Mar 10, 2016 Gyradisc crushers are specialized reduction machines. They are designed to economically produce large quantities of cubical product from stone, gravel, ores and non-metallic minerals. The feed for Gyradisc crushers usually has a topsize not larger than 75MM (3 In.) for the larger units and 30MM (1 In.) for the smaller size crushers.Simple fine stone crusher machine Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Simple fine stone crusher machine, quarry, aggregate, and different kinds of minerals.