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    107 Products
    About Hex Head Screws and Bolts
    industrial info icon

    Choose a hex head fastener with the right threading, thread size, material, and strength for your equipment.

    Steel Hex Head Screws

    Image of Product. Front orientation. Hex Head Screws. Steel Hex Head Screws, Partially Threaded.

    Partially

    Threaded

    Our most popular hex head screws. These have a head with six flat sides to keep wrenches and sockets from slipping and rounding off the drive.
    Length is measured from under the head.
    Medium-Strength Fastener—Your go-to screws for fastening most machinery and equipment. They have tensile strengths from 90,000 to 120,000 psi.
    High-Strength Fastener—Commonly used to fasten components in valves, pumps, motors, and other high-stress applications. These screws have a tensile strength of 125,000 to 160,000 psi.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Zinc-Yellow-Chromate-Plated Steel—With slightly better corrosion resistance than zinc-plated steel screws, these stand up to more frequent exposure to moisture.
    Dyed Steel—The distinctive blue color makes it easy to tell these metric-sized screws apart from inch screws.
    Head,
    mm
    Lg.,
    mm
    Wd.
    Ht.
    Threading
    Thread
    Spacing
    Fastener Strength
    Grade/Class
    Tensile Strength,
    psi
    Pkg.
    Qty.
    Pkg.
    Medium-Strength Zinc-Plated Steel
     
    M8 × 1 mm
    40135.3Partially ThreadedFine
    Class 8.8
    110,0002591180A542000000
    45135.3Partially ThreadedFine
    Class 8.8
    110,0001091180A5440000
    50135.3Partially ThreadedFine
    Class 8.8
    110,0002591180A54600000
    55135.3Partially ThreadedFine
    Class 8.8
    110,0001091180A5480000
    60135.3Partially ThreadedFine
    Class 8.8
    110,0001091180A5500000
    65135.3Partially ThreadedFine
    Class 8.8
    110,0001091180A1270000
    70135.4Partially ThreadedFine
    Class 8.8
    110,0001091280A02100000
    80135.3Partially ThreadedFine
    Class 8.8
    110,0001091180A40700000
    100135.3Partially ThreadedFine
    Class 8.8
    110,000191180A5590000
     
    M10 × 1.25 mm
    35176.4Partially ThreadedFine
    Class 8.8
    110,0001091180A63500000
    40176.4Partially ThreadedFine
    Class 8.8
    110,0001091180A63800000
    45176.4Partially ThreadedFine
    Class 8.8
    110,0001091180A64000000
    50176.4Partially ThreadedFine
    Class 8.8
    110,0001091180A64200000
    55176.4Partially ThreadedFine
    Class 8.8
    110,0001091180A64300000
    60176.4Partially ThreadedFine
    Class 8.8
    110,0001091180A64400000
    65176.4Partially ThreadedFine
    Class 8.8
    110,0001091180A64600000
    70176.4Partially ThreadedFine
    Class 8.8
    110,0001091180A64900000
    75176.4Partially ThreadedFine
    Class 8.8
    110,000591180A65200000
    80176.4Partially ThreadedFine
    Class 8.8
    110,0001091180A65400000
    90176.4Partially ThreadedFine
    Class 8.8
    110,000591180A6580000
    100176.4Partially ThreadedFine
    Class 8.8
    110,000591180A66200000
    110176.4Partially ThreadedFine
    Class 8.8
    110,000191180A6630000
    120176.4Partially ThreadedFine
    Class 8.8
    110,000591180A66400000
    130176.4Partially ThreadedFine
    Class 8.8
    110,000591180A12800000
     
    M10 × 1 mm
    40176.4Partially ThreadedExtra Fine
    Class 8.8
    110,0001091180A62000000
    45176.4Partially ThreadedExtra Fine
    Class 8.8
    110,0001091180A62200000
    50176.4Partially ThreadedExtra Fine
    Class 8.8
    110,0001091180A62500000
    60176.4Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A62700000
    80176.4Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A63200000
    100176.4Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A41500000
     
    M12 × 1.5 mm
    40197.5Partially ThreadedFine
    Class 8.8
    110,000591180A75000000
    45197.7Partially ThreadedFine
    Class 8.8
    110,000591280A02200000
    50197.5Partially ThreadedFine
    Class 8.8
    110,0001091180A75300000
    55197.5Partially ThreadedFine
    Class 8.8
    110,000591180A75400000
    60197.5Partially ThreadedFine
    Class 8.8
    110,0001091180A75500000
    65197.5Partially ThreadedFine
    Class 8.8
    110,000591180A75600000
    70197.5Partially ThreadedFine
    Class 8.8
    110,000591180A75700000
    75197.5Partially ThreadedFine
    Class 8.8
    110,000591180A75800000
    80197.5Partially ThreadedFine
    Class 8.8
    110,000591180A76000000
    90197.5Partially ThreadedFine
    Class 8.8
    110,000591180A76200000
    100197.5Partially ThreadedFine
    Class 8.8
    110,000591180A76500000
    120197.5Partially ThreadedFine
    Class 8.8
    110,000191180A1290000
     
    M12 × 1.25 mm
    40197.5Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A71500000
    45197.5Partially ThreadedExtra Fine
    Class 8.8
    110,0001091180A71700000
    50197.5Partially ThreadedExtra Fine
    Class 8.8
    110,0001091180A72400000
    55197.5Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A72600000
    60197.5Partially ThreadedExtra Fine
    Class 8.8
    110,0001091180A72800000
    65197.5Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A73000000
    70197.5Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A73100000
    75197.5Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A73300000
    80197.5Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A73500000
    90197.5Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A73700000
    100197.5Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A71900000
    110197.5Partially ThreadedExtra Fine
    Class 8.8
    110,000591180A72100000
    120197.5Partially ThreadedExtra Fine
    Class 8.8
    110,000191180A7230000
     
