DrillConnect Adapter - Permits the combination of all common chuck systems with SDS-max bits
Bosch SDS-Max to SDS-Plus Adapter for Rotary Hammers HA1030 - The Home Depot
Garden Auger Power Drill Adapter fits Corded Drill and Cordless Drill, SDS Plus to 1/2-Inch(M13 x 15mm) Thread Keyless Drill Chuck Adapter Round Shank for Impact Driver