Accupro B2301500R Corner Radius Boring Bar Solid Carbide

Product Description

The ACCUPRO B2301500R is a corner radius boring bar machined from submicron solid carbide for tight-tolerance internal boring operations. It cuts right hand and accepts a minimum bore diameter of 0.23 inches, reaching a maximum bore depth of 1.5 inches. The 5/16-inch shank diameter and 2.5-inch overall length suit compact setups where reach and rigidity both matter. A bright finish coating leaves the carbide substrate exposed for visual inspection and general-purpose use. Machinists and toolroom operators reach for this bar when finishing bored holes that require a controlled corner radius rather than a sharp 90-degree break.

This boring bar is suited to light-to-medium internal turning and boring operations on machining centers, CNC lathes, and manual turret lathes. The corner radius range of 0.005 to 0.008 inches makes it applicable wherever a fine, consistent radius blend is required at the bottom corner of a bored feature. It is a practical choice for aerospace, mold, and precision-machining shops working in steel, aluminum, and similar machinable materials where solid carbide rigidity reduces chatter in small-diameter bores.

Key Features

• Submicron solid carbide construction provides high rigidity and wear resistance in small-diameter bores
• Right hand cutting direction for standard CNC lathe and boring mill setups
• Corner radius range of 0.005 to 0.008 inches for controlled blend at bore bottom corners
• Bright finish coating preserves the carbide surface for general-purpose applications
• 5/16-inch shank diameter with 2.5-inch overall length fits compact toolholders
• Minimum bore diameter of 0.23 inches and maximum bore depth of 1.5 inches define the working envelope

Compatibility

Designed as an OEM-style replacement or direct-fit tooling option for standard 5/16-inch boring bar toolholders used in CNC lathes, machining centers, and manual turret lathes requiring right hand corner radius boring bars.

Installation Notes

Installation is performed by qualified machinists following shop safety and machine lockout/tagout procedures before toolholder changes. Ensure the machine spindle is fully stopped and the toolholder bore is clean and free of chips before seating the shank. Confirm shank runout with a dial indicator after clamping to minimize deflection in small-diameter bores. Follow the machine tool manufacturer guidelines for overhang limits and clamping torque on the toolholder set screws.