Product Description
The Simpson HUC612SS is a heavy-duty, face-mount concealed-flange joist hanger built for structures that demand additional strength and elevated safety factors. Sized for nominal 6x12 lumber with a 5-1/2 in. seat width, this hanger features concealed header flanges that produce cleaner visible lines in exposed framing conditions - making it a practical choice for architecturally finished spaces and demanding structural work alike. Formed from 14-gauge stainless steel, it delivers superior corrosion resistance for exterior environments and installations involving pressure-treated or chemically treated lumber, while its compatibility with wood, masonry, and concrete headers broadens its range of application across residential and commercial construction.
Key Features
- Concealed header flanges - keep visible lines clean and refined in exposed framing conditions, so structural connections don't compromise finished aesthetics
- 14-gauge stainless steel construction - provides the heavy-duty load capacity and elevated safety factors required for demanding structural applications
- Stainless steel material and finish - delivers extra corrosion resistance for exterior installations and projects using pressure-treated or chemically treated lumber, extending long-term durability
- Compatible with wood, masonry, and concrete headers - gives contractors flexibility to use a single hanger solution across a wide range of substrate types
- Extra optional triangle holes - allow for additional fastening points when higher load transfer is needed, giving engineers and builders more options on critical connections
- Tested, load-rated, and code compliant - backed by verified performance data so builders and engineers can specify with confidence on permitted projects
- Made in the United States - produced domestically to consistent quality standards
Why This Product
- Built for high-load, safety-critical framing - the HUC series is specifically engineered for structures requiring additional strength and elevated safety factors, making this hanger a reliable choice where standard hangers fall short
- Stainless steel protects the connection for the life of the structure - unlike galvanized alternatives, stainless steel resists corrosion in exterior conditions and against the chemicals present in treated lumber, reducing the risk of long-term connection degradation
- Cleaner results in exposed framing applications - the concealed flange design hides the header fastening flanges from view, making this hanger the right fit for timber-frame aesthetics, finished basements, and other exposed structural settings
- Flexible fastener options suit different job-site conditions - the hanger is approved for installation with either ring-shank nails or Strong-Drive SD Connector screws, so crews can use the fastener type that best matches their tools and project requirements
Specifications
- Model Number: HUC612SS
- Nominal Joist Size: 6x12
- Height: 9-3/8 in.
- Width: 5-1/2 in.
- Seat Depth: 2-1/2 in.
- Material: Stainless Steel
- Finish: Stainless Steel
- Gauge: 14-gauge (face-mount)
- Mount Type: Face-Mount
- Flange Type: Concealed
- Country of Origin: United States
Approved Applications
- Connecting 6x12 wood joists to wood headers and beams
- Connecting 6x12 wood joists to masonry walls and headers
- Connecting 6x12 wood joists to concrete headers and walls
- Exposed framing conditions where concealed flanges provide cleaner visible lines
- Exterior structural applications requiring corrosion-resistant hardware
- Framing applications involving pressure-treated or chemically treated lumber
- Structures requiring additional strength and elevated safety factors
Installation Fastener Requirements
The HUC612SS must be installed with stainless-steel fasteners. Choose one of the following approved fastener configurations:
- Ring-Shank Nails: (16 - 22) 0.162 in. x 3-1/2 in. ring-shank nails in the header and (6 - 8) 0.162 in. x 3-1/2 in. ring-shank nails in the joist
- Strong-Drive SD Connector Screws: (30) #10 x 1-1/2 in. Strong-Drive SD Connector screws
Note: Stainless-steel fasteners are required for use with this hanger.
Options
- Contact us for Configurable Options and Special orders
Frequently Asked Questions
- What size lumber is the HUC612SS designed to support?
- The HUC612SS is sized for nominal 6x12 lumber and features a 5-1/2 in. seat width to properly cradle that member size.
- Why should I choose stainless steel over standard steel for this hanger?
- Stainless steel provides extra corrosion resistance compared to standard steel, making the HUC612SS well suited for exterior applications and installations involving treated lumber, where chemical exposure or moisture could degrade a standard finish over time.
- What fasteners are required to install the HUC612SS?
- Installation requires either 16-22 ring-shank nails (0.162 in. x 3-1/2 in.) in the header and 6-8 ring-shank nails (0.162 in. x 3-1/2 in.) in the joist, or 30 #10 x 1-1/2 in. Strong-Drive SD Connector screws. Because this hanger is stainless steel, stainless-steel fasteners are required.
- Can the HUC612SS be used to attach joists to masonry or concrete headers?
- Yes. The HUC612SS supports installation of wood joists to wood, masonry, and concrete headers, giving it versatility across a range of structural applications.
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