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    System of Measurement
    System of Measurement
    Inch
    Metric
    Tolerance Rating
    Tolerance Rating
    Standard
    Oversized
    Tight
    Undersized
    Hardness Rating
    Hardness Rating
    Medium
    Hard
    Very Hard
    Heat Treatment
    Heat Treatment
    Annealed (Softened)
    Hardened
    Mechanical Finish
    Mechanical Finish
    Precision Ground
    Ground
    Turned
    Appearance
    Appearance
    Plain
    Mirror-Like
    Maximum Temperature
    Maximum Temperature
    500° to 999° F
    1,000° F or greater
    Minimum Temperature
    Minimum Temperature
    Not Rated
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    RoHS Compliant with
    Exemptions
    Elongation
    Elongation
    4%
    8%
    20%
    22.5%
    25%
    30%
    Not Rated
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    Specifications Met
    Specifications Met
    QQ-S-764
    Maximum Hardness After Heat Treatment
    Maximum Hardness
    After Heat Treatment
    Rockwell C30
    Rockwell C40
    Rockwell C45
    Rockwell C50
    Rockwell C55
    Rockwell C60
    Not Rated
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
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