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Description
Simpson Strong-Tie HHDQ14-SDS2.5 (18-3/4") Quick-Install Heavy Holdown with SDS ScrewsSimpson HHDQ14 SDS2. 5 Description The Simpson HHDQ14 SDS2. 5 Heavy Holdown is designed for high loads and ease of installation, featuring Strong Drive SDS screws for secure fastening and a unique seat design to minimize deflection. Simpson HHDQ14 SDS2. 5 Includes (1) Heavy Holdown (30) 1 4" x 2 1 2" Strong Drive SDS Heavy Duty Connector Screws Simpson HHDQ14 SDS2. 5 Features Strong Drive SDS Heavy Duty Connector screws included for proper
Simpson HHDQ14-SDS2.5 Description
The Simpson HHDQ14-SDS2.5 Heavy Holdown is designed for high loads and ease of installation, featuring Strong-Drive SDS screws for secure fastening and a unique seat design to minimize deflection.
Simpson HHDQ14-SDS2.5 Includes
- (1) Heavy Holdown
- (30) 1/4" x 2 1/2" Strong-Drive SDS Heavy-Duty Connector Screws
Simpson HHDQ14-SDS2.5 Features
- Strong-Drive SDS Heavy-Duty Connector screws included for proper installation
- Screws can be installed flush or raised off the mudsill without load reduction
- No stud bolts to countersink at openings
- Gray paint finish for durability
Simpson HHDQ14-SDS2.5 Applications
- Mass Timber / Cross-Laminated Timber
- High-load structural connections
Simpson HHDQ14-SDS2.5 Installation Overview
- Install screws using a low-speed, high-torque drill with a 3/8" hex-head driver
- No additional washer required
- Ensure proper alignment and positioning of the holdown
- Use the supplied heavy-hex anchor nut for installation
Simpson HHDQ14-SDS2.5 Specifications
| Material | Body: 7 gauge, washer: 1/2" plate |
| Finish | Gray Paint |
| Height | 18 3/4" |
| Fasteners Required | (30) 1/4" x 2 1/2" |
| For Treated Lumber | No |
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
4.7 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Excellent pillows
Size: Queen - 20"*30" (pack of 2), Color: Grey
Very nice pillows seem well made perfect size after a couple of days the filling is absolutely perfect provides plenty of support
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Great pillows
Size: King - 20"*34" (pack of 2), Color: Grey
Very luxurious and comfortable! Exactly as described and priced well.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Perfect Stylish Comfy Queen Size Pillows
Size: Queen - 20"*30" (pack of 2), Color: Grey
These two pillows replaced some very old pillows. They are perfect size for my son’s double bed. They come rolled up and when I removed the plastic they puffed right up to their puffy pillowy size. They are extremely comfortable and my son loves them. They are a down alternative and work perfect for him as he is a stomach sleeper. They have just the right support for a restful nights sleep. They have a nice stylish look 👀. They keep their fluffiness even after sleeping on them overnight. They can be washed in cold water and tumbled dry on low heat. They are the perfect pillows for our family. Extremely happy with our purchase. I highly recommend them. ⭐️⭐️⭐️⭐️⭐️
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Reviewed in the United States on April 17, 2026
★★★★★ 5
They have great quality
Size: King - 20"*34" (pack of 2), Color: Black
The pillows have comfort to your head they are firm glad I gotten them
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Reviewed in the United States on May 12, 2026
★★★★★ 4
Good Pillows to Show Off Decorative Pillow Shams
Size: Queen - 20"*30" (pack of 2), Color: Grey
Although we have queen-sized beds, we typically use standard-sized pillows. One of the quilt sets I got this Christmas time came with queen sized pillow shams, and the standard pillows just didn't fill them properly. I could have sewn flanges on either side of the shams, but I decided to order these pillows instead. The are almost wide enough to fully fill those shams that started all this additional purchasing. (I also ended up ordering pillow protectors for the queen sized pillows.)
The pillows are fluffy and substantial for now. My husband manages to flatten out pillows almost no matter how they start our. For now, so far so good. They re a medium-weight and fullness, I would say. They do a good job of showing off the pillow sham design, so that's a plus. I'm not planning for us to sleep on them, but they are added back support while watching TV. They are primarily for decorative purposes when the bed is made with the quilt and shams. They were a reasonable value for the intended purpose.
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Reviewed in the United States on January 5, 2026
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