Reclaim severely overgrown land with the STIHL 300mm Brush Knife (20mm Arbor). This professional-grade, three-point steel blade is specifically balanced for high-output, large-displacement brushcutters. Engineered to slice through the thickest wild growth, heavy reeds, and matted thickets, this knife is the ultimate solution for demanding forestry and municipal clearing projects.
The [STIHL 300mm Brush Knife](http://googleusercontent.com/shopping_content/0_link) features a high-strength steel construction that holds its edge even under heavy use. Its reversible design allows the operator to flip the blade for a fresh cutting surface, effectively doubling the time between sharpenings. With a 300mm (11.8") diameter, it provides the wide clearing path necessary for maximum productivity on large acreage.
Compatibility Note: This specific 20.0mm arbor version is designed for use with high-capacity professional models, including the FS 311, FS 361 C-EM, FS 461 C-EM, FS 561 C-EM, and the battery-powered FSA 400 series. Always use with the correct brushcutter deflector for metal tools.
Key Features & Benefits
Extreme Clearing Capability
- High-Torque Tri-Blade: Optimized to maintain momentum while cutting through woody stalks, dense reeds, and thorny light scrub.
- Reversible Edge: When the initial edges dull, simply flip the blade to access three brand-new cutting surfaces, maximizing your time in the field.
- Professional Diameter: The 300mm swath is designed to clear large areas quickly while perfectly matching the gearhead output of professional powerheads.
Industrial Durability
- Specialized Steel Alloy: Forged to resist deformation and chipping when encountering hidden obstacles in thick brush.
- Precision Balance: Genuine STIHL engineering ensures minimal vibration, protecting your equipment's gearbox and reducing operator arm fatigue.
- Serviceable Design: The blade can be easily maintained and resharpened with a flat file to ensure consistent "like-new" performance.
Specialized Fitment
- 20.0mm Arbor: Specifically sized for the larger gear shafts found on STIHL’s most powerful clearing saws and brushcutters.
- Forestry Grade: Built to meet the standards required for professional forestry applications and heavy-duty right-of-way maintenance.
Technical Specifications
| Attachment Type | Brush Knife / Tri-Blade |
| Diameter | 300 mm (11.8") |
| Arbor Size | 20.0 mm |
| Blade Material | Specialized High-Strength Steel |
| Number of Blades | 3 |
| Compatability | FS 311, FS 361 C-EM, FS 461 C-EM, FSA 400, FSA 400 K, FS 561 C-EM |