About the STIHL Square Mowing Line
The STIHL Square Strimmer Wire is designed for superior cutting performance, offering a significant upgrade over traditional round strimmer lines. Its sharp, quadrilateral edges deliver a stronger, more efficient cutting action, making it ideal for tackling dense, woody grass and stubborn weeds. Whether for professional landscaping or home gardening, this heavy-duty strimmer wire is built to handle tough conditions with ease.
Exceptional Cutting Performance
Unlike standard round strimmer cords, this STIHL strimmer line is engineered for precision and durability. Each sharp edge slices through thick grass and stubborn weeds effortlessly, ensuring cleaner cuts, faster results, and reduced strain on your equipment. Ideal for overgrown areas, trimming along fences, and maintaining large lawns, it’s the best strimmer line for efficient, professional-grade results.
Its robust design also means fewer replacements, saving you time and effort while enhancing productivity. Whether you’re using a petrol strimmer or a battery-powered model, this heavy-duty strimmer line offers unbeatable reliability.
Versatile and Compatible
Available in a variety of diameters and lengths, this universal strimmer wire fits a wide range of STIHL and other branded strimmer heads. Simply select the size that best suits your model and cutting requirements.
- 1.5 mm strimmer line is perfect for lighter trimming tasks.
- 3 mm or 4 mm strimmer lines are ideal for heavy-duty jobs.
- STIHL 2mm strimmer line is great for general maintenance.
For quick compatibility checks, see the table below for STIHL’s recommended line diameters for various mowing heads. This ensures easy selection for strimmer line replacement and helps you find the right size to match your tool.
| Mowing Head | Part Number | Recommended Diameter (mm) | Other Compatible Diameters (mm) |
|---|---|---|---|
| TrimCut C 32-2 | 40027102198 | 2.4 | 2.7 / 3.0 |
| TrimCut C 42-2 | 40027102122 | 2.7 | 2.4 / 3.0 |
| TrimCut C 52-2 | 40027102117 | 2.7 | 2.4 / 3.0 / 3.3 |
| Line Spool | 64217104300 | 1.4 | – |
| Line Spool for AutoCut 2-2 | 40087104300 | 1.6 | – |
| Line Spool for AutoCut 2-2 | 40087104301 | 2.0 | – |
| Line Spool for AutoCut C 3-2 | 40097104304 | 1.6 | – |
| Line Spool for AutoCut 25-2 | 40027104321 | 2.4 | 2.7 |
| Line Spool for AutoCut 36-2/46-2/56-2 | 40037104310 | 2.7 | 2.4 / 3.0 / 3.3 |
| AutoCut 2-2 | 40087102100
40087102103 |
1.6 2.0 |
– – |
| AutoCut C 3-2 | 40097102106 | 2.0 | – |
| AutoCut C 6-2 | 40067102126 | 2.0 | 2.4 |
| AutoCut C 12-2 | 40107102100 | 2.4 | – |
| AutoCut 25-2 | 40027102108 | 2.4 | 2.7 |
| AutoCut C 26-2 | 40027102169 | 2.4 | 2.7 |
| AutoCut 27-2 | 40028202302 | 2.4 | 2.7 |
| AutoCut 36-2 | 40027102170 | 2.7 | 3.0 / 3.3 |
| AutoCut 46-2 | 40037102115 | 2.7 | 3.0 / 3.3 |
| AutoCut 56-2 | 40057102107 | 2.7 | 3.0 / 3.3 |
| SuperCut 20-2 | 40027102184 | 2.4 | – |
| SuperCut 40-2 | 40037102142 | 2.4 | – |







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