Stihl Tommy Screw M6 - OEM Number: 4147-790-7501

The Stihl Tommy Screw M6 (OEM 4147-790-7501) is a genuine replacement hand-tightening screw designed for use on selected Stihl professional brushcutters and clearing saws. The screw is used to securely clamp and retain components such as the handlebar assembly, allowing adjustments to be made quickly without requiring additional tools.

Featuring an M6 thread and a hand-operated knob, the Tommy Screw provides secure clamping while allowing convenient adjustment during machine setup and maintenance. Manufactured to Stihl specifications, it is designed to withstand vibration and repeated use in demanding grounds maintenance applications.

FUNCTION AND OPERATION

• Provides secure hand-tightened fastening
• Allows quick adjustment without tools
• Helps securely retain the handlebar assembly
• Maintains correct component positioning during operation
• Resists loosening caused by machine vibration
• Designed for professional brushcutter and clearing saw applications

TECHNICAL DETAILS

• OEM Part Number: 4147-790-7501
• Type: Tommy screw / hand-tightening screw
• Thread Size: M6
• Function: Component clamping and adjustment
• Application: Selected Stihl brushcutters and clearing saws
• Design: Genuine OEM replacement component

TYPICAL APPLICATIONS

Suitable for selected Stihl equipment, including:

• FS 260 C-E
• FS 261 C-E
• FS 360 C-EM
• FS 361 C-EM
• FS 410 C-EM
• FS 411 C-EM
• FS 460 C-EM
• FS 461 C-EM
• FS 490 C-EM
• FS 491 C-EM
• FS 510 C-EM
• FS 560 C-EM
• FS 561 C-EM

Always verify compatibility using the machine model, serial number, and OEM part number before ordering, as some Stihl models use different M6 and M8 fastening arrangements.

IMPORTANT INFORMATION

Always ensure the Tommy Screw is correctly fitted and securely tightened by hand before operating the machine. Do not overtighten, as excessive force can damage the threads or associated components.

Common signs that the Tommy Screw requires replacement include damaged or stripped threads, a damaged hand knob, difficulty tightening, excessive wear, or failure to securely retain the associated component. When replacing the screw, inspect the threaded insert, clamp, handlebar mounting components, and surrounding hardware for signs of wear or damage.

DELIVERY OPTIONS (UK mainland only)

Next Day Delivery*
£11.95 or FREE for orders over £150
Orders placed before 4pm Monday to Friday will be delivered on the next business day.
Orders placed after 4pm on Friday will be delivered the following Tuesday.
*Next day delivery applies to stocked items only. Availability can be found on the product pages.

Premium Delivery*
£30.00 for delivery before 10:30am
£25.00 for delivery before 12:30pm
*Premium delivery applies to stocked items only. Availability can be found on the product pages.

For all other countries, please click here for full delivery information.

**Separate carriage charges apply to bulk products such as 205L barrels.