Hertel 79889580 Chucking Reamer 0.145 in Solid Carbide

Product Description

The HERTEL 79889580 is a solid carbide chucking reamer designed for precision hole finishing in machining operations. With a reamer diameter of 0.145 inches and a diameter tolerance of 0.0000 to 0.0002 inches, it delivers tight, repeatable bore sizing on the finish pass. The 4-flute straight flute geometry and right-hand cutting direction make it suitable for use in CNC machining centers, drill presses, and manual lathes. At 2.5 inches overall length with a 0.75-inch flute length, this reamer is built for shallow to moderate depth applications where dimensional accuracy is critical. The solid carbide construction provides rigidity and wear resistance on ferrous and non-ferrous workpiece materials.

This chucking reamer is used in production and job-shop environments where reamed hole tolerances are required after drilling. The straight cylindrical shank allows direct clamping in standard drill chucks, collet chucks, or floating reamer holders. It is suited for metalworking applications including automotive components, hydraulic manifolds, and precision mechanical assemblies where bore finish and diameter control are specified on the print. Machinists and CNC operators performing finish-bore work on through holes or blind holes in moderate depth situations will find this reamer a direct fit for the task.

Key Features

• 0.145-inch reamer diameter with a tight tolerance of 0.0000 to 0.0002 inches for precision hole sizing
• Solid carbide construction for rigidity and extended tool life compared to high-speed steel
• 4-flute straight flute geometry supports consistent chip evacuation and surface finish
• Bright/uncoated finish suitable for use with standard cutting fluids
• Straight cylindrical shank compatible with standard drill chucks and collet holders
• Right-hand cutting direction, standard for conventional reaming operations

Compatibility

Designed as an OEM-style chucking reamer for use in standard drill chucks, collet chucks, or floating reamer holders accepting a straight cylindrical shank at 0.145-inch nominal diameter.

Installation Notes

Chucking reamers are installed and operated by machinists and CNC operators. Ensure the spindle is fully stopped and the machine is in a safe state before changing tooling. Secure the straight shank firmly in the chuck or collet to prevent runout, which directly affects bore tolerance. Use appropriate cutting fluid for the workpiece material to maintain tool life and achieve the specified surface finish. Follow shop-standard feeds and speeds for solid carbide reamers based on workpiece material.