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A U-drill insert, technically known as an indexable drilling insert, is a replaceable cutting component mounted on the head of a U-drill (also called an indexable insert drill or quick-change drill) tool holder/body. Its core feature is the indexable design; when one cutting edge is worn, it can be quickly indexed to a fresh, sharp edge without the need for regrinding, ensuring high efficiency and consistent performance. The U-drill insert acts as the "teeth" of the U-drill system, directly responsible for its cutting performance.
