Quick Change Roller bits

Specifications︰

1. （high quality steel，with advanced heat treatment technology ，ensures the High wear resistance and high impact toughness!）
2.（ Premium O-ring, Redesigned Seals better withstand heat, contamination,！ optimal seal compression can enhance the seal performance. The advanced grease can greatly increase the lubricating reliability ）.

Advantages︰

Quick Change Roller bits