Accupro ACC-BBL2301100 Boring Bar Micrograin Solid Carbide

Product Description

The ACCUPRO ACC-BBL2301100 is a left-hand cut solid carbide boring bar designed for precision internal boring operations on CNC and manual lathes. Manufactured from micrograin solid carbide with a bright finish, it delivers tight dimensional control in small-bore applications. The bar has a minimum bore diameter of 0.23 inches and a maximum bore depth of 1.1 inches, making it well suited for shallow, tight-tolerance bores where rigidity and tool life are critical. The 5/16-inch shank diameter and 2.5-inch overall length keep the setup compact and stable in close-clearance toolholders.

This boring bar is intended for use in machine shops, tool rooms, and production environments where small-diameter internal turning is required. Left-hand cutting geometry makes it the correct choice for specific spindle rotation or back-boring setups where a right-hand bar cannot be applied. Machinists and CNC operators working on precision components in metals, plastics, and composite materials will find this bar appropriate for finishing and semi-finishing passes in confined bore profiles.

Key Features

• Micrograin solid carbide construction for extended tool life and edge integrity in hard materials
• Left-hand cut geometry for back-boring or reverse-rotation applications
• 0.23 inches minimum bore diameter supports small, tight-clearance internal features
• 1.1 inches maximum bore depth for shallow blind and through-bore operations
• Bright finish coating resists built-up edge in non-ferrous materials
• Compact 2.5 inches overall length with 5/16 inches shank for rigid, low-overhang setups

Compatibility

Designed as a standard-shank boring bar compatible with 5/16-inch boring bar holders and tool blocks used on CNC lathes and manual turning centers.

Installation Notes

Installation should be performed by a qualified machinist with the machine powered down and the spindle locked before securing the bar in the toolholder. Ensure the shank is clamped with adequate contact length to minimize overhang and chatter. Verify cutting direction and spindle rotation match the left-hand geometry of this bar before initiating a cut. Follow the machine manufacturer's tooling setup guidelines and applicable shop safety procedures.