Accupro B3201800R Corner Radius Boring Bar Solid Carbide

Product Description

The ACCUPRO B3201800R is a corner radius boring bar designed for internal turning and boring operations in metalworking applications. Built from submicron solid carbide, this right-hand-cut bar delivers the rigidity and wear resistance required for precision work in small-diameter bores. It accepts a minimum bore diameter of 0.32 inches and reaches a maximum bore depth of 1.8 inches. The bright finish coating reduces friction and aids chip evacuation. With a 3/8-inch shank diameter and an overall length of 3 inches, this tool fits a range of standard boring bar holders used by machinists and tool-and-die professionals.

This boring bar is suited for precision internal boring in CNC and manual lathe applications where a controlled corner radius is required. The corner radius range of 0.005 to 0.008 inches makes it appropriate for finishing passes and applications demanding tight dimensional tolerances. It is commonly used in job shops, production machining environments, and tool rooms handling close-tolerance components in steel, cast iron, and similar materials. The right-hand cutting direction is standard for conventional boring setups.

Key Features

• Submicron solid carbide construction for superior hardness and edge retention
• Minimum bore diameter of 0.32 inches for small-bore applications
• Maximum bore depth of 1.8 inches
• Corner radius range of 0.005 to 0.008 inches for finish-quality results
• Bright finish coating to reduce friction and aid chip flow
• Right-hand cutting direction for standard boring bar holder setups

Compatibility

Designed as an OEM-style replacement or direct tooling addition for standard 3/8-inch shank boring bar holders used in CNC and manual lathe boring applications.

Installation Notes

This boring bar is installed and serviced by machinists and toolroom technicians. Ensure the machine spindle is fully stopped and locked out before changing or adjusting tooling. Secure the shank firmly in the boring bar holder to the holder manufacturer's specified clamping requirements. Verify bore alignment and runout before taking finish passes to avoid tool deflection or chatter.