Allegiance 3700-413 Fractional Ground Thread 3 Piece Hand Tap Set, 1/4-20, GH3, 4 Flute, HSS
Fractional Ground Thread Hand Tap Set, 3 Piece, Size: 1/4"", General Purpose, 20 Pitch, UNC Thread, Pitch Diameter Limits: GH3, 1"" Thread Length, Right Hand, 4 Flute, 2-1/2"" Overall Length, High Speed Steel, Tin Coated