Crushed Stone Grades: A Complete Guide - Braen StoneMay 10, 2013 . Crushed stone grades are categorized by the size of the stone after it has been crushed. The size of the stone determines what application it.size of crushed aggregate,Products / Coarse Aggregates - Buffalo Crushed Stone#1A's are our smallest coarse aggregate, primarily 1/4" by 1/8" in size with a top size of 1/2". The crushed variety is used mainly to produce hot mix asphalt top.
size of crushed aggregate