Thread doesn't quite match my drill heads, suitable for Bosch drill
Screws in part. Either this thread on the shank is stripped, or the threads on my drill heads are stripped. I will use it and watch. The head fits a Bosch drill so I can use my smaller Bosch drill or a larger drill.
Pros
SDS-Plus mandrel adapter Impact diamond core drill connection, Perfect accessory for your SDS Plus impact drill