Scientific Cutting Tools TM187-28SH 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, 0.1870 mm Cut Dia, 0.5140" LOC, 2-1/2" OAL, Bright/Uncoated
$226.54