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 712-04105
OEM part for: Ryobi, Troy-Bilt, Bolens, Yard Man, MTD, Cub Cadet, Yard Machines
Part Number: 712-04105
$10.89
In Stock
Order within the next 5 hours and your part ships today! 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 199 machines
Ryobi
720r (DE 41AD72EC034) Handheld Edger View Diagrams & Manuals
725rE (41AD2REC034) Handheld Trimmer View Diagrams & Manuals
725rE (41AD7CRC034) Handheld Trimmer View Diagrams & Manuals
725rE (41BD2REC034) Handheld Trimmer View Diagrams & Manuals
725rE (41BD7CRC034) Handheld Trimmer View Diagrams & Manuals
725rE (41CD2REC034) Handheld Trimmer View Diagrams & Manuals
725rE (41CD7CRC034) Handheld Trimmer View Diagrams & Manuals
770rEB (41AD7EBC034) Handheld Trimmer View Diagrams & Manuals
780r (41BD780G034) Handheld Trimmer View Diagrams & Manuals
780r (41ED780G034) Handheld Trimmer View Diagrams & Manuals
780r (41FD780G034) Handheld Trimmer View Diagrams & Manuals
790r (41AD790A734) Handheld Trimmer View Diagrams & Manuals
790r (41BD790A034) Handheld Trimmer View Diagrams & Manuals
790r (41DD790A034) Handheld Trimmer View Diagrams & Manuals
790r (41ED790A034) Handheld Trimmer View Diagrams & Manuals
790r (41FD790A034) Handheld Trimmer View Diagrams & Manuals
890 (41CD890A034) Handheld Trimmer View Diagrams & Manuals
890r (41AD890A034) Handheld Trimmer View Diagrams & Manuals
890r (41AD890A734) Handheld Trimmer View Diagrams & Manuals
890r (41BD890A034) Handheld Trimmer View Diagrams & Manuals
890r (41CD890G034) Handheld Trimmer View Diagrams & Manuals
LE720r (41AJLE1A034) Handheld Lawn Edger View Diagrams & Manuals
LE720r (41AJLE1B034) Handheld Lawn Edger View Diagrams & Manuals
990r (411088141) String Trimmer View Diagrams & Manuals
1090R (810000001) 4-Cycle Gas Trimmer View Diagrams & Manuals
130REB (911170717) 120 Volt Electric Trimmer View Diagrams & Manuals
2090R (802116068) 2-Cycle Gas Trimmer View Diagrams & Manuals
2090RC (802116018) 2-Cycle Gas Trimmer View Diagrams & Manuals
770REB (901163446) 2-Cycle Gas Trimmer View Diagrams & Manuals
990R (611000001) Trimmer View Diagrams & Manuals
LE720R (41AJLE-A054) Lawn Edger View Diagrams & Manuals
LE720R (41AJLE-B054) Lawn Edger View Diagrams & Manuals
395SSR (903150556-909091156) Trimmer View Diagrams & Manuals
395SSR (001119961-012036700) Trimmer View Diagrams & Manuals
780R (001031001-102069940) Trimmer View Diagrams & Manuals
780R (203096321) Trimmer View Diagrams & Manuals
780R (512000001) Trimmer View Diagrams & Manuals
780R (611000001) Trimmer View Diagrams & Manuals
780R-1 (102066941-203096320) Trimmer View Diagrams & Manuals
780RB (203096321) Trimmer View Diagrams & Manuals
780RE (303080348) Trimmer View Diagrams & Manuals
780TP (201045670) Trimmer View Diagrams & Manuals
865R (401000001) Trimmer View Diagrams & Manuals
885R (401000001) Trimmer View Diagrams & Manuals
920R (411088141) Trimmer View Diagrams & Manuals
960R (411088141) Trimmer View Diagrams & Manuals
395SSR (012036701) Trimmer View Diagrams & Manuals
720ER (507111707) Edger View Diagrams & Manuals
720ER (512000001) Edger View Diagrams & Manuals
