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The INTERNAL TOOL 10-1015 is a solid carbide boring bar designed for precision internal diameter work on small bores. Built from micrograin solid carbide, it provides the rigidity and edge retention needed for tight-tolerance boring operations. The right-hand cutting direction and 1/8-inch shank diameter make this bar suited for small-bore applications where standard tooling cannot reach. With a minimum bore diameter of 0.05 inches and a maximum bore depth of 0.4 inches, it handles very small, shallow bores accurately. Overall length is 2 inches, and the bar features a 1.5-degree bar end angle with a 4-degree relief angle for clean chip clearance.
This boring bar is used in precision machining environments including CNC turning centers, manual lathes, and small-part machining cells. It is rated for universal primary workpiece materials, making it applicable across steel, aluminum, brass, and similar machinable alloys. The Series 10 designation places it in INTERNAL TOOL's small-bore boring bar lineup. Machinists and toolroom professionals in job shops, production facilities, and tooling departments are the primary users of this style of bar.
Designed as an OEM-style replacement and standard tooling option for small-bore internal turning operations using 1/8-inch shank boring bar holders on CNC and manual turning equipment.
This boring bar is installed by machinists and toolroom technicians into compatible 1/8-inch shank boring bar holders or tool blocks. Ensure the machine spindle is fully stopped and the toolholder is clean and free of chips before seating the bar. Secure the bar at the correct overhang to minimize deflection, keeping projection as short as the bore depth allows. Follow shop-standard clamping procedures and verify runout before cutting.
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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