T21xxG/TK21XxG Series New Deep-Hole Boring and Milling Machines

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T21xxG/TK21XxG Series New Deep-Hole Drilling and Boring Machines


This series of deep-hole drilling and boring machines is a specialized machine tool for machining cylindrical deep-hole components. It is suitable for drilling, boring, and roll‑forming operations on cylindrical workpieces with deep holes. During drilling, it employs an internal chip‑removal system (BTA method), in which the oil supply unit delivers lubricant into the cutting zone, while chips are conveyed through the drill rod to a chip‑collection hopper located at the rear of the machine bed.