Accupro ACC-BB120800 Boring Bar Submicron Solid Carbide

Product Description

The ACCUPRO ACC-BB120800 is a submicron solid carbide boring bar designed for precision internal boring operations on CNC lathes and manual turning centers. It features a 0.12 inch minimum bore diameter and handles bore depths up to 0.8 inches, making it suitable for tight, shallow bore applications where rigidity and dimensional accuracy are critical. The bright finish coating reduces built-up edge and supports clean chip evacuation. With a 3/16 inch shank diameter and a 2 inch overall length, this bar fits standard toolholders used in light to medium turning work. Machinists and toolroom technicians specify this bar when bore diameter tolerance and surface finish are the primary concerns.

This boring bar is suited for small-diameter internal turning operations in job shop, production, and toolroom environments. It handles ferrous and non-ferrous workpiece materials where a right-hand cutting direction is required. The submicron carbide grade provides the hardness and wear resistance needed for finishing passes and tight-tolerance bores in steel, cast iron, aluminum, and similar materials. Typical applications include bore sizing on turned components, repair of worn bores, and finish boring after drilling or rough boring operations.

Key Features

• Submicron solid carbide construction for high hardness and wear resistance
• 0.12 inch minimum bore diameter for small, tight bore applications
• 0.8 inch maximum bore depth for shallow bore operations
• Right-hand cutting direction for standard lathe setup
• Bright finish coating reduces built-up edge and aids chip flow
• 3/16 inch shank diameter fits standard small-bore toolholders

Compatibility

Designed as a replacement or toolroom-stock boring bar for CNC and manual lathes using 3/16 inch shank toolholders requiring a right-hand, small-diameter internal boring tool.

Installation Notes

Installation is performed by a machinist or toolroom technician. Power down and lock out the machine spindle before seating or removing the bar from the toolholder. Ensure the shank is properly clamped with adequate overhang support to minimize vibration and deflection at depth. Follow the machine manufacturer and cutting tool manufacturer guidelines for feed rate and spindle speed selection appropriate to the workpiece material.