Feature

●Select from 10 different grinding ball materials to suit your application
●Replacement hardened steel grinding balls for grinding vials sets 04575-91 and 04575-94
●Durable and tough grinding ball suitable for general purpose grinding
●High durability and efficiency with moderate resistance to abrasion
●Made of type 52-100 steel


Description

Optimize performance of your Spex SamplePrep Freezer/Mill grinding vial sets with a wide range of grinding ball options suitable for your application. Hardness: Mohs 5 ½ to 6; Rockwell ? C 60 to 65 Typical composition: Major Element ? Fe; Minor Elements ? Cr, Si, Mn, C

• Measures 1/4" (6.35 mm) in diameter
• Pack of 4
• 1 year warranty
• Crush, grind, and mill various materials