Techniks 04220-13 ER20 Collet 13mm Through Coolant

Product Description

The TECHNIKS 04220-13 is an ER20 series collet designed for precision workholding in CNC machining and milling applications. With a collet size of 13mm and a total indicator runout (TIR) of 0.0002 inches (0.005mm), this collet delivers the accuracy required for tight-tolerance toolholding. The through-coolant feature allows cutting fluid to flow directly to the cutting zone, supporting longer tool life and better chip evacuation. Machinists and CNC operators working with ER20-compatible toolholding systems will find this collet a direct fit for standard ER20 chucks and collet holders.

This collet is suited for use in vertical and horizontal machining centers, CNC mills, and multi-axis machines that accept ER20 collet chucks. It handles shank tooling at the 13mm size, making it appropriate for end mills, drills, reamers, and taps within that diameter range. The through-coolant design makes it particularly useful in high-speed or deep-pocket machining where flood coolant alone may not reach the cutting edge effectively.

Key Features

• ER20 collet series for compatibility with standard ER20 chucks and holders
• 13mm collet size for direct toolholder fitment at that shank diameter
• TIR of 0.0002 inches (0.005mm) for precision toolholding with minimal runout
• Through-coolant design channels cutting fluid directly to the tool tip
• Lightweight at 0.5 pounds for easy handling and quick changeout

Compatibility

Designed as an OEM-style replacement or standard fitment collet for ER20-compatible collet chucks and toolholding systems accepting 13mm shank tooling.

Installation Notes

Installation is performed by qualified machinists or CNC toolroom technicians. Always power down and lock out the machine spindle before changing collets. Ensure the collet, chuck bore, and clamping nut are clean and free of chips or debris before seating the collet. Do not exceed the torque or clamping specifications listed by the chuck manufacturer for ER20 components.