Kennametal 1950155 ER32 Collet 0.5625 Inch

Product Description

The KENNAMETAL 1950155 is an ER32 precision collet sized at 0.5625 inches (9/16 inch) for use in ER32-compatible collet chucks on CNC machining centers, lathes, and milling machines. It delivers a total indicator runout (TIR) of 0.0203 mm (0.000800 inches), making it suitable for applications that require tight concentricity tolerances. The overall length is 1.5750 inches (40.01 mm). Machinists and toolroom technicians install this collet when holding round-shank cutting tools, drills, reamers, or end mills within an ER32 chuck body.

This collet is intended for use in standard ER32 collet chuck systems found in both manual and CNC machine tool environments. Typical applications include precision drilling, reaming, tapping, and milling operations in job shops, production facilities, and maintenance toolrooms. The minimum collet clamping capacity is 0.5225 inches, giving a nominal clamping range suitable for the stated tool shank diameter. It is a single-collet package intended as a direct replacement or additional unit in an existing ER32 tooling setup.

Key Features

• ER32 collet series with 0.5625 inch (9/16 inch) nominal size
• Low TIR of 0.0203 mm (0.000800 inches) for precise concentricity
• Overall length of 1.5750 inches (40.01 mm) for standard ER32 chuck fitment
• Minimum collet capacity of 0.5225 inches supports a practical clamping range
• Single-unit packaging for individual replacement or tooling inventory builds

Compatibility

Designed to fit standard ER32 collet chuck systems. Specific machine or chuck model compatibility was not provided in available product data; verify chuck designation is ER32 before installation.

Installation Notes

Installation is performed by a machinist or toolroom technician. Power down and lock out the machine spindle before inserting or removing any collet. Seat the collet fully into the ER32 collet nut before threading onto the chuck body, and tighten with the appropriate ER collet nut wrench to the machine tool builder's recommended procedure. Do not use impact tools on collet nuts, as this can damage the collet taper or chuck threads.