We are committed to sand and gravel crushing, industrial grinding, ore processing and green building materials, and provide intelligent solutions and mature supporting products.
Rock crusher, hand operated jaw type. geological assay. The crusher ships fully assembled. After the product is reduced to about 1 8 - 3.2 mm, the crusher may be driven (slowly) with a 1 2 - 12.7 mm square drive adapter in a drill, to speed up the final grind. The common coffee grinder is a good attrition mill for ultra fine grinding.