Hertel 2291235 Chucking Reamer No. 23 Hss 0.154 in

Product Description

The HERTEL 2291235 is a straight-flute chucking reamer designed to finish-ream drilled holes to a precise diameter of 0.1540 inches (No. 23 wire size). Manufactured from high-speed steel (HSS) with a bright, uncoated finish, it delivers consistent bore quality in a wide range of ferrous and non-ferrous workpiece materials. The straight-cylindrical shank seats securely in standard drill chucks and collet holders. With a 4-inch overall length and a 1-inch flute length, this reamer is well suited to benchtop drill presses, CNC machining centers, and manual lapping operations requiring close-tolerance hole finishing.

This reamer is used in general metalworking, toolroom, and maintenance machining applications where a No. 23 wire-size finished bore is required. Right-hand cutting direction is standard for conventional machine spindle rotation. The bright HSS construction makes it a practical choice for shops reaming aluminum, brass, mild steel, and similar machinable materials. It is sold and packaged as a single unit, making it easy to reorder as a direct replacement when a reamer reaches end of service life.

Key Features

• Reamer diameter: 0.1540 inches (No. 23 wire size)
• High-speed steel (HSS) construction for broad material compatibility
• Straight flute geometry for smooth chip evacuation in through-hole applications
• Straight-cylindrical shank fits standard drill chucks and collet holders
• Bright, uncoated finish — no coating buildup affecting final hole diameter
• Right-hand cutting direction for standard spindle rotation

Compatibility

Designed as a standard chucking reamer for use in any machine spindle or drill press accepting a straight-cylindrical shank in the applicable diameter range.

Installation Notes

Chucking reamers are installed by machinists and toolroom technicians in drill presses, mills, or CNC machining centers. Power down and secure the workpiece before mounting or removing the reamer from the chuck or collet. Use cutting fluid appropriate for the workpiece material to extend tool life and improve hole finish. Always pre-drill to the correct pilot diameter before reaming — do not use a chucking reamer to remove excessive stock.