Extension Rod for Core Bits 1-1/4″-7

12″ or 6″ Core Drill Bit Shaft Extension Rod for Core Drilling Rig

Multi-purpose heavy-duty core drill extension rod for core drilling rigs. Shaft will fit most core drills and will work with wet or dry bits. Shaft extension has 1-1/4 in. x 7 threading and is hollow throughout for wet drilling