Hertel 79889317 Chucking Reamer 0.108 in Solid Carbide

Product Description

The HERTEL 79889317 is a solid carbide chucking reamer designed for precision hole finishing in machining applications. With a reamer diameter of 0.108 inches and a tight diameter tolerance of 0.0000 to 0.0002 inches, this tool delivers accurate, repeatable hole sizing in production and toolroom environments. The straight flute geometry and right-hand cutting direction make it suited for through-hole and blind-hole reaming in a range of workpiece materials. At 2.25 inches overall length with a 0.625-inch flute length, this compact reamer is built for short-reach applications on CNC machining centers, drill presses, and manual lathes. Machinists and toolroom professionals install and operate this tool.

This chucking reamer is intended for use in precision metalworking and machining operations where final hole diameter control is critical. It is well suited for low-to-medium volume production runs, fixture and die work, and repair machining where tight tolerances must be held. The straight cylindrical shank allows direct mounting in standard chuck-style toolholders commonly found on machining centers, turret lathes, and drill presses. The bright, uncoated finish makes it appropriate for applications where coating buildup could affect tolerance performance.

Key Features

• Solid carbide construction for rigidity and wear resistance in hardened and abrasive materials
• 0.108-inch reamer diameter with 0.0000 to 0.0002-inch tolerance for tight hole sizing
• 4-flute straight flute design for smooth cutting action and consistent chip flow
• Right-hand cut with straight cylindrical shank for secure chuck-style toolholder mounting
• Bright uncoated finish preserves dimensional accuracy in tolerance-critical applications
• Compact 2.25-inch OAL and 0.625-inch flute length for short-reach setups

Compatibility

Designed for use in standard chuck-style toolholders with a straight cylindrical shank bore matching 0.108-inch nominal diameter chucking reamers on CNC machining centers, drill presses, and turret lathes.

Installation Notes

Installation and operation of this tool should be performed by a qualified machinist familiar with reaming procedures. Always power down and lock out the machine spindle before mounting or removing the reamer. Secure the straight shank fully in the toolholder to prevent runout and tool pull-out during cutting. Use appropriate cutting fluid for the workpiece material to extend tool life and maintain surface finish quality.