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Our boring bar sleeve is suitable for users in industries such as automotive, aerospace, and machining requiring precise drilling results with larger diameter holes. With a 3/4 inch bore diameter and 1-1/4 inch shank diameter, it offers versatility in accommodating various workpiece sizes. The hardened surface of the sleeve reduces heat generation and chipping, ensuring durability and long-lasting performance. Boring bar sleeves are essential tools for professionals involved in precision machining and drilling applications that require accurate and consistent results.