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Model # 10066X

Internet # 202305820

Store SKU # 254470

5/16 in. x 3 in. Galvanized-Steel Toilet Tank Bolts with Nuts (2-Pack)

This item has been discontinued.
The Home Depot no longer carries this specific product.

$4.80 /each




Model # 10066X

Internet # 202305820

Store SKU # 254470

Use these DANCO 5/16 in. x 3 in. Galvanized-Steel Toilet Tank Bolts to connect the toilet tank to the bowl. The bolts include a 2-pack of Nuts to help hold the bolts in place and complete the installation. These bolts are designed to provide strength and durability for everyday use.

  • Galvanized-steel bolt construction
  • Helps prevent leaks from occurring between the toilet tank and bowl
  • 5/16 in. x 3 in. bolts
  • Includes 2 bolts and nuts and gaskets for 1 toilet
  • Easy Installation


Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 
Bolt Type 
Caps Included 
Galvanized Steel 
Number of Bolts Included 
Plumbing Part Type 
Toilet Bolt 
Washers Included 
Warranty / Certifications
Manufacturer Warranty 
Limited Lifetime 


Rated 3.2 out of 5 by 15 reviewers.
Rated 1.0 out of 5.0 by Stay away from steel bolts submerged under water!! I have been doing plumbing repairs for 20+ years. Never use brass plated galvanized steel bolts for INSIDE the toilet tank. They will rust up like you would not believe. I have included a picture below if you can see it. There is great risk of water damage from slow unnoticed leaks. Use brass only! The only downside with brass, its a bit softer than the steel bolts so you can't turn it like an idiot which you should not do anyway when you are dealing with porcelain. :-) August 29, 2013
Rated 1.0 out of 5.0 by Rusting after 6 months These bolts started rusting inside the tank in less than 6 months, and are now corroded significantly with rust in less than a year. I put them in 4 toilets and they're all the same. The rust started on all the bolts at the edge of the bolt head inside the tank, so apparently the brass plating is either missing or too thin. I will now need to replace them all again, this time with either solid brass or stainless steel. September 6, 2015
Rated 1.0 out of 5.0 by Horrible quality!! horrible qualtiy - rusted within a day of installation. I had to remove and install a genuine brass (not brass plated like the Home Depot piece of junk). I will never buy plumbing hardware products from HD again. Cost me at least 1/2 hour addtional time to remove rusted bolts and replace with qualtiy bolts purchased at Warren Pipe. February 3, 2012
Rated 1.0 out of 5.0 by Why bother? One of the only reasons you would ever need to replace the tank bolts is the old ones were brass PLATED and not solid brass. The packaging says "BRASS" and in tiny letters says "plated". I made a MISTAKE buying these. They will either go in the trash or get returned. July 9, 2013
Rated 3.0 out of 5.0 by Smaller than OEM Bolt heads and washers smaller than OEM bolts on toilet. They are currently holding water, but it appears they will not last as long as the original as the sealing surface is much smaller. June 17, 2014
Rated 5.0 out of 5.0 by yes easy if u know what ur doing apt house owner been doing repairs over 50 yaers March 11, 2014
Rated 2.0 out of 5.0 by did not fit There was only 1 set of toilet tank bolts to buy, so I did not have a choice. The bolt was fine, but the nut did not fit. This was due to the fact that the wing on the nut could not be turned under the bowl because of how the bowl is made. You should supply more than one option of bolts. Luckliy the old nut, without the wing piece, fit on the new screws that I just bought. November 12, 2013
Rated 5.0 out of 5.0 by Product was perfect for the job Installation was a breeze and product was good quality February 10, 2014
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