30DEG HELICAL NPT THREAD MILL CARBIDE (1/4 3/8-18) INTERNAL OR EXTERNAL .330 DIA X 5/8 LOC - 4 FLUTES (3/8 SHANK X 3-1/2 OAL)
30DEG HELICAL NPT THREAD MILL CARBIDE (1/4 3/8-18) INTERNAL OR EXTERNAL .330 DIA X 5/8 LOC - 4 FLUTES (3/8 SHANK X 3-1/2 OAL)