McMaster-Carr logo
    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)
    17 Products
    About Hex Nuts
    industrial info icon

    Choose a hex nut with the right profile, material, and strength for your application.

    Hex Nuts

    Image of Product. Front orientation. Hex Nuts. Hex Nuts.
    The most commonly used hex nuts, these are suitable for fastening most machinery and equipment.
    Extreme-Strength Steel
    These nuts are about 20% stronger than high-strength steel nuts. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
    Steel—Best for dry environments since moisture will cause these nuts to rust.
    Thread Size
    Wd.,
    mm
    Ht.,
    mm
    Fastener Strength
    Grade/Class
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Steel
    M6 × 1 mm105ISO Class 12
    		DIN 9345094223A101000000
    M8 × 1.25 mm136.5ISO Class 12
    		DIN 9342594223A10200000
    M10 × 1.5 mm178ISO Class 12
    		DIN 9341094223A1030000
    M12 × 1.75 mm1910ISO Class 12
    		DIN 9341094223A10400000
    M14 × 2 mm2211ISO Class 12
    		DIN 934194223A1090000
    M16 × 2 mm2413ISO Class 12
    		DIN 934594223A10500000
    M18 × 2.5 mm2715ISO Class 12
    		DIN 934194223A1100000
    M20 × 2.5 mm3016ISO Class 12
    		DIN 934594223A10600000
    M24 × 3 mm3619ISO Class 12
    		DIN 934194223A1070000
    M27 × 3 mm4122ISO Class 12
    		DIN 934194223A11100000
    M30 × 3.5 mm4624ISO Class 12
    		DIN 934194223A10800000
    M33 × 3.5 mm5026ISO Class 12
    		DIN 934194223A11200000
    M36 × 4 mm5529ISO Class 12
    		DIN 934194223A11300000
    M39 × 4 mm6031ISO Class 12
    		DIN 934194223A11400000
    M42 × 4.5 mm6534ISO Class 12
    		DIN 934194223A11500000
    M45 × 4.5 mm7036ISO Class 12
    		DIN 934194223A11600000
    M48 × 5 mm7538ISO Class 12
    		DIN 934194223A11700000
     
    back to top