138 mm Round Chucks

Our Most Popular Chuck

Our 138 mm round chucks easily mount in custom fixture designs, and their versatility makes them our best seller. Their mid-size diameter fits most applications. They are easy to integrate because of their top-side mounting. Additional options are also available such as timing notches and stainless steel body versions.

Features & Benefits
  • Uses system 40 clamping knobs
  • Mid-sized diameter fits most applications
  • Topside mounting for ease of integration
  • Choose from air connections at the bottom or side
  • Optional timing notch in face of the chuck