Hertel 72006307 Chucking Reamer 0.063 in Hss 4 Flute

Product Description

The HERTEL 72006307 is a high-speed steel (HSS) chucking reamer designed to finish-ream drilled or bored holes to a precise diameter of 0.0630 inches. With a straight-cylindrical shank, it seats securely in standard drill chucks and collet holders for accurate, repeatable hole sizing. The bright, uncoated HSS construction provides a good balance of hardness and toughness for a wide range of ferrous and non-ferrous materials. Four straight flutes with a right-hand cutting direction produce clean, smooth hole walls with consistent dimensional control. Overall length is 2.5 inches with a flute length of 0.5 inches. Machinists, toolmakers, and maintenance technicians reach for this reamer when holding tight tolerances on small-diameter holes in production and repair work.

This reamer is suited for use in manual drill presses, CNC machining centers, lathes, and hand-held drilling equipment capable of holding a straight-cylindrical shank. It addresses applications in the 0.0500 to 0.0999 inch diameter range where finish hole quality is critical, such as pin-hole sizing, bearing fits, and precision assembly work across light manufacturing, tool-and-die, and general machining environments.

Key Features

• 0.0630 inch finished hole diameter for precision small-bore sizing
• HSS tool material — handles ferrous and non-ferrous workpieces
• 4 straight flutes with right-hand cutting direction for clean, consistent finish
• Bright/uncoated surface — no coating buildup to affect hole diameter
• Straight-cylindrical shank for direct chuck or collet mounting
• Compact 2.5 inch OAL suited for close-clearance and short-reach applications

Compatibility

Designed as a standard chucking reamer for use with any drill chuck or collet system accepting a straight-cylindrical shank in the appropriate diameter range.

Installation Notes

Machine reamers should be installed only after the spindle and all power sources are fully de-energized and locked out per shop lockout/tagout procedures. Secure the shank firmly in the chuck or collet before operation to prevent runout. Always ream from a pre-drilled or bored hole — do not use a reamer to remove excessive stock. Use appropriate cutting fluid for the workpiece material to extend tool life and improve surface finish.