Description
This is a rare Forstner Drill Bit (drills flat bottom holes) ~ Size 4 (1/4") Marked "P. Mfg. Co. USA" "Patent Pending" and "4" on the square shank. Straight. About 6.5" long. Tested. It produces flat bottom holes in oak and pine. Slower going than regular brace bits. The drilled hole and cutting edge need to be kept free of shavings as you go. Quick to ship.