Easy
Less than 15 minutes
It is an authentic high quality piece of hardware commonly utilized on walk behind lawn mowers. This nut is supplied directly from original equipment manufacturer. It is generally used to secure the trail shield. Please note, this metal square nut is sold individually.
Nut-square 1/4-20 712-04222
OEM part for: MTD, Bolens
Part Number: 712-04222
$5.49
In Stock
Ships within 1 business day 
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Compatibility
This Nut-square 1/4-20 will fit the following 1142 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:
- Lawn Mower Parts
Customer Part Reviews ?
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Exactly what I needed.
I have bought several items from Ereplacement and have never been disappointed. Excellent prices and products. Easy site to use. Great service.
Cathy -
July 28, 2023
Verified Purchase
Nut replacement
This nut that holds handle to mower got lost long time ago finally found one. Fit right into the slot.
Guest -
April 28, 2023
Verified Purchase
Good Service
Good Service as usual.
Guest -
June 20, 2021
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-square 1/4-20
Don't know it go on the baterry. Post. In the slot. To hold the posts bolts tieit
David
asked on 2022-03-08
Hi David,
Thank you for your question. To install the part, insert the square nut into the slot and line it up with the hole in the handle. Screw the bolt in snugly, but do not overtighten. If you have any questions, please let us know. We are open 7 days a week. We look forward to hearing from you!
eReplacementParts Team March 08, 2022
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.
the 1/4 square nut and bolt vibrated loose, came apart and fell out
Wesley - August 12, 2019
👍 1 of 1 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers
bought another 1/4 square nut and bolt. inserted square nut into slot. line up with the hole in the handle and screw the bolt in snugly. do not over tighten. check periodically
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Replaced front axle assembly after worn axle would not retain height adjustment
Joseph - May 3, 2024
Tool Type
Lawn Mower
Difficulty
Easy
Time
30-60 minutes
Tools Used
Wrench Set
Removed worn axle,height adjustment plate, and front cover, and replaced with new parts. Fit perfectly. Easy fix.
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Missing nut & wing knob due to vibrating off lower mower arm for 625 series (2011) Yard-Man
Trevor - April 9, 2022
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, My hands
Easy peasy...my model wasn't even listed for these parts, but they looked the same, and they were identical for a Yard-man 625 series push mower (2011).
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replace lost bolt
Robert - May 16, 2020
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Pliers
Parts Used
inset bolt
tight up
tight up
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My mower broke the hieght adjuster and I lost one of my wing nuts from all the vibation.
Juventino - September 12, 2017
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Pliers, Socket set, Adjustable Wrench
I replaced the front axle and the height adjuster. Replaced the wing nut and the discharge chute. I propped the mower up and removed the wheels. Then, removed the axle and the height adjuster. Then, replaced all parts.
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Lawn mower handle broke
John - September 27, 2016
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set, One wire tie
The upper handle broke on one side just above the bolts that attached it to the lower handle and I had lost a nut and wing knob that holds the handle in place on the case. Completed the following steps:
1. Cut the wire tie holding the throttle safety cable
2. Removed the bolts in the handle
3. Removed the broken handle
4. Removed the throttle safety handle
5. Removed the starter pull cord
6. Attached the starter pull cord to the new handle
7. Attached the throttle safety handle to the new handle
8. Attached the new handle with the bolts
9. Replaced the new wire tire on the handle to hold the throttle safety cable
10. Replaced the lost nut and wing knob to the base of the handle on the mower case
1. Cut the wire tie holding the throttle safety cable
2. Removed the bolts in the handle
3. Removed the broken handle
4. Removed the throttle safety handle
5. Removed the starter pull cord
6. Attached the starter pull cord to the new handle
7. Attached the throttle safety handle to the new handle
8. Attached the new handle with the bolts
9. Replaced the new wire tire on the handle to hold the throttle safety cable
10. Replaced the lost nut and wing knob to the base of the handle on the mower case
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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.
