.401" to 0.404"593729A1090000
     

    Brass Unthreaded Inserts for Plastic

    Image of Product. Front orientation. Unthreaded Inserts. Brass Unthreaded Inserts for Plastic.
    Made from brass, these inserts are nonmagnetic, mildly corrosion resistant, and electrically conductive. Also known as compression limiters, they keep screws securely installed even if the surrounding plastic expands or shrinks when the screw is tightened.
    For Screw
    Size
    Lg.
    Lg. Tolerance
    OD
    OD Tolerance
    For Hole Dia.
    Pkg.
    Qty.
    Pkg.
    Brass
    No. 4
    1/8"-0.006" to 0.000"0.244"0.000" to 0.006"0.245" to 0.248"1091999A100000000
    No. 4
    0.187"-0.006" to 0.000"0.244"0.000" to 0.006"0.245" to 0.248"591999A1010000
    No. 6
    1/8"-0.006" to 0.000"0.268"0.000" to 0.006"0.269" to 0.272"1091999A10200000
    No. 6
    1/4"-0.006" to 0.000"0.268"0.000" to 0.006"0.269" to 0.272"591999A1030000
    No. 8
    0.156"-0.006" to 0.000"0.304"0.000" to 0.006"0.305" to 0.308"591999A1040000
    No. 8
    1/4"-0.006" to 0.000"0.304"0.000" to 0.006"0.305" to 0.308"591999A1050000
    No. 10
    0.187"-0.006" to 0.000"0.364"0.000" to 0.006"0.365" to 0.368"591999A1060000
    No. 10
    1/4"-0.006" to 0.000"0.364"0.000" to 0.006"0.365" to 0.368"591999A1070000
    1/4"
    1/4"-0.006" to 0.000"0.436"0.000" to 0.006"0.437" to 0.44"591999A1080000
    1/4"
    0.312"-0.006" to 0.000"0.436"0.000" to 0.006"0.437" to 0.44"591999A1090000
     

    Unthreaded Inserts for Metal

    Image of Product. Front orientation. Unthreaded Inserts. Unthreaded Inserts for Metal.
    Protect bolts from sideways (shear) pressure. Made of zinc-plated steel, they have mild corrosion resistance. The ends are beveled to make insertion easier.
    For Screw
    Size
    Lg.
    Lg. Tolerance
    OD
    OD Tolerance
    For Hole Dia.
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Steel
    1/4"
    1/2"-0.030" to 0.000"0.335"-0.010" to 0.000"0.315" to 0.32"2597305A10000000
    1/4"
    3/4"-0.030" to 0.000"0.335"-0.010" to 0.000"0.315" to 0.32"2597305A11000000
    1/4"
    1"-0.030" to 0.000"0.335"-0.010" to 0.000"0.315" to 0.32"1097305A1200000
    5/16"
    1/2"-0.030" to 0.000"0.411"-0.010" to 0.000"0.391" to 0.396"1097305A2000000
    5/16"
    3/4"-0.030" to 0.000"0.411"-0.010" to 0.000"0.391" to 0.396"1097305A2100000
    5/16"
    1"-0.030" to 0.000"0.411"-0.010" to 0.000"0.391" to 0.396"1097305A2200000
    3/8"
    3/4"-0.030" to 0.000"0.489"-0.010" to 0.000"0.469" to 0.474"1097305A3300000
    3/8"
    1"-0.030" to 0.000"0.489"-0.010" to 0.000"0.469" to 0.474"1097305A34000000
    3/8"
    1 1/4"-0.030" to 0.000"0.489"-0.010" to 0.000"0.469" to 0.474"597305A3500000
    1/2"
    1"-0.030" to 0.000"0.65"-0.010" to 0.000"0.63" to 0.635"597305A4000000
    1/2"
    1 1/4"-0.030" to 0.000"0.65"-0.010" to 0.000"0.63" to 0.635"597305A4100000
    1/2"
    1 1/2"-0.030" to 0.000"0.65"-0.010" to 0.000"0.63" to 0.635"197305A4200000
     
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