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Description
Simpson Strong-Tie HHDQ11-SDS2.5 (15-1/8 in.) Quick-Install Heavy Holdown with SDS ScrewsSimpson HHDQ11 SDS2. 5 Description The Simpson HHDQ11 SDS2. 5 Heavy Holdown is designed for high loads and ease of installation, featuring Strong Drive SDS screws for secure fastening and minimized deflection. Simpson HHDQ11 SDS2. 5 Includes (1) Heavy Holdown (24) 1 4" x 2 1 2" Strong Drive SDS Heavy Duty Connector Screws Simpson HHDQ11 SDS2. 5 Features Strong Drive SDS Heavy Duty Connector screws are supplied with the holdowns to ensure proper
Simpson HHDQ11-SDS2.5 Description
The Simpson HHDQ11-SDS2.5 Heavy Holdown is designed for high loads and ease of installation, featuring Strong-Drive SDS screws for secure fastening and minimized deflection.
Simpson HHDQ11-SDS2.5 Includes
- (1) Heavy Holdown
- (24) 1/4" x 2 1/2" Strong-Drive SDS Heavy-Duty Connector Screws
Simpson HHDQ11-SDS2.5 Features
- Strong-Drive SDS Heavy-Duty Connector screws are supplied with the holdowns to ensure proper fasteners are used
- Screws may be installed either flush or raised off the mudsill without a reduction in load value
- No stud bolts to countersink at openings
- Gray paint finish for corrosion resistance
- Designed for high loads and ease of installation
Simpson HHDQ11-SDS2.5 Applications
- Mass Timber / Cross-Laminated Timber
- High-load structural applications
- Wood construction requiring secure holdown installation
Simpson HHDQ11-SDS2.5 Installation Overview
- Install Strong-Drive SDS Heavy-Duty Connector screws using a low-speed, high-torque drill equipped with a 3/8" hex-head driver
- No additional washer is required
- Ensure proper alignment and positioning of the holdown
- Follow manufacturer guidelines for fastener installation
Simpson HHDQ11-SDS2.5 Specifications
| Material | Body: 7 gauge, washer: 1/2" plate |
| Finish | Gray Paint |
| Height | 15 1/8" |
| Fasteners Required | (24) 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 12 reviews
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Product Reviews
★★★★★ 5
Long lasting&apparently a good flavor(for dogs)
Color: Lobster
Dog has stayed interested keeps selecting this chew toy . An aggressive chewer so a toy that can last is a great find
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
★★★★★ 4
Great but not indestructible
Color: KING KONG
Great product but it is not indestructible for my aggressive chewer. This is the second time I have purchased because he loves it so much and it keeps him occupied for hours.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
★★★★★ 5
My puppy LOVES it!
Color: KING KONG
This is the best thing! My 5 month old golden retriever lives his "King Kong". She chews on this for at least 10-15 minutes at a time. Loved it. And it doesn't show any wear at all. It's HEAVY so Mom watch out for toes when they drop it😁
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
★★★★★ 5
They love these. For tough chewers and fun
Color: KING KONG
The dogs love this. I have Pitbulls and a Cattle dog/Basset mix. It gets a lot of use.
If you've had BENEBONES. these will be a little different. They're a different material. But work the same. My dogs go after both these and the Benebones.
If you're wondering, these DO produce little sharp pieces of plastic material.
Always monitor your dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
★★★★★ 3
Fun design, dog loved it but keeps getting teeth stuck so had to toss it out.
Color: KING KONG
My dog likes this and I thought it was a great option. It's a fun character design. We ran into a problem though - she keeps getting her lower jaw/teeth stuck between the two arms of the ape. The distance between the fists is just wide enough to allow her teeth through it, but narrow enough that they get stuck and then she starts yelping until she figures out how to free her lower jaw. The first time, I thought it was a fluke. The second time, I took it away and tossed it. Maybe a future design could give more space between the fists.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2025
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