DescriptionSpecificationsDescriptionHelical Flute Thread Mill: #1-8, Internal, 4 Flute, 5/8" Shank Dia, Solid Carbide 8 TPI, 0.62" Cut Dia, 1-3/8" LOC, 4" OAL, AlTiN+ CoatedSpecificationsManufacturer NameScientific Cutting Tools