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Sandbaggy 3' x 3' Galvanized Flat Square Plate Washer - 5/8' Inside Diameter - 6 Gauge Steel - Bearing Plates for Anchor Bolts and Rods (150, 5/8' Inner Diameter)

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$154.56

$ 76 .99 $76.99

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About this item

  • HOT-DIPPED GALVANIZED: Coated with a thick layer of zinc through a hot-dip galvanization process, offering exceptional corrosion resistance and making them perfect for use in outdoor and harsh environments.
  • COMPATIBLE WITH 5/8" ANCHOR BOLTS OR ROD: Hole width is 5/8", the flat square washer design distributes anchor bolt load over a larger surface area.
  • ENSURES SECURE WOOD-TO-CONCRETE CONNECTION: 3"x 3" Square plate washers prevent anchor bolt pull-through in wood.
  • PREVENT WOOD SPLITTING OR CRACKING that may occur around the anchor bolt, ensuring structural stability and integrity.
  • HEAVY DUTY 6 GAUGE STEEL: Constructed from 5 mm thick (0.20 inch) steel to promote long-lasting structural stability.
  • MAINTAINS ALIGNMENT: These square shape bearing plates prevent rotation and maintain alignment under stress.



Product Description

Sandbaggy Header with Logo

Secure Wood-to-Concrete

3" x 3" Square Plate Washer (Galvanized) - 5/8" Anchor Bolt Diameter

Constructed from sturdy 6 gauge steel, this 3" x 3" galvanized square plate washer (also known as a bearing plate) is designed for use with 5/8" diameter anchor bolts or rods. Its heavy-duty design prevents pull-through and promotes a secure connection, while increasing the bearing surface to prevent wood splitting or cracking. Ideal for anchoring wood to concrete slabs, this washer provides long-lasting structural stability.

Product Highlights

  • Hot Dipped Galvanized
  • Compatible With 5/8" Anchor Bolts or Rod
  • Prevent Wood Splitting or Cracking
  • Maintains Alignment

Specs

Material Steel
Gauge 6
Length 3 inch
Width 3 inch
Thickness 0.20 inch
Inside Diameter (ID) 0.625 inch (5/8 inch)
Type Flat
Weight 6.9 oz (0.43 lbs)
Coating Hot Dipped Galvanized
anchor bolts

Compatible With 5/8" Anchor Bolts or Rod

Hole diameter is 5/8", the flat square design distributes anchor bolt load over a larger surface area.

anchor bolt wood to concrete

Ensures Secure Concrete Connections

Prevents anchor bolt pull-through.

hot dipped galvanized square plate washers

Extra Rust Protection

Our square plates are hot dipped galvanized for an extra thick layer of zinc for more rust protection (as compared to electro galvanized products).

Sandbaggy About Us

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Our Mission

Started by two brothers out of a garage in California in 2010, Sandbaggy's mission has always been to use the power of online retail to cut out the middleman and bring erosion control and landscaping products directly to the consumer.

We try harder for your business. We know our customers are the reason why we get to do what we love. As a Christian-run company, we honor the Lord in all we do by operating our company in a manner consistent with Biblical principles. We do this by taking care of our employees and paying them 20-50% above minimum wage.

orphan school

Our Focus on Serving the Community

Sandbaggy is committed to supporting those less fortunate both domestically and globally. One of those organizations is Rise+Shine. Rise+Shine provides basic needs and education for over 6,500 orphan children in India. A big focus of theirs is supporting girl's education & female empowerment. By supporting girl's education, this ends a cycle of poverty and allows communities to flourish in the future.

Thanks to customers like yourself, Sandbaggy is able to support these orphans and rewrite their futures.

landscape fabric

Sandbaggy Products - Trusted By

For over the past decade, Sandbaggy has been honored to serve all kinds of customers; from government entities to large 100+ acre farms to individual homeowners. Some of those customers include the US Army, National Park Service (NPS), Forest Service and United Airlines.

Sandbaggy has been written up by Fox, Daily Herald, MarketWatch and other news outlets for leading the industry

Sandbaggy - A Trusted American Brand


Orange F.
Reviewed in the United States on February 3, 2025
- these washers were exactly what we needed. - they were completely galvanized, did NOT have any sharp edges and were the exact size they were claiming to be- it was a risk to order a hardware item from Amazon, but this order worked out perfectly for us!- we were shocked on how accurate the description of this item wasThank you very much!
Krystal
Reviewed in the United States on September 19, 2024
I recently picked up a 30-pack of these washers, and they were fantastic! So far, they've held up well through the weather with little to no rust, which is great for my outdoor projects. They fit my 5/8" anchor bolts perfectly, and the square design helped distribute the load, which made my connections feel SUPER secure. The steel material used in these washers was also impressive—this isn’t always the case with other washers. Believe me! They were sturdy enough to avoid the typical splitting or cracking around the bolt that I've experience in the past. They kept everything aligned, even under stress. If you're looking for reliable washers for your projects, these are definitely worth it. Highly recommend!
Lance Capel
Reviewed in the United States on September 19, 2024
This product was perfect for our project. We will purchase again! Quality was great
Brian Presley
Reviewed in the United States on September 12, 2024
See images. Finished pieces are 0.20" thick, not 0.25" (1/4") as advertised. They do mention 6 gauge steel (which is actually 13/64", 0.203" thick) however, the product would be thicker than 0.20" after hot dip galvanizing. At best, this is 3/16" (7 gauge) thick base metal.Product is also 1/8" shorter, measuring only2 7/8" x 2 7/8". Most pieces were not square either. My application had a short window to complete and requires much more strength than 7 gauge. Stuck trying to decide whether to send back or weld two pieces together.
Sandy
Reviewed in the United States on October 3, 2024
Worked perfectly for my project. The dimensions were accurate, and I thought the quality was better than the ones I got from another seller. Holding up nicely after two weeks.
Jenna Chatillon
Reviewed in the United States on October 3, 2024
This was the perfect product for my project & helped so much. Highly recommend. Thank you!