Threading Tool, Internal, 1/2 Indexable

I was able to thread a blind hole with just 0.64" clearance, and the 1/2 shank held rigidly without any chatter. The M3.5 screw kept the 16IRA60 insert locked tight on the first try.

Cut threads perfectly in tight spots where my old holder couldn't fit. The 0.64" minimum bore lets me work on small parts I'd normally skip. Solidly built and the insert locks in tight without any wobble.

The shank on this one is a true half-inch, and the 5-inch overall length gives you just enough reach for most jobs without feeling flimsy. It held up fine on a few 16mm bores I threaded, though the 0.64" minimum means you're not getting into anything super tight. The M3.5 screw that holds the insert