The Simpson HUC612Z HUC ZMAX Galvanized Face-Mount Concealed-Flange Joist Hanger for 6x12 is a heavy-duty structural connector from Simpson engineered for projects that demand additional strength and safety factors. Built from 14-gauge steel with a ZMAX galvanized finish, this face-mount hanger connects 6x12 wood joists to wood, masonry, and concrete while keeping header flanges fully concealed - delivering clean, professional lines wherever framing is left exposed. Whether you are working on exterior structures, pressure-treated lumber applications, or any build where corrosion resistance and load-rated performance are non-negotiable, this hanger is purpose-built for the task.

Key Features

• Concealed header flanges - keep connection hardware out of sight in exposed framing conditions, producing cleaner visible lines without sacrificing structural integrity
• ZMAX galvanized coating - provides extra corrosion resistance beyond standard galvanization, making this hanger suitable for exterior environments and use with pressure-treated lumber
• 14-gauge steel construction - delivers the heavy-duty strength required for structures with elevated load and safety factor demands
• Extra optional triangle holes - allow additional fasteners to be added when higher load capacity is needed, giving installers flexibility to meet specific engineering requirements
• Connects to wood, masonry, and concrete headers - supports a wide range of structural assemblies with a single hanger model, reducing the need to source multiple connectors
• Tested, load rated, and code compliant - the HUC series meets recognized standards, giving builders and inspectors confidence that every connection is backed by verified performance data
• 5-1/2 in. seat width for nominal 6x12 joists - provides a precise, secure fit that eliminates guesswork and keeps the joist properly seated during and after installation

Why This Product

• Built for heavy loads where standard hangers fall short - the HUC612Z is specifically designed for structures requiring additional strength and safety factors, making it the appropriate choice when a lighter-duty connector is not enough for the application
• Aesthetic advantage in exposed framing - the concealed-flange design hides the header connection from view, a practical benefit on decks, timber-frame interiors, and any project where the structural system remains visible after completion
• Long-term durability in demanding environments - ZMAX galvanization is formulated to resist the accelerated corrosion caused by moisture and the chemicals present in treated lumber, helping the connection maintain its rated strength over the life of the structure
• Versatile substrate compatibility - with approved use across wood, masonry, and concrete headers, this hanger covers a broad range of residential and commercial framing scenarios without requiring a specialty connector for each substrate type

Specifications

• MPN: HUC612Z
• Member Size: 6x12
• Height: 9-3/8 in.
• Width: 5-1/2 in.
• Seat Depth: 2-1/2 in.
• Gauge: 14
• Coating: ZMAX
• Finish: ZMAX
• Mount Type: Face-Mount
• Flange Style: Concealed
• Country of Origin: United States
• Install With: (16-22) 0.162 in. x 3-1/2 in. nails in the header and (6-8) 0.162 in. x 3-1/2 in. nails in the joist OR (30) #10 x 1-1/2 in. Strong-Drive SD Connector screws (sold separately)

Approved Applications

• Connecting 6x12 wood joists to wood headers
• Connecting 6x12 wood joists to masonry
• Connecting 6x12 wood joists to concrete
• Exterior applications requiring corrosion-resistant hardware
• Structures using pressure-treated lumber where enhanced corrosion resistance is required
• Exposed framing conditions where concealed flanges provide cleaner aesthetics

Options

• Contact us for Configurable Options and Special orders

Frequently Asked Questions

What does the ZMAX coating provide on the HUC612Z?

The ZMAX galvanization offers extra corrosion resistance, making the HUC612Z suitable for exterior applications and use with pressure-treated wood where standard galvanized coatings may not provide sufficient protection.

What fasteners are required to install the HUC612Z?

Installation requires either (16-22) 0.162 in. x 3-1/2 in. nails in the header and (6-8) 0.162 in. x 3-1/2 in. nails in the joist, or (30) #10 x 1-1/2 in. Strong-Drive SD Connector screws.

What is the purpose of the concealed header flanges on this hanger?

The concealed header flanges are designed to provide cleaner visible lines in exposed conditions, making the HUC612Z an ideal choice when the framing will remain visible in the finished structure.

Are HUC-series hangers code compliant?

Yes, HUC-series hangers are tested, load rated, and code compliant, and they include extra optional triangle holes that allow for additional load capacity when needed.

Note: Product dimensions and/or nail holes may differ from picture. Please see the item description and Spec Sheet for specifications.