For Sale: 3 GREENFIELD NEW OLD STOCK 6-40 NATIONAL FINE GH2 HIGH SPEED STEEL SPIRAL POINT PLUG TAP MADE IN USA!! Right Hand Thread. One tap was used on a experiment of tapping about 3 holes in 6061 aluminum thin plate, through hole, for a thread percentage test between 75% and 85% So I would call this tap near new.
Originally purchased for $4.14 each in the late 1950's. At the time of the listing, 8 currently remaining in the box. Selling individually, so if you purchase the remaining quantity for sale, the box will be included.
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