8007B - Stainless Steel Ball Set, 12.7 mm and 6.35 mm

• High durability and efficiency with moderate resistance to abrasion.
• Resists chemical attack.
• Typical composition: Major Elements – Fe, Cr; Minor Elements – Ni, Mn, S, Si
• Hardness: Mohs 5-5 ½; Rockwell – C 55-60

Crush, grind, and mill various materials. Set includes two 1/2 in. (12.7 mm) and four 1/4 in. (6.35 mm) hardened 440C stainless steel balls.