Hertel 2290047 Chucking Reamer 1/16 in 4 Flute Hss

Product Description

The HERTEL 2290047 is a high-speed steel (HSS) chucking reamer designed to finish-ream precision holes to close tolerances in metal workpieces. With a 1/16 inch (0.0625 inch) diameter and a straight-cylindrical shank, it mounts directly in a drill press, lathe, or CNC machine chuck without adapters. The 4-flute straight configuration provides smooth cutting action with right-hand rotation. A 1/2 inch flute length handles typical through-hole and shallow blind-hole applications at this diameter. The bright, uncoated HSS construction suits general-purpose reaming in steel, aluminum, brass, and similar materials. Machinists and toolroom technicians are the primary users for this style of precision cutting tool.

This chucking reamer is suited for small-diameter precision hole finishing in production and maintenance machining environments. It is well-matched to light-duty drill press work, lathe tailstock operations, and manual CNC tool-change setups where a 1/16 inch finished bore diameter is required. The straight-cylindrical shank fits standard collets and drill chucks commonly found in machine shops and maintenance departments. It is not a dowel pin reamer and is not an over or under-size reamer, meaning it is ground to the nominal 0.0625 inch diameter.

Key Features

• 0.0625 inch (1/16 inch) nominal reamer diameter for precision small-bore finishing
• 4-flute straight flute design for smooth, chatter-resistant cutting
• Right-hand cutting direction — standard for conventional machining setups
• HSS tool material — suitable for steel, aluminum, brass, and cast iron
• Bright uncoated finish — no coating to alter dimensional tolerance
• Straight-cylindrical shank for direct chuck or collet mounting

Compatibility

Designed as a standard chucking reamer for use in drill presses, lathes, and CNC machining centers equipped with a collet or drill chuck capable of holding a straight-cylindrical shank at this diameter range.

Installation Notes

Power down and lock out the machine before mounting or removing the reamer from the chuck or collet. Secure the straight-cylindrical shank firmly with appropriate collet torque per machine manufacturer guidelines. Use cutting fluid appropriate to the workpiece material to extend tool life and maintain hole quality. This tool is intended for trained machinists; improper feed rates or misalignment can cause tool breakage at this small diameter.