Scientific Cutting Tools TM170-28SH Helical Flute Thread Mill: 1/4-28, Internal & External, 3 Flute, 1/4" Shank Dia, Solid Carbide
Helical Flute Thread Mill: 1/4-28, Internal & External, 3 Flute, 1/4" Shank Dia, Solid Carbide 28 TPI, 0.17" Cut Dia, 0.514" LOC, 2.5" OAL, Bright/Uncoated
$187.24