    M14 × 1.5 mm
    45228.8Partially ThreadedFine
    Class 8.8
    110,000191180A7850000
    50228.8Partially ThreadedFine
    Class 8.8
    110,000191180A7880000
    60228.8Partially ThreadedFine
    Class 8.8
    110,000191180A7900000
    65228.8Partially ThreadedFine
    Class 8.8
    110,000191180A7910000
    70228.8Partially ThreadedFine
    Class 8.8
    110,000191180A7920000
    75229Partially ThreadedFine
    Class 8.8
    110,000191280A0230000
    80228.8Partially ThreadedFine
    Class 8.8
    110,000191180A7940000
    90228.8Partially ThreadedFine
    Class 8.8
    110,000191180A7980000
    100228.8Partially ThreadedFine
    Class 8.8
    110,000191180A7950000
    120228.8Partially ThreadedFine
    Class 8.8
    110,000191180A8020000
     
    M16 × 1.5 mm
    502410Partially ThreadedFine
    Class 8.8
    110,000191180A8140000
    552410.2Partially ThreadedFine
    Class 8.8
    110,000591280A02400000
    602410Partially ThreadedFine
    Class 8.8
    110,000191180A8180000
    702410Partially ThreadedFine
    Class 8.8
    110,000191180A8220000
    802410Partially ThreadedFine
    Class 8.8
    110,000191180A8260000
    902410.2Partially ThreadedFine
    Class 8.8
    110,000191280A0250000
    1002410Partially ThreadedFine
    Class 8.8
    110,000191180A8300000
    1202410.2Partially ThreadedFine
    Class 8.8
    110,000191280A0260000
     
    M18 × 1.5 mm
    652711.7Partially ThreadedFine
    Class 8.8
    110,000191280A0280000
    702711.7Partially ThreadedFine
    Class 8.8
    110,000191280A0290000
    802711.7Partially ThreadedFine
    Class 8.8
    110,000191280A0300000
    902711.7Partially ThreadedFine
    Class 8.8
    110,000191280A0310000
    1002711.7Partially ThreadedFine
    Class 8.8
    110,000191280A0320000
     
    M20 × 1.5 mm
    803012.7Partially ThreadedExtra Fine
    Class 8.8
    110,000191280A0350000
    1003012.7Partially ThreadedExtra Fine
    Class 8.8
    110,000191280A0360000
    1203012.7Partially ThreadedExtra Fine
    Class 8.8
    110,000191280A0370000
     
    Medium-Strength Steel
     
    M10 × 1.25 mm
    50176.6Partially ThreadedFine
    Class 8.8
    110,0001091280A3730000
    80176.6Partially ThreadedFine
    Class 8.8
    110,0001091280A37400000
    90176.4Partially ThreadedFine
    Class 8.8
    110,000591180A1380000
    100176.4Partially ThreadedFine
    Class 8.8
    110,000591180A1390000
    120176.4Partially ThreadedFine
    Class 8.8
    110,000591180A1410000
     
    High-Strength Zinc-Yellow-Chromate-Plated Steel
     
    M8 × 1 mm
    35135.5Partially ThreadedFine
    Class 10.9
    150,0001090854A95000000
     
    M10 × 1.25 mm
    45176.6Partially ThreadedFine
    Class 10.9
    150,000590854A8130000
    70176.6Partially ThreadedFine
    Class 10.9
    150,000590854A81400000
    75176.6Partially ThreadedFine
    Class 10.9
    150,000590854A81500000
    80176.6Partially ThreadedFine
    Class 10.9
    150,000590854A81600000
    90176.6Partially ThreadedFine
    Class 10.9
    150,000590854A81700000
    100176.6Partially ThreadedFine
    Class 10.9
    150,000590854A81800000
    110176.6Partially ThreadedFine
    Class 10.9
    150,000590854A81900000
    120176.6Partially ThreadedFine
    Class 10.9
    150,000190854A8210000
     
    M12 × 1.5 mm
    60197.7Partially ThreadedFine
    Class 10.9
    150,000590854A82200000
    70197.7Partially ThreadedFine
    Class 10.9
    150,000590854A82300000
    75197.7Partially ThreadedFine
    Class 10.9
    150,000590854A82400000
    80197.7Partially ThreadedFine
    Class 10.9
    150,000590854A82500000
    90197.7Partially ThreadedFine
    Class 10.9
    150,000190854A8260000
    100197.7Partially ThreadedFine
    Class 10.9
    150,000190854A8270000
     
    High-Strength Blue-Dyed Zinc-Plated Steel
     
    M10 × 1.25 mm
    45176.6Partially ThreadedFine
    Class 10.9
    150,000590180A92300000
     
    M12 × 1.5 mm
    60197.7Partially ThreadedFine
    Class 10.9
    150,000190180A9240000
    70197.7Partially ThreadedFine
    Class 10.9
    150,000190180A9250000
    80197.7Partially ThreadedFine
    Class 10.9
    150,000190180A9260000
    90197.7Partially ThreadedFine
    Class 10.9
    150,000190180A9270000
    100197.7Partially ThreadedFine
    Class 10.9
    150,000190180A9280000
     
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