Micro 100 QBB-100500X Boring Bar Right Hand Solid Carbide

Product Description

The MICRO 100 QBB-100500X is a solid carbide boring bar designed for precision internal diameter machining on lathes and boring mills. It features a 0.1 inch minimum bore diameter and a maximum bore depth of 0.5 inches, making it well suited for tight, small-diameter bores where rigidity and accuracy are critical. The right-hand cutting direction and 3/16 inch shank diameter allow it to fit standard tool holders used in production and job-shop environments. At 1.5 inches overall length and 0.016 pounds, this is a compact tool built for close-tolerance work. Machinists and CNC lathe operators are the primary users.

This boring bar is used in applications requiring small-bore internal turning, including finishing and semi-finishing passes on ferrous and non-ferrous workpieces. Its solid carbide construction delivers the stiffness needed to minimize deflection in shallow, tight-bore conditions. It is a practical choice for production machining, toolroom work, and prototype shops where small-diameter internal features must be held to tight tolerances.

Key Features

• Solid carbide construction for maximum rigidity and reduced deflection in small bores
• 0.1 inch minimum bore diameter suits tight internal features
• 0.5 inch maximum bore depth for shallow internal turning passes
• Right-hand cutting direction for standard lathe and boring mill setups
• 3/16 inch shank diameter fits common small-bore tool holders
• Compact 1.5 inch overall length for close-clearance work

Compatibility

Designed as an OEM-style replacement and standard fit for small-bore boring bar tool holders accepting a 3/16 inch shank diameter in lathe and boring mill applications.

Installation Notes

Installation is performed by qualified machinists following standard tooling setup procedures. Ensure the machine spindle is fully stopped and locked out before changing or setting tooling. Secure the shank firmly in the tool holder to the holder manufacturer's recommended clamping torque using appropriate set screws and tooling wrenches. Verify bore depth and diameter clearances before initiating a cutting pass to avoid tool or workpiece damage.