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    System of Measurement
    System of Measurement
    Inch
    Metric
    Hardness Rating
    Hardness Rating
    Medium
    Hard
    Tolerance Rating
    Tolerance Rating
    Undersized
    Standard
    Oversized
    Heat Treatment
    Heat Treatment
    Hardened
    Annealed (Softened)
    Stress Relieved
    Specifications Met
    Specifications Met
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    Elongation
    Elongation
    6%
    7%
    8%
    10%
    13%
    16%
    18%
    19%
    Heat Treatable
    Heat Treatable
    Yes
    No
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    RoHS Compliant with
    Exemptions
    Maximum Hardness After Heat Treatment
    Maximum Hardness
    After Heat Treatment
    Rockwell C45
    Rockwell C55
    Rockwell C60
    Rockwell C62
    Not Rated
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
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    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant