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Description
Simpson Strong-Tie SDWH27400GR30 Strong-Drive (0.276" x 4") SDWH Timber-Hex HDG Screw (30 Pack)Simpson SDWH27400GR30 Description The Strong Drive SDWH Timber Hex HDG Screw is a heavy duty fastener designed for structural wood to wood applications, featuring a hot dip galvanized coating for durability in coastal environments. Simpson SDWH27400GR30 Includes (30) 0. 276 in. x 4 in. Strong Drive Timber Hex HDG Screw Simpson SDWH27400GR30 Features 0. 276" shank diameter for heavy duty structural applications ASTM A153 Class C hot dip galvanized
Simpson SDWH27400GR30 Description
The Strong-Drive SDWH Timber-Hex HDG Screw is a heavy-duty fastener designed for structural wood-to-wood applications, featuring a hot-dip galvanized coating for durability in coastal environments.
Simpson SDWH27400GR30 Includes
- (30) 0.276 in. x 4 in. Strong-Drive Timber-Hex HDG Screw
Simpson SDWH27400GR30 Features
- 0.276" shank diameter for heavy-duty structural applications
- ASTM A153 Class-C hot-dip galvanized coating suitable for coastal and marine environments
- SawTooth point design for fast starts and no predrilling
- Oversized 0.93"-diameter integral washer eliminates the need for a separate washer
- 3/8" hex drive for secure driving
- Ideal replacement for spikes, lag bolts, and lag screws
Simpson SDWH27400GR30 Applications
- Structural wood-to-wood connections
- Engineered wood applications
- Ledger and pile connections
Simpson SDWH27400GR30 Installation Overview
- Use a minimum of 1/2" low-speed corded drill for installation
Simpson SDWH27400GR30 Specifications
| Fastener Type | Hand-Drive Screw |
| Application | Fastening Wood-to-Wood |
| Length | 4 in. |
| Shank Diameter | 0.276 in. |
| Drive Type | 3/8 in. Hex |
| Head Type | Large Hex Washer Head |
| Thread Type | Serrated Threads |
| Thread Length | 3 in. |
| Point Type | SawTooth Point |
| Coating/Material | Hot-Dip Galvanized, Class C |
| Packaging Quantity | 30 |
NOTE: Ensure the correct fasteners are installed in the correct position 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
4.6 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Worth my money!
Love this! I purchased a high priced large umbrella from Living Spaces with a weighted plate. Well with frequent strong winds on my patio the bar just was bending and couldn’t handle it. So purchased this. Feels sturdy and it’s longer so provides more support. For sure already noticing a difference. Glad I made this purchase. Would recommend ! It also came with varying sized cylinders for different pole widths. Therefore , you will end up not using one of them. Don’t regret buying this. It works!
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Reviewed in the United States on May 12, 2025
★★★★★ 5
Good value
Adapted to my umbrella pole easily
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Bright, Versatile, and Easy to Use!
Color: Warm White
This Dual-Power Patio Umbrella Light is exactly what I needed for evening gatherings! I love that it works with both rechargeable and regular batteries—super convenient. The three lighting modes are perfect for setting the mood, whether it’s a dinner party or just relaxing outside. It clips easily onto the umbrella pole and stays secure. Great for patios and even camping. Definitely worth it!
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Reviewed in the United States on June 23, 2025
★★★★★ 5
This little light is bright!
Color: Cool White
I was looking for a light to hang with my outdoor table that has an umbrella. I did not know this was a thing! But I am glad I found it! It fits perfect, snaps right on. The light is bright enough to see the entire area located under the umbrella. I am unsure how long the battery life works as we haven't stayed out past dark more than an hour or so, but it has worked every day for a week! Awesome product, awesome idea! Why didn't I think of that!?! Totally recommend this little light!
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Reviewed in the United States on July 16, 2025
★★★★★ 5
Great little umbrella light, I love it!
Color: Warm White, Color: Warm White
This umbrella light is small , compact and very lightweight, you can effortlessly move it around if your changing umbrellas. I Also love how bright this little thing is, with the click of a button the place is brightly lit. Love, that you don't have to have all the lights on if you don't want to that's a stand out feature. Great little light that adds a touch of elegance. Very user-friendly, in seconds to minutes its up and running.
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Reviewed in the United States on July 3, 2025