McMaster-Carr logo
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Yes
    No
    Comments
    E-mail address (if you would like a response)

    303 Stainless Steel Knurled Knob

    with 1/4"-20 Thread, 3/4" Long Stud, 3/4" Head Diameter

    Image of Product. Front orientation. 303 Stainless Steel Knurled Knob, with 1/4"-20 Thread, 3/4" Long Stud, 3/4" Head Diameter.
    Technical Drawing of 303 Stainless Steel Knurled Knob, with 1/4"-20 Thread, 3/4" Long Stud, 3/4" Head Diameter.
    Image of Product. Back orientation. 303 Stainless Steel Knurled Knob, with 1/4"-20 Thread, 3/4" Long Stud, 3/4" Head Diameter.
    Image of Product. Side1 orientation. Contains SizingReference. 303 Stainless Steel Knurled Knob, with 1/4"-20 Thread, 3/4" Long Stud, 3/4" Head Diameter.
    2-D PDF
    000000 each
    6091K43
    In stock
    6091K43
    1-9 each000000
    10-99 each000000
    100 or more00000
    Each
    In stock
    Streamline your design process with our Solidworks Add-In
    Available for Solidworks 2017 or newer.
    Style

    1

    Grip Style

    Knurled Head

    Material

    303 Stainless Steel

    Thread

    Size

    1/4"-20

    Stud Length

    3/4"

    Head

    Diameter

    3/4"

    Height

    1/4"

    Hub

    Diameter

    1/2"

    Height

    3/8"

    Stud Material

    Stainless Steel

    Mount Type

    Threaded Stud

    System of Measurement

    Inch

    Thread Direction

    Right Hand

    Country of Origin

    United States

    DFARS Compliance

    Specialty Metals COTS-Exempt

    Export Control Classification Number (ECCN)

    EAR99

    REACH Compliance

    REACH (EC 1907/2006) (02/04/2026, 253 SVHC) Compliant

    RoHS Compliance

    RoHS 3 (2015/863/EU) Compliant

    Schedule B Number

    848790.0080

    U.S.–Mexico–Canada Agreement (USMCA) Qualifying

    Yes

    Mount these knobs into a threaded hole. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

    303 Stainless Steel303 stainless steel knobs have excellent corrosion resistance, making them the best choice for harsh environments. They also have good chemical resistance.

    The information in this 3-D model is provided for reference only.