Singer GBC2818 (312000001) Blower View Diagrams & Manuals
IDC 580 (105073601-206042750) Trimmer View Diagrams & Manuals
IDC 580 (206042751) Trimmer View Diagrams & Manuals
IDC 580 (802087725-811097000) Trimmer View Diagrams & Manuals
IDC 580 SUPREME (811097001-910019700) Trimmer View Diagrams & Manuals
IDC 580-1 (910019701-009093700) Trimmer View Diagrams & Manuals
IDC 580-2 (009093701-105073600) Trimmer View Diagrams & Manuals
IDC LE130 Edger View Diagrams & Manuals
LE720R (507000001) Lawn Edger View Diagrams & Manuals
LE720R (604000001) Lawn Edger View Diagrams & Manuals
LE720R (901318470) Lawn Edger View Diagrams & Manuals
LE720TP Lawn Edger View Diagrams & Manuals
Troy-Bilt
LE720r (41BJLE-A054) Attachment View Diagrams & Manuals
TBBC (41AJBC-C711) Attachment View Diagrams & Manuals
TBBC (41AJBC-C966) Attachment View Diagrams & Manuals
TBLE (41AJLE-C063) Attachment View Diagrams & Manuals
TBLE (41AJLE-C711) Attachment View Diagrams & Manuals
TBLE (41AJLE-C766) Attachment View Diagrams & Manuals
TBLE (41AJLE-C966) Attachment View Diagrams & Manuals
TB25ET (41ADT2EC966) Gas Trimmer View Diagrams & Manuals
TB25ET (41BDT2EC063) Gas Trimmer View Diagrams & Manuals
TB4000 (41ADTB4G063) Gas Trimmer View Diagrams & Manuals
TB25ET (41ADT2EC063) Gas Trimmer View Diagrams & Manuals
TB25ET (41ADT2EC066) Gas Trimmer View Diagrams & Manuals
TB25ET (41ADT2EC711) Gas Trimmer View Diagrams & Manuals
TB490BC (41ADT49C063) Gas Trimmer View Diagrams & Manuals
TB490BC (41ADT49C711) Gas Trimmer View Diagrams & Manuals
TB490BC (41ADT49C966) Gas Trimmer View Diagrams & Manuals
TB490BC (41BDT49C063) Gas Trimmer View Diagrams & Manuals
TB90BC (41ADT90C063) Trimmer View Diagrams & Manuals
TB90BC (41ADT90C711) Trimmer View Diagrams & Manuals
TB90BC (41ADT90C966) Trimmer View Diagrams & Manuals
TB90BC (41BDT90C063) Trimmer View Diagrams & Manuals
TB90BC (41BDT90C711) Trimmer View Diagrams & Manuals
TB90BC (41BDT90C966) Trimmer View Diagrams & Manuals
TB490BC (41BDT49C966) Gas Trimmer View Diagrams & Manuals
TB525ET (41ADT5EC966) Gas Trimmer View Diagrams & Manuals
TB590BC (41ADT59C711) Gas Trimmer View Diagrams & Manuals
TB590BC (41ADT59C966) Gas Trimmer View Diagrams & Manuals
TB590EC (41ADZ59C766) Trimmer View Diagrams & Manuals
TB590EC (41ADZ59C966) Trimmer View Diagrams & Manuals
TB590EC (41BDT59C966) Trimmer View Diagrams & Manuals
TB590EC (41CDT59C966) Trimmer View Diagrams & Manuals
BC720 (41AJBC-C954) Brush Cutter Attachment View Diagrams & Manuals
LE720r (41AJLE-A054) Edger Attachment View Diagrams & Manuals
LE720r (41AJLE-C954) Edger Attachment View Diagrams & Manuals
LE720r (41BJLE-B054) Edger Attachment View Diagrams & Manuals
TB25CE (41AD25CE766) Trimmer View Diagrams & Manuals
TB272BC (41AD272S766) Trimmer View Diagrams & Manuals
TB27BC (41AD27BA766) Trimmer View Diagrams & Manuals
TB27BC (41BD27BA766) Trimmer View Diagrams & Manuals
TB304BC (41AD304S866) Trimmer View Diagrams & Manuals
TB42BC (41ADZ42C766) Trimmer View Diagrams & Manuals
TB42BC (41BDZ42C766) Trimmer View Diagrams & Manuals
TB590EC (41ADZ59C866) Trimmer View Diagrams & Manuals
TB590EC (41BDZ59C866) Trimmer View Diagrams & Manuals
