Description
Overview:
The Heli‐Coil Thread (M6) for Husqvarna machines is a genuine replacement insert used to restore and reinforce damaged M6 threads in Husqvarna equipment such as chainsaws and trimmers. Made from precision‐formed metal wire, the insert recreates a durable internal thread that accepts standard M6 bolts, helping maintain clamp load in high‐vibration assemblies. It is suitable for use in cast aluminium and magnesium housings typically found on saw crankcases, starter covers, muffler mounts, and handle fixings. By repairing worn or stripped threads, it avoids costly component replacement and keeps equipment safe, reliable, and serviceable. Supplied under OEM number 504 90 09‐06 (MPN 504900906), it is designed for straightforward installation using the correct drill, tap, and insertion tool. Genuine Husqvarna part for consistent fit and performance.
Key Features:
- Genuine Husqvarna OEM M6 thread insert for accurate, reliable repairs.
- Restores original M6 thread size to accept standard metric fasteners.
- Durable internal thread designed for repeated bolt removal and refitting.
- Helps resist loosening from vibration and heat in demanding applications.
- Ideal for aluminium and magnesium housings on outdoor power equipment.
- Clean repair that preserves component alignment and structural integrity.
- Compact coil design minimises material removal during drilling.
- Identified by OEM 504 90 09‐06 / MPN 504900906 for easy cross‐reference.
- Compatible with standard thread‐repair tooling (drill, STI tap, insertion tool).
- Supports planned maintenance and extends the service life of assemblies.
Typical Applications:
Used to repair stripped or worn M6 threads in Husqvarna chainsaws, brushcutters, and trimmers. Common locations include muffler screws, starter housing fixings, handle mounts, covers, and ancillary brackets. Suitable for restoring fastening strength after over‐tightening, corrosion, or cross‐threading, and for reinforcing softer base materials to improve long‐term reliability.
Also known as:
Wire thread insert, screw thread insert, thread repair coil, recoil insert, STI insert, thread restoration insert, coil‐type thread repair.
Alternate Part Numbers:
504 90 09-06, 504900906
Product Specifications
| L&S Part No. | 504 90 09 06 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 504900906 |
| Unit of Sale | 1 |
| Machine Type | Brushcutters, Chainsaws, Hedgetrimmers, Pole Pruners |
| Fits Brands | Husqvarna |
| Key Features | - Genuine Husqvarna OEM M6 thread insert for accurate repairs - Restores original M6 thread size for standard fasteners - Suitable for aluminium and magnesium housings - Resists loosening from vibration and heat - Compatible with standard thread-repair tooling |
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