McMaster-Carr logo
    Filter by
    System of Measurement
    Nut Type
    Industrial Info Compare
    Length
    Attribute Image
    Width
    Attribute Image
    Gender
    Hex Length
    Attribute Image
    DFARS Specialty Metals
    Industrial Info Compare
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Drive Style
    Industrial Info Snippet
    Coupling Nut Profile
    Thread Direction
    Thread Spacing
    Industrial Info Snippet
    Thread Type
    Shape
    Hex Size
    Attribute Image
    Hardness
    Tensile Strength
    Industrial Info Snippet
    Thread Length
    For Adapting
    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)
    4 Products

    Coupling Nuts

    Image of Product. Front orientation. Coupling Nuts. Coupling Nuts.
    Also known as extension nuts, these are commonly used to connect lengths of threaded rod and join threaded parts.
    Corrosion-Resistant Stainless Steel
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Each
    Thread
    Size
    Lg.
    Wd.
    Threading
    1-9
    10-Up
    18-8 Stainless Steel
    12-24
    		3/4"3/8"Fully Threaded0000000000000000000
     
    Brass
    Brass—With a warm, polished look, these nuts are often chosen for their appearance. Similar to 18-8 stainless steel, brass is corrosion resistant enough to stand up to wet environments. It is also softer than other metals, so it's easier to thread together.
    Each
    Thread
    Size
    Lg.
    Wd.
    Threading
    1-9
    10-Up
    Brass
    12-24
    		3/4"3/8"Fully Threaded00000000000000000000
     

    Left-Hand to Right-Hand Female Hex Thread Adapters

    Image of Product. Front orientation. Contains Annotated. Thread Adapters. Left-Hand to Right-Hand Female Hex Thread Adapters.
    Image of Attribute. Front orientation. Contains Annotated. Thread Adapters. Left-Hand to Right-Hand Female Hex Thread Adapters.
    Often called sleeve nuts, these thread adapters fasten parts with right-hand threads to parts with left-hand threads.
    18-8 Stainless Steel—18-8 stainless steel adapters have good corrosion resistance.
    316 Stainless Steel—316 stainless steel adapters have the best corrosion resistance. They stand up to wet environments, just like 18-8 stainless steel adapters, but unlike 18-8 stainless steel adapters, they resist corrosion caused by salt water and harsh chemicals.
    Thread
    Lg.
    Thread
    Fit
    Hex
    Each
    Thread
    Size (A)
    Thread
    Size (B)
    (A)
    (B)
    (A)
    (B)
    Size
    Length
    Hardness
    1-9
    10-Up
    18-8 Stainless Steel
    12-24
    		12-24
    		1/2"1/2"Unified Standard Class 2B
    		Unified Standard Class 2B
    		3/8"2"Rockwell B80000000000000000000000
     
    316 Stainless Steel
    12-24
    		12-24
    		1/2"1/2"Unified Standard Class 2B
    		Unified Standard Class 2B
    		3/8"2"Rockwell B800000000000000000000
     
    back to top