Replacement tungsten carbide grinding ball for 5004 Tungsten Carbide Lined Grinding Vial Set, 5 mL. 7.9 mm (5/16 in.) in diameter. Sold as a bag of 4 grinding balls.
Effective grinding ball for mixing and grinding samples.
High resistance to abrasion.
Long-wearing and very high efficiency.
Typical composition: Major Elements – W, C, Co; Minor Elements – Ta, Ti, Nb
