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The TE-CO 35004 is a 5C collet stop extension tube designed to extend the reach of a collet stop assembly inside a 5C collet chuck setup. It allows machinists to set consistent part depth during turning operations on lathes equipped with 5C collets. The extension tube positions the stop further into the collet bore, enabling accurate, repeatable stock stops for short or nested workpieces. At 0.29 pounds, the part is compact and lightweight, making handling and installation straightforward. Licensed machinists and CNC lathe operators are the primary users of this component in production and job-shop environments.
This extension tube is suited for use in production turning cells, manual lathes, and CNC lathes that use 5C collet systems. It is typically installed when a standard collet stop does not reach far enough into the collet to contact the workpiece at the desired depth. Applications include high-volume repetitive turning where consistent part positioning reduces setup time and scrap. The tube is a standard toolroom accessory used in metalworking shops requiring tight dimensional control on turned parts.
Designed as an OEM-style replacement and accessory component for lathes and turning centers equipped with 5C collet systems.
Installation is performed by a qualified machinist or toolroom technician. The lathe spindle must be fully de-energized and the chuck stationary before inserting or adjusting the collet stop extension tube. Verify that the tube seats properly within the collet stop assembly before securing the collet and running the spindle. Follow the machine manufacturer guidelines and applicable shop safety procedures when working inside the spindle bore.
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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