Hertel MR34-0433.406 Chucking Reamer 1.1mm Solid Carbide

Product Description

The HERTEL MR34-0433.406 is a solid carbide chucking reamer designed for precision hole finishing in tight-tolerance machining applications. Built with a 1.1 mm reamer diameter and a four-flute spiral configuration, this tool delivers consistent bore quality in materials where dimensional accuracy is critical. The straight cylindrical shank seats securely in standard collet chucks and drill press spindles. With an overall length of 50 mm and a 10 mm flute length, the tool provides the rigidity needed for small-diameter reaming without deflection. Diameter tolerance is held to 0.0000 to +0.0003 mm, making it suitable for precision fits in mechanical assemblies.

This chucking reamer is intended for use in CNC machining centers, lathes, and drill presses where close-tolerance bore finishing is required. The 1.1 mm diameter targets small-hole reaming tasks common in precision component manufacturing, mold work, and instrument fabrication. The bright uncoated finish keeps the tool ready for use across a range of ferrous and non-ferrous workpiece materials. Right-hand cutting direction with a left-hand spiral flute geometry helps pull chips away from the cutting zone during the reaming pass.

Key Features

• Solid carbide construction for rigidity and wear resistance in small-diameter reaming
• Four flutes with left-hand spiral geometry to assist chip evacuation
• Right-hand cutting direction for standard spindle rotation
• Diameter tolerance of 0.0000 to +0.0003 mm for precision bore finishing
• Bright uncoated finish suitable for general-purpose reaming applications
• Straight cylindrical shank for compatibility with standard collet and chuck toolholding

Compatibility

Designed as an OEM-style precision reamer for use in standard straight-shank collet chucks and drill press spindles accepting tools in the 1.1 mm diameter range.

Installation Notes

Installation and use should be performed by qualified machinists familiar with rotating cutting tool safety practices. Ensure the spindle and workpiece are fully secured before beginning the reaming operation. Select appropriate cutting fluid for the workpiece material to extend tool life and maintain bore finish quality. Inspect the reamer for edge wear or chipping before each use, as solid carbide tooling is brittle and sensitive to side-loading.