Socket Head Profile
    Socket Head Profile
    StandardLow
    Ultra-Low
    Thread Direction
    Thread Direction
    Right HandLeft Hand
    Fastener Strength Grade/Class
    Fastener Strength
    Grade/Class
    Class 8.8
    Class 10.9
    Class 12.9
    Thread Spacing
    Thread Spacing
    Coarse
    Fine
    Extra Fine
    Specifications Met
    Specifications Met
    DIN
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    ISO
    click to learn more about ISO
    SAE
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    Mil. Spec.
    click to learn more about Mil. Spec.