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    System of Measurement
    System of Measurement
    Inch
    Metric
    Thread Type
    Thread Type
    Metric
    Material
    Material
    Stainless Steel
    Steel
    Zinc
    Drive Style
    Drive Style
    click to learn more about
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    Tri-Groove
    Nut Type
    Nut Type
    Tamper
    Resistant
    Thread Direction
    Thread Direction
    Thread Spacing
    Thread Spacing
    click to learn more about
    Head Type
    Head Type
    Rounded
    Thread Fit
    Thread Fit
    Class 2B
    Class 3A
    Class 6H
    Head Diameter
    Head Diameter
    default
    0.275"
    0.385"
    0.575"
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    Finish
    Finish
    Zinc Plated
    Drive Size
    Drive Size
    No. 6
    No. 10
    No. 20
    Rounded Head Style
    Rounded Head Style
    Round
    Hardness
    Hardness
    Rockwell C28
    Tensile Strength
    Tensile Strength
    80,000 psi
    Rounded Head Profile
    Rounded Head Profile
    High
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    69 Products

    Tamper-Resistant Tri-Groove Rounded Head Screws

    Tamper-Resistant Tri-Groove Nuts

    Inch
    Metric