Scientific Cutting Tools TM170-20 Straight Flute Thread Mill: 1/4-20, Internal, 3 Flutes, 1/4" Shank Dia, Solid Carbide
Straight Flute Thread Mill: 1/4-20, Internal, 3 Flutes, 1/4" Shank Dia, Solid Carbide 20 TPI, 0.17" Cut Dia, 0.57" LOC, 2.5" OAL, Bright Finish
$169.15