Company Profile

Diamond Precision Products® is a manufacturer’s source for quality custom and standard cast iron and steel pulleys/sheaves, flywheels, spindle housings and assemblies, wheel hubs, and other cast iron and steel precision components.

Our drive for perfection, total customer satisfaction, and on-time delivery has propelled Diamond Precision Products® as a leading supplier of cast iron pulleys and flywheels in the industry. Industry leaders recognize Diamond’s commitment to quality and have awarded us with five consecutive “Outstanding Supplier” awards.

Company History