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The TECHNIKS 04216-7/64 is an ER16 collet designed for use in CNC machining centers, milling machines, and other spindle-driven equipment that accept the ER16 collet series. This collet provides a secure clamping interface between the tool holder and the cutting tool, transmitting rotational force with minimal runout. With a Total Indicator Runout (TIR) of 0.0002 inches, it is suited for precision machining applications where concentricity directly affects surface finish and tool life. The overall length measures 1.083 inches. Installation and tool changes are performed by qualified machinists or tooling technicians.
ER16 collets are widely used in light to medium-duty milling, drilling, reaming, and tapping operations across both job shop and production environments. The compact ER16 form factor fits a broad range of tool holders, spindles, and CNC chucks designed around the ER16 standard, making this collet a common consumable in machine shop tooling inventories.
Designed as an OEM-style replacement or standard tooling collet for use with ER16-series tool holders, collet chucks, and spindles that accept the ER16 collet standard.
Installation should be performed by a qualified machinist or tooling technician. The spindle or tool holder must be fully de-energized and brought to a complete stop before inserting or removing the collet. Use the appropriate ER16 collet nut and spanner wrench to seat and torque the collet properly - do not use makeshift tools. Inspect the collet bore and tool holder taper for contamination or wear before each installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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