McMaster-Carr logo
    Filter by
    System of Measurement
    Thread Size
    Industrial Info Compare
    Shape
    Gender
    Maximum Temperature
    Mount Type
    Voltage Rating
    Color
    Tensile Strength
    Industrial Info Snippet
    Dielectric Strength
    DFARS Specialty Metals
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Minimum Temperature
    Hardness
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Finish
    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)
    39 Products

    Electrical-Insulating Female Threaded Standoffs

    Our best electrically insulating standoffs. They prevent electrical currents from passing through enclosures and conductive surfaces. These standoffs are often installed in circuit-breaker housings and semiconductors.
    Round
    Image of Product. Front orientation. Standoffs. Electrical-Insulating Female Threaded Standoffs, Round.
    Image of Attribute. Fully Threaded. Front orientation. Contains Annotated. Fully Threaded. Electrical-Insulating Female Threaded Standoffs, Round.
    Image of Attribute. Threaded on Both Ends. Front orientation. Threaded on Both Ends. Electrical-Insulating Female Threaded Standoffs, Round.

    Fully

    Threaded

    Threaded on

    Both Ends

    High-Temperature Grade L5 Ceramic—Our most heat-resistant standoffs, even at blistering temperatures up to 1700° F. However, ceramic is brittle and can crack under mechanical stress.
    Lg.
    OD
    Threading
    Thread
    Lg.
    Min. Thread
    Lg.
    Dielectric Strength,
    V/mil
    Voltage
    Rating
    Temp. Range,
    ° F
    Each
    High-Temperature Grade L5 Ceramic
     
    6-32
    1/4"1/4"Fully Threaded1/4"—275Not Rated50 to 1,70094335A11000000
    3/8"3/8"Threaded on Both Ends—1/8"275Not Rated50 to 1,70094335A1200000
    1/2"1/4"Threaded on Both Ends—3/16"275Not Rated50 to 1,70094335A1150000
    1/2"3/8"Threaded on Both Ends—1/8"275Not Rated50 to 1,70094335A1250000
    1/2"1/2"Threaded on Both Ends—5/32"275Not Rated50 to 1,70094335A1300000
    3/4"1/4"Threaded on Both Ends—1/4"275Not Rated50 to 1,70094335A1180000
    3/4"3/8"Threaded on Both Ends—1/4"275Not Rated50 to 1,70094335A1260000
    3/4"1/2"Threaded on Both Ends—1/4"275Not Rated50 to 1,70094335A1350000
    1"1/4"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A1190000
    1"3/8"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A1280000
    1"1/2"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A1400000
    1 1/4"1/4"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A3600000
    1 1/2"1/4"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A1210000
    1 1/2"3/8"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A1290000
    1 1/2"1/2"Threaded on Both Ends—9/16"275Not Rated50 to 1,70094335A1450000
    2"1/2"Threaded on Both Ends—1/2"275Not Rated50 to 1,70094335A1470000
    2 1/2"1/2"Threaded on Both Ends—1/2"275Not Rated50 to 1,70094335A14800000
    3"1/2"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A14900000
     
    8-32
    1/2"3/8"Threaded on Both Ends—5/32"275Not Rated50 to 1,70094335A3700000
    3/4"3/8"Threaded on Both Ends—3/16"275Not Rated50 to 1,70094335A3800000
    1"3/8"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A3900000
    1 1/2"3/8"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A4100000
     
    1/4"-20
    1"3/4"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A1510000
    1"1"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A21100000
    1 1/2"3/4"Threaded on Both Ends—3/8"275Not Rated50 to 1,70094335A1520000
    1 1/2"1"Threaded on Both Ends—1/2"275Not Rated50 to 1,70094335A21400000
    1 1/2"1 1/4"Threaded on Both Ends—5/8"275Not Rated50 to 1,70094335A32800000
    2"3/4"Threaded on Both Ends—3/4"275Not Rated50 to 1,70094335A15400000
    2"1"Threaded on Both Ends—5/8"275Not Rated50 to 1,70094335A21700000
    2"1 1/4"Threaded on Both Ends—5/8"275Not Rated50 to 1,70094335A33200000
    2 1/2"3/4"Threaded on Both Ends—3/4"275Not Rated50 to 1,70094335A15500000
    3"3/4"Threaded on Both Ends—3/4"275Not Rated50 to 1,70094335A16300000
    3"1"Threaded on Both Ends—5/8"275Not Rated50 to 1,70094335A22400000
    3"1 1/4"Threaded on Both Ends—5/8"275Not Rated50 to 1,70094335A34200000
    3 1/2"3/4"Threaded on Both Ends—3/4"275Not Rated50 to 1,70094335A15300000
    4"3/4"Threaded on Both Ends—3/4"275Not Rated50 to 1,70094335A16000000
    4"1"Threaded on Both Ends—5/8"275Not Rated50 to 1,70094335A23100000
    4"1 1/4"Threaded on Both Ends—5/8"275Not Rated50 to 1,70094335A35000000
    5"1 1/4"Threaded on Both Ends—5/8"275Not Rated50 to 1,70094335A35700000
     
    back to top