Scientific Cutting Tools SPTM170FA-16LA Single Profile Thread Mill: 1/4-16, 16 to 16 TPI, Internal, 4 Flutes, Solid Carbide
Single Profile Thread Mill: 1/4-16, 16 to 16 TPI, Internal, 4 Flutes, Solid Carbide 0.17" Cut Dia, 1/4" Shank Dia, 2.5" OAL, AlTiN+ Coated
$80.69