CHAMRING Drill Holders for Drilling and Chamfering in One Operation

It is recommended to apply external coolant on the chamfering inserts. Reduce the recommended feed and speed of the drill being used by 50% when machining maximum chamfer size.
Chamfering angle (STA) depends on the chamfering insert being used

Assembly Instructions
• Insert the UNICHAMDRILL into the CHAMRING prior to clamping the chamfering inserts
• Adjust the UNICHAMDRILL protrusion by using the rear screw, then correct adjustment using the side clamping screw
• Attach the chamfering inserts
Adjustment of UNICHAMDRILL Protrusion
• Loosen the chamfering inserts clamping screws
• Loosen the side clamping screw
• Adjust the UNICHAMDRILL protrusion by using the rear screw, then correct adjustment using the side clamping screw
• Re-tighten the chamfering inserts