Dorian Tool 73310158604 Indexable Threading Toolholder: Internal, Right Hand, 0.5 x 0.5" Shank
Indexable Threading Toolholder: Internal, Right Hand, 0.5 x 0.5" Shank 0.6" Min Bore, 0.25" Insert Inscribed Circle, Series Laydown Jet-Stream
$120.48