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DIN 7976GB805material-65Mn, 304,speciation-M6-M48
Tight nut Material; 65mn or 50# spring steel Heat treatment; HRC30-40 Finish; oxidization or zinc-plating
Tight nut, securing nutMaterial; 65mn or 50# spring steelHeat treatment; HRC30-40Finish; oxidization or zinc-plating
tight nut