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7/16-20 UNF, H3, 4 Flute, Bottoming Chamfer, Bright Finish, High Speed Steel Hand STI Tap 3-3/8" OAL, 1-21/32" Thread Length, 7/16" Square Length, 0.275" Square Size, 3B Class of Fit (Pkg Qty=1)
Item not returnable!