Product Description
The Simpson Strong-Tie HTTH6.5 HTTH 20-1/4-in. 10-Gauge Galvanized Heavy Tension Tie is engineered by Simpson Strong-Tie as an ideal solution for residential construction as well as light-framed wood commercial buildings. Tested per AC 155, the HTTH6.5 is the first nailed-on holdown to achieve up to 7,650 lb. allowable load, making it an economical solution when heavier loads are required. This heavy, single-piece formed tension tie is fastened with nails (in standard sizes for pneumatic nailers) or Strong-Drive SD Connector screws.
Key Features
- Four-fold seat to reduce deflection
- Tapered base optimized for increased strength and reduced deflection
- Optimal nailing pattern reduces splitting at the end of the post and maximizes individual fastener capacity
- Designed with a 0.185-in. fastener hole diameter, making it compatible with both nails and SD Connector screws
- 3-in. width x 20-1/4-in. length
- Anchor rod diameter: 3/4 inch
- Requires one standard 3/4-in. cut washer (not included)
- Made from 10-gauge steel
- Galvanized (G90) for corrosion resistance
Specifications
- Model Number: HTTH6.5
- Gauge: 10
- Length: 20-1/4 in.
- Width: 3 in.
- Anchor Rod Diameter: 3/4 in.
- Fastener Hole Diameter: 0.185 in.
- Coating: Zinc Galvanized, G90
- Finish: Zinc Galvanized, G90
- Material: 10-gauge steel
- Install With: (1) 3/4-in. anchor bolt AND (34) 0.148 x 2-1/2-in. nails, 0.162 x 2-1/2-in. nails, #10 x 1-1/2-in. Strong-Drive SD screws or #10 x 2-1/2-in. Strong-Drive SD screws
- Country of Origin: United States
Downloads and Resources
- Fasteners required. View Specifications
Frequently Asked Questions
- What is the maximum allowable load for the HTTH6.5?
- The HTTH6.5 is the first nailed-on holdown to achieve up to 7,650 lb. allowable load, making it an economical solution when heavier loads are required in residential and light-framed wood commercial construction.
- What fasteners are compatible with the HTTH6.5?
- The HTTH6.5 features a 0.185-in. fastener hole diameter, making it compatible with both nails and Strong-Drive SD Connector screws. Specifically, it can be installed with (34) 0.148 x 2-1/2-in. nails, 0.162 x 2-1/2-in. nails, #10 x 1-1/2-in. Strong-Drive SD screws, or #10 x 2-1/2-in. Strong-Drive SD screws, along with (1) 3/4-in. anchor bolt.
- Does the HTTH6.5 require a washer?
- Yes, the HTTH6.5 requires one standard 3/4-in. cut washer for installation. Please note that this washer is not included with the tension tie.
- What construction types is the HTTH6.5 suitable for?
- The HTTH6.5 is an ideal solution for residential construction as well as light-framed wood commercial buildings. It has been tested per AC 155 and delivers high performance for wood-to-concrete tension connections where heavier loads are required.
Note: Product dimensions and/or screw or bolt holes may differ from picture. Please see item description for specifications.
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