Description
Overview:
A genuine Stihl tommy screw for Stihl brushcutters, part number 4147 790 7503. This hand-tighten screw combines a steel threaded stud with a tough polymer knob for reliable, tool-free clamping and adjustment on the machine. It is designed for Stihl FS-series professional brushcutters and clearing saws, such as the FS 240 and FS 260, where a secure yet easy-to-adjust fixing is needed. The dual-thread layout supports firm location of mating parts and quick set-up in the field. Built to Stihl's OEM specification, it helps maintain correct assembly, withstands vibration, and keeps key components locked in position to support safe, consistent operation.
Key Features:
- Genuine Stihl OEM part (4147 790 7503) for assured fit and quality
- Compatible with a wide range of Stihl FS brushcutters and clearing saws
- Dual-thread design: bottom thread approx. 2 cm (0.79 inches), top thread approx. 1 cm (0.39 inches)
- Steel stud with a durable, impact-resistant hand knob for repeated use
- Hand-tighten operation for quick adjustments without tools
- Secure clamping resists loosening under vibration during heavy cutting
- Smooth action for precise setting and re-setting on site
- Simple to install and replace as part of routine maintenance
- Suitable for both trade and domestic users who require reliable fastening
Typical Applications:
Used on Stihl FS-series brushcutters to secure and adjust assembly points that need frequent setting without tools. Common tasks include positioning and locking handles, guards, or other clamp-on components along the shaft, and making quick adjustments between operators or working conditions. Supports safe operation by keeping parts firmly in place while allowing rapid changes.
Also known as:
Thumb screw, clamping screw, wing screw, hand knob, hand-tighten knob, T‐handle screw, clamping bolt. These names describe the same style of manual fastening used for quick, repeatable adjustments on outdoor power equipment.
Fits Models:
FS 240, FS 240 C, FS 240 R, FS 240 RC, FS 260, FS 260 C, FS 260 R, FS 260 RC, FS 360 C, FS 410, FS 410 C, FS 460, FS 460 C, FS 460 RC, FS 490 C, FS 510, FS 510 C, FS 560, FS 560 C
Product Specifications
| L&S Part No. | 4147 790 7503 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 41477907503 |
| Unit of Sale | 1 |
| Applications | FS 240, FS 240 C, FS 240 R, FS 240 RC, FS 260, FS 260 C, FS 260 R, FS 260 RC, FS 360 C, FS 410, FS 410 C, FS 460, FS 460 C, FS 460 RC, FS 490 C, FS 510, FS 510 C, FS 560, FS 560 C, FS240, FS240C, FS240R, FS240RC, FS260, FS260C, FS260R, FS260RC, FS360C, FS410, FS410C, FS460, FS460C, FS460RC, FS490C, FS510, FS510C, FS560, FS560C |
| Machine Type | Brushcutters |
| Fits Models | FS360C FS410C | FS460C, FS460RC | FS490C, FS510C, FS560C | FSA400 | FS361C | FS411 C-EM | FS461 C-EM | FS491 C-EM | FS561 C-EM | FSA200 | FS461 C-EML |
