30 DEG HELICAL THREAD MILL CARBIDE TIN (5/16-40 MIN ID) INTERNAL OR EXTERNAL .235 DIA X 5/8 LOC - 3 FLUTES (1/4 SHANK X 2-1/2 OAL)
30 DEG HELICAL THREAD MILL CARBIDE TIN (5/16-40 MIN ID) INTERNAL OR EXTERNAL .235 DIA X 5/8 LOC - 3 FLUTES (1/4 SHANK X 2-1/2 OAL)