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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
4.8 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Reloj de Calidad
Color: G5885-silver-red
Excelente muy buena Calidad a buen precio lo uso bastante y me preguntan dónde lo compré
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
4/5
Color: G5885-silver-red
beautiful
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
★★★★★ 5
Inexpensive, not cheap, with useful added features
Color: A4 - Blue / Black
First impressions:
1. The watch has features unexpected at this price point:
a. Stainless case (claimed) and back
b. Glass, not plastic, crystal
c. Functioning luminosity (duration to be tested) of hands (not seconds) and 5-minute tics
d. Day/date display
e. Clear setting instructions in english
f. Sweep second hand
2. Packaging was not fancy, but effective; watch arrived in perfect shape with no visible defects: Flat cardboard box in cardboard sleeve with embossed logo, fitted foam box liner, plactic film around watch, protective plactic discs on crystal and stainless back.
3. Overnight delivery via Amazon to my front door (much better than USPS)
4. Faux-croc band looks and feels fine for now
5. Setting mechanisms all worked smoothly
6. The black watch is quite handsome, if not elegant, with a simple, understated blue dial and gold markers; the photos in the listing were a faithful representation
7. I measured the case at a fraction of a mm over 39, the max for my small wrists
8. I observed some nits that are to be expected at this price point:
a. Second hand alignment is off by a quarter oFirst impressions:
1. The watch has features unexpected at this price point:
a. Stainless case and back
b. Glass, not plastic, crystal
c. Functioning luminosity (duration to be tested) of hands (not seconds) and 5-minute tics
d. Day/date display
e. Clear setting instructions in english
f. Sweep second hand
2. Packaging was not fancy, but effective; watch arrived in perfect shape with no visible defects: Flat cardboard box with embossed logo, fitted foam liner, plactic film around watch, protective plactic discs on crystal and stainless back.
3. Overnight delivery via Amazon to my front door (much better than USPS)
4. Faux-croc band looks fine
5. Setting mechanisms worked smoothly
6. The black watch is quite handsome, if not elegant, with a simple, understated blue dial and gold markers; the photos in the listing were a faithful representation
7. I measured the case at a fraction of a mm over 39, the max for my small wrists
8. I observed some nits to be expected at this price point:
a. Second hand alignment is off by a quarter of a second from second marks
b. Black case is excessively shiny; probably is not ion-coated and finish may not be very durable, but was preferable to me over the gold, which I am sure will mar easily
c. Watch has a snap-on (not screw-on) back and minimal water resistance
Bottom line, I seem to have received exactly what was offered, which is a lot for around $30
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2023
★★★★★ 5
The watch Is beautiful, keeps time & date well and seems to be made of quality materials
Color: A1 - Blue / Brown
First off I have not had a watch in 20 years since I use my phone for the date and time. I decided to try using one again and love not having to retrieve my phone to check the time.
The watch is beautiful and I love the look of the gold with the blue face and brown band. It works great and appears to be of the same quality as the Seiko watches that I use to own. I tested the face and tried to scratch a small area with a sharp object. I would not scratch so it is either glass or a crystal. the metal seems to be of good quality and the band is comfortable and feels like leather.
Overall I am happy with it and will update this review if the situation changes.
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Reviewed in the United States on January 12, 2024
★★★★★ 4
Nice looking watch with day and date
Color: A5 - Black
This watch has a nice black face and looks like it is high quality considering the price. I guess time will tell how durable it is. The only thing I am not as pleased about is the band which is stiff and is not as comfortable as another watch that has a leather band.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
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