Hertel 79890216 Chucking Reamer 11/64 in Solid Carbide

Product Description

The HERTEL 79890216 is a solid carbide chucking reamer designed for precision hole finishing in metalworking applications. Ground to a diameter of 0.1719 inches (11/64 inch) with a tolerance of 0.0000 to 0.0002 inches, this reamer delivers consistent, tight-tolerance bores in a single pass. The bright, uncoated solid carbide construction provides rigidity and wear resistance suited to ferrous and non-ferrous materials. With four straight flutes and a straight cylindrical shank, it mounts directly in standard chucks on lathes, drill presses, and CNC machining centers. Overall length is 2.75 inches with a flute length of 0.875 inches.

This chucking reamer is intended for production and maintenance machining environments where bore diameter accuracy is critical. Typical applications include finishing drilled or bored holes to close tolerances in job shop, tool room, and general manufacturing settings. The straight flute geometry is well suited to through-holes and shorter blind-hole applications where chip clearance is not a limiting factor. Right-hand cutting direction is standard for conventional spindle rotation.

Key Features

• Solid carbide construction for rigidity and extended tool life
• Reamer diameter of 0.1719 inches (11/64 inch) with tolerance of 0.0000 to 0.0002 inches
• Four straight flutes for clean, consistent material removal
• Bright, uncoated finish — no coating buildup to affect dimensional accuracy
• Straight cylindrical shank for direct chuck mounting
• Right-hand cutting direction, compatible with standard spindle rotation

Compatibility

Designed as a standard chucking reamer for use in lathe tailstocks, drill presses, and CNC machining centers equipped with chucks or collets sized to accept a straight cylindrical shank at the 11/64 inch diameter range.

Installation Notes

Installation and use should be performed by a qualified machinist or tooling technician. Always power down and lock out the spindle before mounting or removing the reamer. Secure the straight shank firmly in a properly sized chuck or collet to prevent runout. Use appropriate cutting fluid for the workpiece material to extend tool life and maintain bore finish quality.