TB590EC (41BDZ59C966) Trimmer View Diagrams & Manuals
41AD254X966 (TB425XP) Handheld Gas Trimmer View Diagrams & Manuals
41AD272X966 (TB227XP) Handheld Gas Trimmer View Diagrams & Manuals
41AJLE-A054 (LE720R) Trimmer View Diagrams & Manuals
41AJLE-B054 (LE720R) Trimmer View Diagrams & Manuals
41BD304S866 (TB304BC) Handheld Gas Trimmer View Diagrams & Manuals
41AJBC-C711 (TBBC) Brush Cutter Attachment View Diagrams & Manuals
41AJBC-C966 (TBBC) Brush Cutter Attachment View Diagrams & Manuals
41AJLE-C063 (TBLE) Lawn Edger Add-On View Diagrams & Manuals
41AJLE-C711 (TBLE) Lawn Edger Add-On View Diagrams & Manuals
41AJLE-C766 (TBLE) Edger Attachment View Diagrams & Manuals
41AJLE-C966 (TBLE) Lawn Edger Add-On View Diagrams & Manuals
Bolens
BL250 41AD250G163 Gas String Trimmer View Diagrams & Manuals
BL250 41AD25G-065 Gas String Trimmer View Diagrams & Manuals
BL250 41BD250G163 Gas String Trimmer View Diagrams & Manuals
BL250 41CD250G163 Gas String Trimmer View Diagrams & Manuals
BL26BC 41AD26BC965 Gas String Trimmer View Diagrams & Manuals
Yard Man
YM26BC (41AD26BC401) Trimmer View Diagrams & Manuals
YM26BC (41AD26BC701) Trimmer View Diagrams & Manuals
YM26BC (41AD26BC901) Trimmer View Diagrams & Manuals
YM90 (41ADY90C401) Trimmer View Diagrams & Manuals
YM90 (41ADY90C901) Trimmer View Diagrams & Manuals
YM90BC (41BDY90C901) Trimmer View Diagrams & Manuals
YM90BC 41bdy90c901 Gas String Trimmer View Diagrams & Manuals
MTD
MT780 (41AD780G977) Trimmer View Diagrams & Manuals
MT780 (41BD780G977) Trimmer View Diagrams & Manuals
MT780 41AD780G977 String Trimmer View Diagrams & Manuals
720R (De 41AD72EC034) Trimmer View Diagrams & Manuals
725RE (41AD2REC034) Trimmer View Diagrams & Manuals
725RE (41AD7CRC034) Trimmer View Diagrams & Manuals
725RE (41BD2REC034) Trimmer View Diagrams & Manuals
725RE (41BD7CRC034) Trimmer View Diagrams & Manuals
725RE (41CD2REC034) Trimmer View Diagrams & Manuals
725RE (41CD7CRC034,) Trimmer View Diagrams & Manuals
770REB (41AD7EBC034) Trimmer View Diagrams & Manuals
780R (41BD780G034) Trimmer View Diagrams & Manuals
780R (41ED780G034) Trimmer View Diagrams & Manuals
780R (41FD780G034) Trimmer View Diagrams & Manuals
790R (41AD790A734 2004) Trimmer View Diagrams & Manuals
790R (41BD790A034) Trimmer View Diagrams & Manuals
790R (41DD790A034) Trimmer View Diagrams & Manuals
790R (41ED790A034) Trimmer View Diagrams & Manuals
790R (41FD790A034 2004) Trimmer View Diagrams & Manuals
890 (41CD890A034 2004) Trimmer View Diagrams & Manuals
890R (41AD890A034) Trimmer View Diagrams & Manuals
890R (41AD890A734 2004) Trimmer View Diagrams & Manuals
890R (41BD890A034) Trimmer View Diagrams & Manuals
890R (41CD890A034) Trimmer View Diagrams & Manuals
890R (41CD890G034) Trimmer View Diagrams & Manuals
LE720R (41AJLE1A034) Edger View Diagrams & Manuals
LE720R (41AJLE1B034) Edger View Diagrams & Manuals
CL25BC (41AJBC-C767) Attachment View Diagrams & Manuals
CL25LE (41AJLE-C767) Attachment View Diagrams & Manuals
41AJBC-C799 Attachment View Diagrams & Manuals
41AJLE-C799 Attachment View Diagrams & Manuals
41BJLE-C799 Attachment View Diagrams & Manuals
