The Threaded Extension is three inches in length, excluding the external threads, for those deep hard-to-reach spots. Using it with the Chucking Spud and TightFit® drill bits provides the utility of an expensive set of "deep reach" extension drill bits. Used with the Right Angle Drill Attachment, the Extension allows work over/under or around obstacles. It has a body diameter of 3/8" with 1/4-28 UNF-2B and 2A internal and external threads, 5/16" wrench flats for easy removal after job is done and is black oxided to prevent corrosion while enhancing appearance. Click on image to enlarge. |
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| Order an Extension Set and save $4.94, over buying individual extensions. |