Hertel MR34-0205.118 Chucking Reamer 0.52mm Solid Carbide

Product Description

The HERTEL MR34-0205.118 is a solid carbide chucking reamer designed for precision hole finishing in tight-tolerance applications. With a 0.52 mm reamer diameter and a diameter tolerance of 0.0000 to +0.0003 mm, this tool holds extremely close sizing accuracy. The spiral flute geometry with left-hand spiral direction promotes smooth chip evacuation during right-hand cutting operations. At 50 mm overall length with a 3 mm flute length, this reamer is built for shallow, precise reaming passes in small-bore work. It is intended for use by machinists and toolroom professionals working on precision components requiring controlled hole geometry.

This chucking reamer suits precision machining environments where small-diameter hole finishing is required. The straight shank mounts directly in standard drill chucks, collet chucks, or floating reamer holders on CNC machining centers, manual mills, and drill presses. With four flutes and a bright uncoated finish, the tool performs in a range of materials where carbide rigidity and dimensional accuracy are priorities. It is suited for production shops, toolrooms, and prototype machining work involving micro and miniature component bores.

Key Features

• Solid carbide construction provides rigidity and wear resistance for tight-tolerance hole finishing
• 0.52 mm reamer diameter with tolerance of 0.0000 to +0.0003 mm for precise bore sizing
• Left-hand spiral flute direction with right-hand cutting for effective chip management
• 4-flute design promotes surface finish quality and cutting stability at small diameters
• Straight shank compatible with standard drill chucks and collet holders
• Bright uncoated finish suitable for general-purpose reaming applications

Compatibility

Designed as an OEM-style precision chucking reamer for use in standard straight-shank tool holders on CNC machining centers, manual drill presses, and milling machines equipped for small-diameter reaming operations.

Installation Notes

Installation should be performed by a qualified machinist familiar with precision reaming procedures. Secure the straight shank fully in a collet chuck or drill chuck and verify runout before operation, as excess runout at this diameter will negatively affect bore tolerance. Ensure the workpiece is rigidly fixtured and that the spindle speed and feed rate are appropriate for the workpiece material and carbide tooling. Always power down the machine spindle completely before changing or adjusting the reamer.