41ADZ34C799 Trimmer View Diagrams & Manuals
41ADZ50C799 Trimmer View Diagrams & Manuals
41ADZ51C799 Trimmer View Diagrams & Manuals
41AD396C799 Trimmer View Diagrams & Manuals
41ADZ2CC799 (316.794450)(2012) Trimmer View Diagrams & Manuals
41ADZ3CC799 Trimmer View Diagrams & Manuals
41BD396C799 Trimmer View Diagrams & Manuals
41CD396C799 Trimmer View Diagrams & Manuals
RM2700 Trimmer View Diagrams & Manuals
BC720 (41AJBC-C902) Attachment View Diagrams & Manuals
BC720 (41AJBC-C954) Attachment View Diagrams & Manuals
LE720 (41AJLE-K902) Attachment View Diagrams & Manuals
LE720 41BJLE-C902 Trimmer Plu View Diagrams & Manuals
WH80BC (41ADW80G990) Trimmer View Diagrams & Manuals
Cub Cadet
CC2090 (41ADC90C912) (2009) 41ADC90C Gas String Trimmer View Diagrams & Manuals
CC2090 (41ADC90C912, 41ADC90C709) (2010) 41ADC90C Gas String Trimmer View Diagrams & Manuals
BC2090 (41BDC90C912) (2011) 41BDC90C Gas String Trimmer View Diagrams & Manuals
BC5090 (41AD590C912) (2011) 41AD590C Gas String Trimmer View Diagrams & Manuals
BC5090 (41BD590C912) (2011) 41BD590C Gas String Trimmer View Diagrams & Manuals
BC509 (41AD591C912) (2012) 41AD591C912 Gas String Trimmer View Diagrams & Manuals
ST228 (41AD2S8C912) (2012) 41AD2S8C912 Gas String Trimmer View Diagrams & Manuals
BC509 (41BD591C912) (2013) 41BD591C912 Gas String Trimmer View Diagrams & Manuals
ST228 (41AD2S8C912) (2013) 41AD2S8C912 Gas String Trimmer View Diagrams & Manuals
ST428 (41BD4S8C912) (2013) 41BD4S8C912 Gas String Trimmer View Diagrams & Manuals
BC280 (41ADZ28C912) (2014) 41ADZ28C912 Gas String Trimmer View Diagrams & Manuals
BC490 (41AD490C912) (2014) 41AD490C912 Gas String Trimmer View Diagrams & Manuals
BC509 (41BD591C912) (2014) 41BD591C912 Gas String Trimmer View Diagrams & Manuals
CC370 (41ADZ37C912) (2014) Gas String Trimmer View Diagrams & Manuals
ST228 (41AD2S8C912) (2014) 41AD2S8C912 Gas String Trimmer View Diagrams & Manuals
ST428 (41BD4S8C912) (2014) 41BD4S8C912 Gas String Trimmer View Diagrams & Manuals
BC280 (41ADZ28C912) (2015) 41ADZ28C912 Gas String Trimmer View Diagrams & Manuals
BC490 (41AD490C912) (2015) 41AD490C912 Gas String Trimmer View Diagrams & Manuals
BC509 (41BD591C912) (2015) 41BD591C912 Gas String Trimmer View Diagrams & Manuals
ST228 (41AD2S8C912) (2015) 41AD2S8C912 Gas String Trimmer View Diagrams & Manuals
ST428 (41BD4S8C912) (2015) 41BD4S8C912 Gas String Trimmer View Diagrams & Manuals
Yard Machines
Y2900EC (41AD290C800) Trimmer View Diagrams & Manuals
Y2900EC Trimmer View Diagrams & Manuals
Y780 (41AD78BG900) Trimmer View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Edger Parts
- Trimmer Parts
- Blower 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
t
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t days ago
Verified Purchase
eReplacementParts Team
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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
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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Thanks for voting and helping fellow customers!
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.
