Replacement stainless steel grinding ball for Stainless Steel Grinding Vial Set (part # 3114). 6.35 mm (1/4 in.) diameter. Made of type 440C stainless steel. Sold as a bag of 4 grinding balls.
Durable and tough grinding ball suitable for general purpose grinding.
High durability and efficiency with moderate resistance to abrasion.
Resists chemical attack.
Typical composition: Major Elements – Fe, Cr; Minor Elements – Ni, Mn, S, Si.
