Allegiance 3700-673 Fractional Ground Thread 3 Piece Hand Tap Set, 5/8-18, GH3, 4 Flute, HSS
Fractional Ground Thread Hand Tap Set, 3 Piece, Size: 5/8"", General Purpose, 18 Pitch, UNF Thread, Pitch Diameter Limits: GH3, 1-13/16"" Thread Length, Right Hand, 4 Flute, 3-13/16"" Overall Length, High Speed Steel, Tin Coated