Description
Overview:
The Hexagon Screwdriver 4 mm (Stihl OEM No. 5910 890 2307) is a genuine Stihl service tool for tightening and loosening internal hex fasteners on outdoor power equipment and workshop machinery. Built for routine maintenance and assembly tasks, it combines a durable steel hex tip with a robust handle that gives steady control and torque. The 4 mm across-flats size suits common socket-head fasteners found across chainsaws, brushcutters, hedge trimmers, cut-off saws, blowers, and other garden or construction tools. As a genuine Stihl part, it offers dependable fit and the right feel for professional and DIY use. Keep it in your kit for accurate, repeatable fastening without damaging screw heads or surrounding components.
Key Features:
- Genuine Stihl part (OEM 5910 890 2307) for assured quality and compatibility
- 4 mm across-flats hex tip for precise engagement with internal hex screws
- Tough steel driver shaft engineered for long service life and reduced wear
- Positive, comfortable grip to apply controlled torque with less effort
- Compact, workshop-friendly form factor for access in tighter assemblies
- Clean, accurate tip geometry helps protect screw heads from rounding
- Suitable for regular maintenance and assembly across a wide tool range
- Stable, reliable performance for trade, agricultural, landscaping, and DIY use
- Simple to stow in a toolbox or on-vehicle kit for site or field work
Typical Applications:
Fastening and unfastening 4 mm internal hex screws on outdoor power equipment and workshop fixtures. Useful for assembling housings, guards, handles, brackets, engine covers, accessories, and fixtures on chainsaws, brushcutters, hedge trimmers, cut-off saws, and similar machinery. Suits routine servicing, repairs, and setup work in the workshop or on site.
Also known as:
Internal hex screwdriver, 4 mm Allen driver, hex wrench screwdriver, 6-sided hex driver, hexagon key driver, metric hex driver, service hex tool, Stihl hex driver.
Alternate Part Numbers:
5910-890-2307, 59108902307
Product Specifications
| L&S Part No. | 5910 890 2307 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 59108902307 |
| Unit of Sale | 1 |
| Size | Hexagon Shape: 4mm Across Flat Edges |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part for assured quality and compatibility - 4 mm hex tip for precise internal hex screw engagement - Tough steel shaft for long service life and reduced wear - Comfortable grip for controlled torque application - Compact form for access in tight assemblies |
