Accupro ACC-BBL180900 Boring Bar Submicron Solid Carbide

Product Description

The ACCUPRO ACC-BBL180900 is a solid carbide boring bar designed for precision internal boring operations on CNC lathes and manual turning centers. Built from submicron-grade carbide, it delivers the rigidity and edge retention needed for tight-tolerance bore work in hardened and abrasive materials. With a minimum bore diameter of 0.18 inches and a maximum bore depth of 0.9 inches, this bar is suited for small-bore applications where dimensional accuracy is critical. The bright finish leaves the carbide substrate exposed for direct heat dissipation during cutting. At 0.0625 pounds, it is a compact, lightweight tool that fits standard 1/4-inch shank toolholders.

This boring bar is intended for small-bore, short-reach applications in production and job-shop turning environments. It is configured for left-hand cut operations, making it appropriate for back-boring or non-standard spindle rotation setups. Machinists and CNC operators working with bores in the 0.18-inch range will find this bar compatible with standard 1/4-inch boring bar holders used on lathes and turning centers across both manual and CNC platforms.

Key Features

• Submicron solid carbide construction for high rigidity and wear resistance
• Minimum bore diameter of 0.18 inches for precision small-bore work
• Maximum bore depth of 0.9 inches
• Left-hand cutting direction for back-boring and reverse-rotation applications
• 1/4-inch shank diameter compatible with standard boring bar holders
• Bright finish with no coating for direct heat management at the cutting edge

Compatibility

Designed as an OEM-style replacement or direct-fit boring bar for standard 1/4-inch shank boring bar holders used in CNC and manual turning applications.

Installation Notes

Installation is performed by machinists or CNC setup technicians. The machine spindle must be fully stopped and locked out before mounting or adjusting the boring bar in the toolholder. Ensure the shank is seated to the correct overhang depth to minimize deflection, and confirm the left-hand cutting direction matches the programmed or intended spindle rotation before engaging the cut. Follow shop-standard tool-clamping torque procedures per the toolholder manufacturer guidelines.