Moly-Cop USA

8116 Wilson Rd.
Kansas City, MO 64125

Phone: 816-231-9191 x 13

Fax: 816-231-1090


Moly-Cop forged steel grinding media, together with the Wire Ropes and forged Rail Wheels and Axle assembly operations, comprise the Mining Consumables Division of Arrium Mining and Materials.   Moly-Cop is the recognized leader in high quality grinding media products for the process industries.  First developed in the 1930’s at Armco’s Sheffield Steel Division in Kansas City, Missouri, Moly-Cop grinding balls and grinding rods have undergone significant improvements to meet ever-increasing expectations for performance.  Moly-Cop has state-of-the-art manufacturing facilities located in the major mining markets of Canada, United States, Mexico, Chile, Peru, Australia, and Indonesia.  The Moly-Cop group has the largest manufacturing capacity of grinding media in the world and is dedicated to provide the capacity expansions necessary to meet the growing supply demands of the industry.