Heavy-duty, multi-purpose 38-inch core drill bit shaft extension rod for core drilling rigs. Shafts will fit most core drills. Will work with wet or dry bits. All shaft extensions have 1-1/4 in. x 7 threading. Extensions are hollow throughout for wet drilling. Steel Dragon Tools 38" Core Drill Bit Shaft Extension Rod for Core Drilling Rig

Steel Dragon Tools® heavy-duty, multi-purpose 38-inch core drill bit shaft 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.

Specifications:

Extension Size: 38 in.

Fits wet or dry core drill bit.

For use with most core drills.

Threading: 1-1/4 in. x 7.

Extensions are hollow to allow for wet drilling.