Accupro ACC-BB230400 Boring Bar Submicron Solid Carbide

Product Description

The ACCUPRO ACC-BB230400 is a solid carbide boring bar designed for internal diameter machining on lathes and boring mills. Built from submicron-grade carbide with a bright finish, it delivers the rigidity and edge retention needed for tight-tolerance bore work in ferrous and non-ferrous materials. The bar accepts a minimum bore diameter of 0.23 inches and reaches a maximum bore depth of 0.40 inches. With a 5/16-inch shank diameter and a 2.5-inch overall length, it fits standard tool holders used in light to medium turning operations. Right-hand cutting direction is standard. Machinists and toolroom technicians working with small-bore applications will find this bar suitable for finishing and semi-finishing passes.

The ACC-BB230400 is suited for small-bore internal turning operations in job shop, production, and toolroom environments. It is appropriate for use on CNC lathes, manual engine lathes, and boring mills where bore diameters in the 0.23-inch-and-up range are required. The submicron carbide substrate supports consistent cutting performance in both interrupted and continuous cuts at small diameters. The bright finish coating keeps the surface clean and reduces built-up edge in non-ferrous and some ferrous materials.

Key Features

• Submicron solid carbide construction for rigidity and edge retention at small bore diameters
• Minimum bore diameter of 0.23 inches for tight small-bore applications
• Maximum bore depth of 0.40 inches
• 5/16-inch shank diameter fits standard small-bore tool holders
• Right-hand cutting direction
• Bright finish coating reduces built-up edge and aids chip evacuation

Compatibility

Designed as a standard-shank boring bar compatible with tool holders accepting a 5/16-inch shank diameter for small-bore internal turning operations.

Installation Notes

Installation is performed by qualified machinists or toolroom technicians. Secure the shank firmly in the tool holder to the full recommended engagement depth before operation to minimize overhang and vibration. Power down and lock out the machine spindle before changing or adjusting tooling. Inspect the cutting edge for chipping or wear before each use, as carbide tooling at small diameters is sensitive to improper setup and interrupted cuts.