Accupro 784872 ER16 Collet 0.188 Inch

Product Description

The ACCUPRO 784872 is an ER16 series collet designed for use in CNC machining centers, milling machines, and other rotating spindle equipment that accepts ER16 toolholding systems. This collet clamps cutting tools with a decimal inch size of 0.188 inches and a minimum collet capacity of 0.172 inches, providing a secure, concentric grip across that clamping range. Machinists and toolroom technicians install ER collets as standard consumable toolholding components. The compact profile measures 1.9 inches in height and 1.2 inches in width and length, and the unit weighs 0.05 pounds.

This collet is suited for light-duty to general-purpose milling, drilling, and reaming operations where an ER16 collet chuck is already mounted on the spindle. The ER16 system is common on smaller vertical machining centers and manual knee mills used in production shops, toolrooms, and maintenance departments. It accepts shank diameters within its specified clamping range and is sold individually, making it straightforward to replace a worn or damaged collet without purchasing a full set.

Key Features

• ER16 collet series for use with ER16-standard collet chucks
• Nominal collet size of 0.188 inches with a minimum capacity of 0.172 inches
• Compact dimensions: 1.9 inches height, 1.2 inches width, 1.2 inches length
• Lightweight at 0.05 pounds for easy handling during tool changes
• Sold individually with a minimum order quantity of 1

Compatibility

Designed as a direct-fit replacement collet for any ER16-standard collet chuck or collet chuck holder that accepts the ER16 collet series.

Installation Notes

ER collets are installed and removed by machinists or toolroom technicians using the appropriate ER16 collet nut and spanner wrench. Before changing collets, power down the spindle and confirm the machine is in a locked-out, de-energized state per the facility lockout/tagout procedure. Insert the collet into the nut before placing it into the chuck body, and do not tighten the collet nut without a tool shank seated in the collet to avoid deforming the collet body.