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Multiple models matched. Select your model to confirm fit.

MTD flange lock nut, 5/16-18.

MTD flange lock-nut, 1/4-20.

MTD flange lock nut, 5/8-18. This nut should be replaced if it has been removed.

Nut hex flange

Lock nut, 3/8-16

Locking nut, 1/4-20

Nut-hex flange lock

Nut-flange lock

Nut hex flng 5/16-18

Nut-lock flange

Nut-flange ni

Nut-hex-flange (l.h)

Nut-flange

Flange lock nut

Flange lock nut, 7/16-20
When it comes to maintaining your Craftsman string trimmer, ensuring the components are securely fastened is crucial. Genuine OEM flange nuts are designed to provide a precise fit, keeping your trimmer in optimal condition while maintaining the manufacturer's warranty. At Repair Clinic, you can find the right replacement parts for your specific string trimmer model.
Using genuine Craftsman flange nuts means you can confidently handle repairs, knowing you're using parts that meet the highest quality standards. If you're encountering issues with your trimmer head not spinning properly, it might be time to inspect and replace the flange nut to ensure everything is securely attached. For more complex repairs, explore our selection of Craftsman trimmer head parts to keep your equipment running smoothly.
Explore common questions about replacing flange nuts on Craftsman String Trimmers. This guide provides insights for both DIYers and professional technicians.
To replace the flange nut, ensure the trimmer is off and the spark plug is disconnected. Use a wrench to loosen and remove the old nut, then install the new flange nut securely. Remember to reconnect the spark plug before use.
Flange nut sizes can vary by model. Refer to your trimmer's manual or check the model number on your equipment. Repair Clinic offers a wide selection of String Trimmer parts to fit your needs.
A worn or damaged flange nut may cause the trimmer head to wobble or detach. Inspect regularly for signs of wear. If damaged, replacing it with a genuine OEM part from Repair Clinic ensures optimal performance.
Repair Clinic offers a comprehensive selection of Craftsman String Trimmer Starter Parts. Shop with confidence thanks to our Price Match Guarantee and 365-day return policy.


Ensure your Craftsman String Trimmer operates smoothly with genuine flange nut replacements. Whether you're a homeowner or a professional technician, finding the right flange nut for your weed eater is crucial for optimal performance. With our online ordering system, you can easily locate the exact replacement using your model or part number. Enjoy the convenience of same-day shipping, allowing you to quickly get back to work. Our Price Match Guarantee ensures you receive the best price on OEM parts, and our No-Hassle 365-Day Returns policy provides peace of mind. If your string trimmer won't start or the trimmer head won't spin, replacing worn parts like the flange nut could be the solution. For additional repair tips, visit our String Trimmer Repair Help page.
Identifying the correct model number is crucial when searching for Craftsman String Trimmer Flange Nut Replacement parts. The model number is typically located on a label or decal on the trimmer's body or shaft. By using this number on our site, you can quickly find the exact flange nut needed for your repair. This ensures compatibility and optimal performance. For those needing additional parts, you can easily find Craftsman string trimmer parts online to complete your repair seamlessly. Common issues like the trimmer line not feeding properly or the head not spinning may be resolved by ensuring all components, such as the flange nut, are in perfect condition.

At Repair Clinic, we're dedicated to helping you find the right Craftsman String Trimmer flange nut replacement quickly and easily. Our customer service is available seven days a week, offering live chat support for immediate assistance with String Trimmer parts online. Use our convenient model/part number lookup to pinpoint the exact part you need. Enjoy peace of mind with our no-hassle 365-day returns and price match guarantee on genuine OEM parts. If your String Trimmer won't start due to a faulty spark plug or clogged carburetor, we can guide you through replacing these components. For String Trimmers stalling or running rough, our experts can assist with fuel line inspections and air filter replacements. Trust Repair Clinic for reliable, DIY-friendly solutions and extensive repair resources. Reach out with any questions or for support, and confidently tackle your repairs with our help.

Learn the correct way to replace your string trimmer line for optimal performance. Follow these simple steps to ensure smooth trimming and prevent frustrating tangles or breakage.

Is your string trimmer head not spinning? Common causes include a worn drive shaft, faulty clutch, broken trimmer head, or tangled line. Diagnose and fix the issue with these expert tips.

A faulty spark plug can cause engine misfires, hard starts, rough idling, or power loss. Learn how to recognize bad spark plug symptoms and when to replace them for smooth operation.