Product Features
Product Description
The Simpson Strong-Tie MIT420 MIT Galvanized Top-Flange Joist Hanger for 3-1/2 in. x 20 in. Engineered Wood is engineered by Simpson Strong-Tie to support 90 deg. connections of I-joists to headers with maximum down load capacity while requiring a minimum number of fasteners. Featuring a Funnel Flange design for easier member placement and positive-angle nailing (PAN) technology specifically created for I-joists, this top-flange hanger delivers a cost-effective, high-performance alternative to welded hangers. Designed to be installed before the joist is in place, the MIT420 streamlines the building process without sacrificing structural integrity.
Key Features
- Positive-angle nailing (PAN) minimizes splitting of the flanges while permitting time-saving nailing from a better angle
- With positive-angle nailing, the nail hole material is not removed
- Optional triangle nail holes may be used for increased uplift capacity; optional uplift nailing requires the addition of properly-secured web stiffeners
- Cost-effective solution for standard 90 deg. connections in comparison to welded hangers
- Features optional fastening with PAT for steel applications/header
- Actual joist size: 3-1/2 in. x 20 in.
- Made from 16-gauge steel
- Galvanized (G90) for extra corrosion resistance
Specifications
- Model Number: MIT420
- Member Size: 3-1/2 x 20
- Gauge: 16
- Width (W): 3-9/16 in.
- Height (H): 20 in.
- Seat Depth: 2-1/2 in.
- Top Flange (TF): 2-5/16 in.
- Coating/Finish: Zinc Galvanized, G90
- Country of Origin: United States
- Installation: Install with 0.162 in. x 3-1/2 in. nails in the header and 0.148 in. x 1-1/2 in. nails in the joist (sold separately)
Options
- Contact us for Configurable Options and Special orders
Frequently Asked Questions
- What type of connections is the MIT420 designed for?
- The MIT420 is designed to support 90 deg. connections of I-joists to headers, making it a reliable and cost-effective solution for standard framing applications involving engineered wood.
- What is positive-angle nailing (PAN) and why does it matter?
- Positive-angle nailing (PAN) is a feature specifically created for I-joists that minimizes splitting of the flanges while allowing nailing from a better angle to save time. Importantly, the nail hole material is not removed, which helps maintain the integrity of the connection.
- How is the MIT420 installed, and when should it be placed?
- The MIT420 is designed to be installed before the joist is in place. It is fastened using 0.162 in. x 3-1/2 in. nails in the header and 0.148 in. x 1-1/2 in. nails in the joist. The Funnel Flange design aids in easier placement of members during installation.
- Can the MIT420 be used in applications requiring increased uplift capacity?
- Yes. The optional triangle nail holes on the MIT420 may be used for increased uplift capacity. However, optional uplift nailing requires the addition of properly-secured web stiffeners. The hanger also features optional fastening with PAT for steel applications and steel headers.
Note: Product dimensions may differ from picture. Please see the item description above for specifications.
Reviews
FAQs
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