Accupro B2901350R Corner Radius Boring Bar Solid Carbide

Product Description

The ACCUPRO B2901350R is a corner radius boring bar designed for internal turning and bore finishing operations on CNC lathes and manual turning centers. Manufactured from submicron solid carbide, it delivers superior rigidity and wear resistance compared to standard carbide grades. The bar features a bright finish, right-hand cutting direction, and a corner radius range of 0.0050 to 0.0080 inches, making it well suited for controlled corner blending and precision bore sizing. A 5/16-inch shank diameter and 2.5-inch overall length give machinists a compact, stiff tool body that minimizes deflection in tight bore entries starting at 0.29 inches.

This boring bar is appropriate for light to medium-duty internal turning operations where close-tolerance bore diameters and consistent corner geometry are required. Typical applications include bore finishing in ferrous and non-ferrous workpieces on production and job-shop turning equipment. The right-hand cutting orientation suits standard spindle rotation in conventional CNC lathe setups. Maximum bore depth reaches 1.35 inches, covering a wide range of short-to-medium depth internal features common in component machining.

Key Features

• Submicron solid carbide construction for extended tool life and reduced deflection
• Corner radius range of 0.0050 to 0.0080 inches for precise edge blending
• Minimum bore diameter of 0.29 inches suits tight internal features
• Maximum bore depth of 1.35 inches accommodates a broad range of workpiece geometries
• Bright finish coating resists built-up edge in light cutting conditions
• Right-hand cutting direction for standard CNC lathe spindle rotation

Compatibility

Designed as an OEM-style boring bar for use in standard boring bar holders accepting a 5/16-inch round shank on CNC lathes and manual turning centers.

Installation Notes

Installation should be performed by a qualified machinist following the machine tool manufacturer's tooling setup procedures. Ensure the machine spindle is fully stopped and the control is in E-stop or lockout before mounting or removing tooling. Secure the shank in a compatible boring bar holder to the holder manufacturer's specified clamping torque using calibrated tooling. Verify runout and overhang before commencing cuts to minimize deflection at the listed minimum bore diameter.