Titan USA Hand Tap Set, Standard Straight Flute, Measurement System: Imperial, 3 Piece, #4-40, Ground, 9/16 in Thread Length, 1-7/8 in Overall Length, 3 Flutes, Right Hand Cutting, 0.141 in Shank Dia, Taper/Plug/Bottoming Chamfer, H2 Thread Limit, 0.11 in Square Size, HSS, Uncoated