Hertel 72034168 Chucking Reamer 0.4160 in Hss 6 Flute

Product Description

The HERTEL 72034168 is a high-speed steel (HSS) chucking reamer designed to finish-ream drilled or bored holes to precise tolerances. With a reaming diameter of 0.4160 inches and an overall length of 7 inches, this tool is built for use in CNC machining centers, manual lathes, and drill presses. The straight-cylindrical shank provides secure chuck retention, while the 6-flute straight flute geometry delivers smooth, consistent cutting action in a right-hand direction. The bright, uncoated finish is standard for general-purpose HSS reaming applications across ferrous and non-ferrous materials.

This reamer is suited for machine shop and production environments where hole sizing accuracy and surface finish quality are required. The 1.75-inch flute length makes it appropriate for moderate-depth reaming passes in through-holes and shallow blind holes. It is typically used by machinists, tool-and-die workers, and maintenance technicians working on close-tolerance fitments for pins, bearings, and bushings. This is a single-piece, individual-unit tool with no special coatings, making it straightforward to resharpen using conventional grinding equipment.

Key Features

• 0.4160-inch reaming diameter for precision hole finishing
• High-speed steel (HSS) construction for durability across general-purpose materials
• 6 straight flutes for consistent chip evacuation and smooth bore finish
• Right-hand cutting direction compatible with standard machine spindle rotation
• Straight-cylindrical shank for direct chuck mounting on lathes, drill presses, and machining centers
• Bright, uncoated finish suitable for regrinding and reuse

Compatibility

Designed as a general-purpose chucking reamer for use in standard drill chucks and collet systems that accept a straight-cylindrical shank. Compatible with CNC and manual machines capable of holding straight-shank tooling at the appropriate diameter.

Installation Notes

This tool is installed by a machinist or tooling technician. Secure the shank firmly in the chuck or collet before operation and verify runout before engaging the workpiece. Always set spindle speed and feed rate appropriate for the workpiece material and reamer diameter before cutting. Ensure the machine is fully stopped and locked out before changing or inspecting the tool.