1/2" AISI420 Stainless Steel G40 Precision Ball

<br> G40 AISI420 Stainless Steel Bearing Balls </br> <br> ISO 9001:2008 </br> <br> Provides higher quality and durability, reducing replacement and maintenance cost </br> <br> Grade: 40 </br> <br> Material: Stainless Steel (AISI 420) </br> <br> Diameter: 1/2", 0.5 inches (12.7 millimeter) </br> <br> Weight: 0.2969 ounces (8.419 grams) </br> <br> PGN's G40 1/2" Stainless Steel Balls extremely precise and smooth surface guarantees you won't find any defects, such as flats, pits, soft spots, and cuts. </br>