Scientific Cutting Tools TM400-16C Straight Flute Thread Mill: 1/2-16, Internal, 4 Flutes, 1/2" Shank Dia, Solid Carbide
Straight Flute Thread Mill: 1/2-16, Internal, 4 Flutes, 1/2" Shank Dia, Solid Carbide 16 TPI, 0.4" Cut Dia, 1.087" LOC, 3.5" OAL, TiN Coated
$287.73