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> 7/8" hs 4 flute core drill end cutting usa 3MT shank
7/8" hs 4 flute core drill end cutting usa 3MT shank
12pcs 7/8 H.S. National Drill 4 Flute Center Cutting Core Drill
* Decimal Equivalent: .8750"
* Condition of Drill Shank: Very Good
* Condition of Drill Tang: Very Good
* Condition of Drill Margin: Very Good
* Condition of Drill Point: Modified to center cut
Core drills are used for enlarging a pre-existing hole that has allready been drilled, cored, or punched. A core drill is not equipped to drill a hole from scratch however these 12 drills have been modified on the drill point to be center cutting just like an endmill.
