عمود، ظرف مثقاب 3/8 بوصة مستقيم إلى 2JT

I was worried the flat might not line up right, but it locked solid against the set screw with zero play. The 3/8" shank fit snug into my boring tool holder, and the 2JT taper seated the chuck perfectly.

Fits perfectly into my 3/8" boring tool holder—the 2JT taper seated smoothly with no play. That flat on the shank did its job, keeping the chuck from spinning under load. Just what I needed for the quick change tool post setup.

The flat machined on the shank locks up solid in my tool holder, no spinning at all under load. Seated the 2JT taper into my chuck without any filing or fuss, just a clean press fit. Exactly what I needed to get that chuck onto the quick change post.