Optimize performance of your Cole-Parmer® Shatterbox® Ring and Puck Mill with these grinding containers. Typical samples include cements, soils, ceramics, slag, rocks, minerals, ores, pharmaceuticals, sulfur pellets, and dried plant material.

Dish, lid, and puck made of 52-100 hardened tool steel offer moderate resistance to abrasion, high durability, and efficiency. Must be used either one or three at a time with grinding container rack 04578-24.

Hardness: Mohs 5 1/2 - 6; Rockwell – C 60-65
Typical composition: Major Element – Fe; Minor Elements – Cr, Si, Mn, C