Description
Heat treated to SAE J534 specification with hardness on greasing end to a minimum of 83 on Rockwell 15N scale with a case depth of 0.005″ (0.13mm) to 0.009″ (0.23mm). Fittings with ball check use heat treated springs for increased life. Steel fittings are plated zinc with a plating thickness of 0.0002″ (5 microns). Plating conforms to relevant European standards.
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