Straight Flute Thread Mill: 1/2-13, Internal, 4 Flutes, 1/2" Shank Dia, Solid Carbide

Straight Flute Thread Mill: 1/2-13, Internal, 4 Flutes, 1/2" Shank Dia, Solid Carbide 13 TPI, 0.4" Cut Dia, 1.108" LOC, Bright Finish