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The HELI-COIL 18551-02-15 is a front end assembly for power installation tools designed to drive threaded wire inserts into prepared holes. This component attaches to compatible power drivers and delivers consistent insert installation at the 2-56 UNC thread size. It accepts both bulk inserts and strip feed inserts, making it adaptable to different production and field-service workflows. Licensed technicians, machinists, and assembly professionals use this tool component when volume insert installation demands a faster, more repeatable process than manual hand tools provide.
This front end assembly is suited for applications where 2-56 UNC Heli-Coil inserts must be installed into aluminum, magnesium, cast iron, or other base materials requiring thread repair or thread strengthening. It is appropriate for both production assembly environments and maintenance repair operations where insert installation speed and consistency are priorities. The 2-56 thread size is common in light-duty fastening applications found in electronics enclosures, small mechanical assemblies, and precision instrument housings.
Designed for use with HELI-COIL power installation tool systems accepting front end assembly attachments. Compatible with bulk inserts and strip feed inserts in the 2-56 UNC thread standard. Consult the HELI-COIL tool system documentation to confirm driver body compatibility before ordering.
Installation of this front end assembly should be performed by qualified technicians familiar with Heli-Coil power tool systems. Ensure the power driver is fully de-energized and disconnected from its power source before attaching or removing the front end assembly. Verify that the base material has been drilled and tapped to the correct Heli-Coil specification for the 2-56 UNC thread size prior to insert installation. Follow the tool manufacturer's recommended engagement depth and torque procedures to avoid insert damage or improper seating.
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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