Description
Overview:
This Genuine Stihl Union Nut (MPN: 4223 677 8300) is an OEM fastener designed to securely join and clamp mating components on Stihl petrol drills and cut-off saws. Made from high-strength metal with a corrosion-resistant finish, it is built to withstand vibration, dust, and the demanding conditions found on site and in workshops. The hex-shaped body allows positive engagement with a spanner for consistent tightening and easy removal. Correct fitment helps maintain alignment, protects threads, and prevents loosening during operation. Ideal for keeping your equipment working reliably, it is suitable for a wide range of models, including the BT 45 and TS 350, where dependable connections are essential for safe and efficient performance. Genuine Stihl part for assured compatibility.
Key Features:
- Genuine Stihl OEM union nut for assured compatibility and fit
- Durable metal construction with corrosion-resistant finish
- Hexagonal body for secure spanner grip and controlled torque
- Precise threads for a firm, reliable connection under vibration
- Helps prevent loosening and protects mating threads
- Straightforward replacement using standard hand tools
- Supports long service life and consistent machine performance
- Suitable across multiple Stihl drills and cut-off saws
- Restores secure assembly when the original nut is worn or damaged
- Manufacturer Part Number: 4223 677 8300
- Alternate references: 4223-677-8300, 42236778300
Typical Applications:
Used to connect and secure assemblies on Stihl cut-off saws and the BT 45 drill, such as accessory interfaces, guards, brackets, housings, or hose/attachment couplings. Ideal wherever a robust, vibration-resistant threaded connection is required to keep components aligned and firmly clamped during heavy-duty cutting or drilling work.
Also known as:
Connector nut, coupling nut, sleeve nut, joining nut, union fastener, threaded coupling. These terms describe a hex-threaded nut used to join two components or fittings together to create a secure, serviceable connection.
Fits Models:
BT 45, BT45, TS 350, TS 350 AVE, TS 360, TS 400, TS 410, TS 420, TS 460, TS 510, TS 700, TS 760, TS 800, TS350, TS350AVE, TS360, TS400, TS410, TS420, TS460, TS510, TS700, TS760, TS800
Alternate Part Numbers:
4223-677-8300, 42236778300
Product Specifications
| L&S Part No. | 4223 677 8300 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42236778300 |
| Unit of Sale | 1 |
| Applications | BT 45, BT45, TS 350, TS 350 AVE, TS 360, TS 400, TS 410, TS 420, TS 460, TS 510, TS 700, TS 760, TS 800, TS350, TS350AVE, TS360, TS400, TS410, TS420, TS460, TS510, TS700, TS760, TS800 |
| Machine Type | Handheld Construction Tools, Disc Cutters |
| Fits Brands | Stihl |
| Fits Models | TS400 | TS410, TS420 | TS350, TS360 | TS700 | TS510 | TS460 | TS800 | BT 45 | TS760 |
