Scientific Cutting Tools TM400-20HA Helical Flute Thread Mill: 1/2-20, Internal & External, 4 Flute, 1/2" Shank Dia, Solid Carbide
Helical Flute Thread Mill: 1/2-20, Internal & External, 4 Flute, 1/2" Shank Dia, Solid Carbide 20 TPI, 0.4" Cut Dia, 1.12" LOC, 3.5" OAL, AlTiN+ Coated
$265.04