Medium
15-30 minutes
This is an authentic part which is sourced from original equipment manufacturer. It is generally used on handheld trimmers/edgers. This nut is designed to secure cutting blade to the trimmer shaft. Please note you would need a properly sized wrench when installing/removing this nut. Includes one (1) nut per order.
Nut-blade Lock 712-04105
OEM part for: Ryobi
Part Number: 712-04105
$11.49
In Stock
Ships within 1 business day 
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Compatibility
This Nut-blade Lock will fit the following 200 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Edger Parts
- Trimmer Parts
This part replaces obsolete part #: 791-613221, 791-147491, 791-181699
Customer Part Reviews ?
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The Nut you Need for your Edger
Stripped the lock nut on my edger. Came a bit too tight from the factory. Anyways works great and back in business. Shipping was higher than I’d expected for a little nut. You can get “free” shipping elsewhere but the nut will cost you more. Net Nut cost the same
Guest -
June 25, 2022
Verified Purchase
Small Part But Big Need
Required part was delivered on time as specified and arrived ready to be installed. Back up and running. Many thanks!!!
Guest -
April 6, 2022
Verified Purchase
Exact reverse thread and size Ineeded.
Just as described. Fit was perfect and shipping was actually a little early,
Rogelio -
April 29, 2021
Verified Purchase
Worked as expected, great item
Arrived quickly.
Guest -
December 11, 2020
Verified Purchase
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
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We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Nut-blade Lock
Is part # 712-04105 nut right or left handed thread?
Robert
for model number Ryobi 790r
asked on 2023-04-20
Hi Robert,
Thank you for your question. The nut has left-handed threads. We hope this helps!
eReplacementParts Team April 20, 2023
Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Lost blade nut
Steve - May 25, 2016
👍 4 of 6 people found this instruction helpful
Tool Type
Edger
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Parts Used
Simply threaded the new blade nut on the spindle.
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Unit had sat idle for several years
Roger - July 25, 2018
Tool Type
Trimmer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Nutdriver
Replaced all fuel lines, fuel filter and all gaskets and diaphragms in carburetor. Filled with fresh fuel and turned over on 6th pull.
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OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
