Steel Dragon Tools® heavy-duty, multi-purpose 4-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: 4 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.
- material:
- Metal
- overall_depth:
- 6
- overall_height:
- 7
- overall_width:
- 6
