Accupro ACC-BBL3202500 Boring Bar Solid Carbide

Product Description

The ACCUPRO ACC-BBL3202500 is a left-hand-cut boring bar machined from submicron solid carbide, designed for precision internal boring operations on CNC lathes and manual turning centers. It accepts a minimum bore diameter of 0.32 inches and reaches a maximum bore depth of 2.5 inches, making it suitable for small-to-mid-range bore applications where rigidity and dimensional accuracy are critical. The 3/8-inch shank diameter provides stable toolholder seating, and the bright finish coating reduces friction at the cutting edge. Machinists and CNC operators in production and job-shop environments rely on submicron carbide grade tooling for extended tool life in ferrous and non-ferrous materials.

This boring bar is suited for internal diameter finishing and semi-finishing passes where a left-hand cutting direction is required by the machining setup or part geometry. Typical applications include bore sizing on turned components, blind-hole finishing, and through-bore work within the 2.5-inch depth envelope. The 4-inch overall length accommodates standard boring bar holders in common quick-change and static toolpost systems used on benchtop and mid-size turning equipment.

Key Features

• Submicron solid carbide construction for wear resistance and edge stability
• Left-hand cutting direction for specific spindle orientation and part geometry requirements
• Minimum bore diameter of 0.32 inches for small internal bore access
• Maximum bore depth of 2.5 inches to handle deeper internal features
• Bright finish coating reduces built-up edge and cutting friction
• 3/8-inch shank diameter fits standard boring bar toolholders

Compatibility

Designed as an OEM-style replacement-grade boring bar for use in standard 3/8-inch boring bar toolholders on CNC and manual turning centers requiring left-hand-cut internal boring tooling.

Installation Notes

Installation is performed by qualified machinists or CNC setup technicians. Power down and lock out the machine spindle before inserting or adjusting the boring bar in the toolholder. Ensure the shank is seated fully and clamped evenly across the toolholder bore to prevent deflection during the cut. Verify cutting direction compatibility with spindle rotation before running the first pass.