ATI444 Series Full Ball Bearing Microstop Cage. 0005” adjustment, 10,000 RPM ball bearing shaft support, ball thrust bearing, dust and debris filter, fail-safe construction, 3/4” cutter capacity, 5/16” travel, 1/4-28, 6mm, 8mm threads, multiple skirt / shaft options. * See chart

Select the shaft and skirt you desire by using the dropdown menus above:

ATI444 Series Full Ball Bearing Microstop Cage Features:

• For high volume, accurate countersinking in a production environment.
• Speeds to 10,000 RPM.
• Full ball bearing shaft support for increased life.
• Heavy duty ball thrust bearing ensures depth repeatability.
• Fail-safe design accomplished with integrated shoulder on shaft.
• Debris filter prevents chips and dust from contaminating bearings.
• .0005” depth adjustment, 5/16” shaft travel.
• Right-hand threaded lock nut prevents jamming of adjustment mechanism.
• Multiple skirt configuration options.

ATI444 Series Part Number Conversion Chart: