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The HORN R105181900514TN35 is a boring bar designed for precision internal machining operations. Boring bars are used to enlarge or finish pre-drilled holes to tight tolerances in metal workpieces. This tool fits into CNC machining centers, lathes, and manual boring setups where accurate hole geometry is required. Machinists and tool-and-die professionals rely on boring bars to achieve consistent bore diameter and surface finish. The R105181900514TN35 weighs 0.025 pounds, making it a compact, lightweight tooling component suited for detailed work in close quarters or smaller bore applications.
This boring bar is applicable in general metalworking and precision machining environments, including job shops, production facilities, and maintenance operations. It is used wherever internal diameter finishing is required, such as engine components, hydraulic cylinder housings, or precision-fit mechanical assemblies. The lightweight profile suggests suitability for smaller-diameter boring work where tool mass and rigidity must be balanced carefully.
Designed as an OEM-style replacement or direct tooling component for boring and internal machining setups. No specific compatible machine models or replacement part numbers were provided in the product data.
Installation of boring bars should be performed by a qualified machinist following the machine tool manufacturer's setup procedures. Ensure the machine spindle is fully powered down and the tool holder is clean and free of debris before mounting the bar. Secure the boring bar with the appropriate tool holder to the specified clamping torque recommended by the machine manufacturer. Verify proper overhang length to minimize deflection and achieve target bore tolerances.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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