Cleveland C25187 Chucking Reamer 0.1130 in Hss Straight

Product Description

The CLEVELAND C25187 is a straight-flute chucking reamer machined from high-speed steel (HSS) and finished bright/uncoated. It carries a wire gauge diameter of #33, equal to 0.1130 decimal inch, and delivers a right-hand cutting action through four straight flutes. Overall length is 3.5 inches with a flute length of 0.875 inches. The straight shank seats directly in a drill press, lathe, or CNC chuck. HSS construction holds an edge well across a broad range of workpiece materials, making this reamer a reliable choice for production and maintenance shops that need consistent hole sizing at smaller diameters.

This reamer is suited for precision hole finishing in metalworking applications where a #33 wire gauge diameter is required. Typical use cases include fixture building, jig work, toolroom operations, and general machining where reamed holes must hold tight tolerances. The straight flute geometry works well in through-holes and performs consistently in short-chipping materials. It installs in standard machine tool holders without adapters, keeping setup time low on drill presses, lathes, and knee mills.

Key Features

• Wire gauge diameter #33 — 0.1130 decimal inch for accurate hole sizing
• Four straight flutes with right-hand cutting direction
• High-speed steel construction for durability across common workpiece metals
• Bright/uncoated finish — ready to use as received or receptive to shop-applied lubricants
• Straight shank compatible with standard drill chucks and collet holders
• 3.5-inch OAL with 0.875-inch flute length for controlled depth engagement

Compatibility

Designed for use in standard drill press, lathe, or CNC machine tool holders accepting a straight shank at the 0.1130-inch diameter range.

Installation Notes

Chucking reamers are installed and operated by trained machinists. Power down and lock out the machine before mounting or removing the reamer from the chuck. Ensure the shank is fully seated and the chuck is tightened securely before starting the spindle. Use an appropriate cutting fluid for the workpiece material to extend tool life and achieve the target surface finish. Never use a reamer to remove excessive stock — pre-drill the hole to within a few thousandths of final diameter before reaming.