J&M Diamond Tool Inc. Address 43 Roger Williams Ave. Rumford RI 2916 United States Map It Phone 401-431-2220 Toll Free Phone 800-777-6813 Fax 401-431-2222 Website http://www.diamondtool.com Email jm@diamondtool.com Product Categories Manufacturer Categories Blanks & Tips Boring Tools Dressers/Diamond Endmills Inserts Milling Cutters