Hertel 72035520 Chucking Reamer 0.5520 in Hss Straight Flute

Product Description

The HERTEL 72035520 is a straight-flute chucking reamer designed for precision hole finishing in metalworking applications. Manufactured from high-speed steel (HSS) with a bright, uncoated finish, this reamer delivers accurate bore sizing at a nominal diameter of 0.5520 inches. The straight-cylindrical shank allows direct chuck mounting in drill presses, lathes, and CNC machining centers. With 8 flutes and a right-hand cutting direction, the tool provides smooth, consistent stock removal and tight tolerances on through-holes and blind holes. Overall length is 8 inches with a 2-inch flute length. Weighing 0.19 pounds, it is a compact, purpose-built tool suited for production and maintenance machining environments.

This chucking reamer is suited for machine shop operations, maintenance facilities, and toolroom work where close-tolerance hole finishing is required. It is appropriate for use in ferrous and non-ferrous materials where an HSS cutting edge meets hardness requirements. The straight-cylindrical shank fits standard Jacobs-style chucks and collet systems commonly used on lathes, drill presses, and knee mills. It is sold individually and is a standard catalog item for machinists who need a reliable, general-purpose reamer in the 0.5000 to 0.6999-inch diameter range.

Key Features

• 0.5520-inch nominal reamer diameter for precision bore finishing
• HSS construction provides durability across a range of workpiece materials
• 8 straight flutes with right-hand cutting direction for smooth material removal
• Bright, uncoated finish — no coating buildup to affect dimensional accuracy
• Straight-cylindrical shank for direct chuck or collet mounting
• 2-inch flute length suitable for standard-depth finishing passes

Compatibility

Designed as an OEM-style chucking reamer for use in any machine tool equipped with a standard straight-cylindrical shank chuck or collet; compatible with equipment accepting shanks in the 0.5000 to 0.6999-inch diameter range per the manufacturer specification grouping.

Installation Notes

Installation is performed by qualified machinists or toolroom technicians. Secure the straight-cylindrical shank firmly in a Jacobs chuck or collet before use, and verify runout with an indicator before taking finishing cuts. Ensure the machine spindle is at a full stop before tool changes. Follow applicable shop safety procedures and manufacturer feed-and-speed guidelines for HSS reamers in the material being machined.