🧰 Product Overview Upgrade your lathe setup with the CNC Lathe Boring Tool Holder with Interchangeable Sleeves — a precision-engineered solution designed for both CNC and conventional lathe machines. This versatile holder lets you use boring bars of various diameters with a single tool holder, saving time, cost, and valuable workspace. Each unit comes with precision-ground ID sleeves, all having the same outer diameter (OD) as the holder bore for perfect interchangeability. The sleeves are precisely drilled to align with the holder's square-head locking bolts, ensuring a firm grip, accurate positioning, and true cutting centerline during operation. Experience maximum rigidity, enhanced accuracy, and longer tool life — perfect for boring, facing, chamfering, and fine finishing applications.