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The MICRO 100 BB-2301000 is a solid carbide boring bar designed for precision internal turning and bore finishing operations on CNC lathes and manual turning centers. It features a 0.2300-inch minimum bore diameter, a 1-inch maximum bore depth, and a 5/16-inch shank diameter. The right-hand cutting direction and 0.0060-inch corner radius make it well suited for tight-tolerance bores where surface finish and dimensional accuracy are critical. At 2.5 inches overall length and 0.078 pounds, it is a compact, rigid tool built for small-bore work in ferrous and non-ferrous materials.
This boring bar is used in precision machining environments including job shops, production facilities, and toolroom applications. It is appropriate for boring small-diameter holes in parts such as hydraulic fittings, pneumatic components, bushings, and similar workpieces that require a clean, finished bore. The solid carbide construction provides the rigidity needed to minimize chatter and deflection at small bore diameters, making it a practical choice for machinists working to tight tolerances.
Designed as an OEM-style boring bar for use in tool holders accepting a 5/16-inch round shank on CNC or manual turning equipment.
Installation is performed by qualified machinists or toolroom personnel. Secure the shank firmly in a compatible boring bar holder or turret block, verifying that shank overhang does not exceed recommended guidelines for the bore depth. Power down the machine and confirm a zero-energy state before changing tooling. Follow the machine manufacturer and OSHA guidelines for tooling setup and workholding.
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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