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DeWalt/Berner Rotary Hammer Drill Retaining Ring This Spare Part Fits a Wide Range of Rotary Hammer SDS Drills.
This Retaining Ring is a common spare part replaced across a wide range of machines, it is also found in several areas across the below models, but it mainly serves one purpose which is being the main component found in the front chuck "nose" of the machine. Due to the impact and wear and tear these machines experience over the course of time these parts will wear down, due to this we recommend you replace the other parts found in the chuck assembly.
Please see below for all applicable models