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Description
Simpson Strong-Tie HU312 (3" x 12") Heavy-Duty Face-Mount Joist HangerSimpson Strong Tie HU312 Description The Simpson Strong Tie HU312 is a heavy duty face mount joist hanger designed for 3x12 lumber, offering robust support and durability for various construction applications. Simpson Strong Tie HU312 Includes (1) Heavy Duty Face Mount Joist Hanger for 3x12 Lumber Simpson Strong Tie HU312 Features G90 Galvanized Finish for corrosion resistance Crafted from 14 gauge steel for durability Tested, load rated, and code
Simpson Strong-Tie HU312 Description
The Simpson Strong-Tie HU312 is a heavy-duty face-mount joist hanger designed for 3x12 lumber, offering robust support and durability for various construction applications.
Simpson Strong-Tie HU312 Includes
- (1) Heavy-Duty Face-Mount Joist Hanger for 3x12 Lumber
Simpson Strong-Tie HU312 Features
- G90 Galvanized Finish for corrosion resistance
- Crafted from 14-gauge steel for durability
- Tested, load-rated, and code compliant
- Versatile applications for solid sawn lumber, engineered wood, and cold-formed steel joists
Simpson Strong-Tie HU312 Applications
- Deck Framing: Securely fastens joists to beams for added structural support.
- Floor Systems: Provides strong joist support in both residential and commercial flooring structures.
- Roof Framing: Used in truss and rafter connections for enhanced stability.
- Bridges & Boardwalks: Essential for supporting heavy timber construction projects.
- Post and Beam Construction: Ensures reliable load transfer in timber-framed structures.
- Masonry and Concrete Applications: Can be installed into CMU walls or concrete slabs with appropriate fasteners.
Simpson Strong-Tie HU312 Installation Overview
- Use all specified fasteners as per guidelines.
- Can be installed filling round holes only, or filling round and triangle holes for maximum values.
- Joists sloped up to 1/4:12 achieve table loads.
- For installations to masonry or concrete, use specified fasteners.
- Can be welded to a steel member, adhering to load capacity guidelines.
- When nailing into solid sawn carrying member's end grain, adjust allowable load by a factor of 0.67.
- Web stiffeners required for I-joist applications.
Simpson Strong-Tie HU312 Specifications
| Finish | G90 Galvanized |
| Material | Carbon Steel |
| Fasteners required | Face - (16) 0.162" x 3-1/2" Nails, Joist - (6) 0.148" x 1-1/2" Nails |
| For Treated Lumber | No |
| Height | 10-5/8" |
| Joist size | 3" X 12" |
| Thickness | 14 Gauge |
| Width | 2-9/16" |
NOTE: The correct fasteners installed in the correct position must be used to achieve published load values.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
The only phone mount for a taco
This is a really quality product. So quality that I wish they made this for some of my other cars, I don't ever wanna use another phone holder. I was a bit skeptical on the longevity of the spring that holds it open, but a few months later and it feels just as sturdy as new. Fit is immaculate, the phone stays put. Worth the price. You will see when you see the machine finish on this product.
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Reviewed in the United States on March 25, 2025
★★★★★ 5
Fantastic Mount especially on rough Roads
Robust and discretely positioned mount. This mount is the real deal. It is by far the highest quality most stable mount that I've ever had in my Tacoma pickup. I also really like that it's positioned closer to the steering wheel in instead of in the windshield, making it easier to view. Very highly recommended!!
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Perfecto Product!!
I rarely write reviews, however on this product I need too. This clearly is a pricey phone mount, but after reading so many reviews I went for it & purchased. After opening, I immediately could see & feel the quality of material used. Installation was surprisingly easy & quick to my Tacoma. The mount is very firm, sturdy, very adjustable, perfectly designed product. For as costly as this was, I have absolutely no regrets! Totally can recommend this product to anyone with a Tacoma within the stated production years. So as so many others have said accurately in reviews, I am beyond satisfied even with the cost in mind.
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Reviewed in the United States on June 8, 2023
★★★★★ 5
Perfect fit for my 2018 sr5 Tacoma. Great quality!
Extremely well made. Doesn't rattle or slide off. Holds the phone tightly. Finally found a phone mount that works great for my Tacoma (2018 sr5). I highly recommend this product.
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Reviewed in the United States on December 5, 2025
★★★★★ 5
5 Stars with 1 Call-Out….
SOLID built like a tank! Really like the all-metal design. No vibration on the road and minimal if any off road, extremely stable. 360 adjustability = endless options on positioning your phone. Overall a good buy considering fit, form and functionality as compared to the less expensive composite holders that shake move and rattle (Drives me nuts). The ONLY negative…. I have a pro max iphone with a case and there’s no way one-handed operation works to insert and remove the phone into the holder. You can use one hand to adjust the angle and positioning but not otherwise. An OFI for OffRoam, incorporate a tension adjustment into the design for ease of insertion and removal of the phone (without breaking the bank). Taking all things into consideration the pros far outweigh the cons! Best unit out there for Gen 3 Tacoma owners.
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Reviewed in the United States on February 14, 2026
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