Heli-coil 8551-02-15 Front End Assembly Tool 2-56 Unc

Product Description

The HELI-COIL 8551-02-15 is a front end assembly for power installation tools, designed to drive strip feed threaded inserts into pre-tapped holes. This component attaches to a compatible power driver and delivers consistent, repeatable insert placement in production and repair environments. It is sized for the 2-56 Unified National Coarse thread standard, making it the correct front end for any strip feed operation at that thread size. Machinists, MRO technicians, and assembly line operators working with HELI-COIL insert systems select this assembly when equipping or re-equipping a power installation tool for a specific thread size and insert type.

This front end assembly is used wherever 2-56 UNC threaded inserts are installed at volume, including aerospace component repair, light manufacturing, electronics chassis assembly, and precision instrument production. It is compatible with strip feed inserts and is appropriate for both original equipment manufacturing and field repair workflows where thread restoration or thread creation in soft parent materials is required.

Key Features

• Thread size: 2-56 for use with 2-56 UNC inserts
• Unified National Coarse thread standard ensures broad dimensional compatibility
• Designed for strip feed insert delivery, supporting continuous-feed power installation
• Front end assembly format allows tool reconfiguration when switching between thread sizes
• Supports repeatable, production-rate insert installation when paired with a compatible power driver

Compatibility

Compatible with strip feed threaded inserts in 2-56 UNC thread size. Intended for use with HELI-COIL power installation tools that accept front end assembly components.

Installation Notes

Installation of this front end assembly should be performed by a qualified machinist or assembly technician familiar with HELI-COIL power tool systems. Ensure the power driver is fully de-energized before attaching or removing the front end assembly. Consult the tool manufacturer's documentation to confirm proper engagement and torque requirements for the assembly attachment interface. Do not operate the tool without verifying that the insert size and front end assembly size match the tapped hole specification.