QA1’s MHF Series female rod ends are a traditional three-piece chromoly steel rod end. These metric precision rod ends are heat treated and are available in right and left hand threads. Grease fittings and stud configurations are available. BALL, 52100 Bearing Steel, Heat Treated, Hard Chrome Plated, Precision Ground, , RACE, Chromoly Heat Treated Steel, Corrosion and Wear Resistant, , BODY, Chromoly Steel, Heat Treated, Protective Coated for Corrosion Resistance.