Description of Steel Dragon Tools Extension Drilling
Heavy-duty, multi-purpose 12-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.
This product's quality is not up to par with other industrial and scientific drilling tools I have used. The extension drilling broke after minimal use and caused delays in our project. .
After I put it to the test I found that this extension drill bit falls far short of my expectations. The bit feels flimsy and unstable during use, making it difficult to get a clean drilling action .While the length is useful for certain projects, the quality just isn`t up to par..
I have purchased core drilling products from several different companies and this core drill extension has worked fantastic. good quality. I don't have much experience with Steel Dragon bits but the extensions seem top notch.