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Description
Simpson Strong-Tie SWD221034DBB-R30 Strong-Drive (0.235-in x 10-3/4-in) Double-Threaded Screw,T40 Black (30 Pack)Simpson Strong Tie SWD221034DBB R30 Description The Strong Drive SWD Double Threaded Screw is a high performance structural fastener engineered for exterior wood to wood applications, including deck ledgers and general framing. Simpson Strong Tie SWD221034DBB R30 Includes (30) Double Threaded Wood Screw Simpson Strong Tie SWD221034DBB R30 Features Professional grade engineered for strength, versatility, and reliability Double thread design and smooth
Simpson Strong-Tie SWD221034DBB-R30 Description
The Strong-Drive SWD Double-Threaded Screw is a high-performance structural fastener engineered for exterior wood-to-wood applications, including deck ledgers and general framing.
Simpson Strong-Tie SWD221034DBB-R30 Includes
- (30) Double-Threaded Wood Screw
Simpson Strong-Tie SWD221034DBB-R30 Features
- Professional grade engineered for strength, versatility, and reliability
- Double-thread design and smooth mid-shank pull members together securely
- