
1-1/4" UNC external thread to SDS plus shank converter for diamond core drill bits. Suitable for hammer drills with SDS-Plus shank. Made of 45 steel, stable and durable, not easy to break. For use with core drills, UNC thread with SDS PLUS socket. Please check before purchase if the connector is compatible. Attention: This one is SDS PLUS, not SDS MAX!!! This adapter cannot be used with hammer mode.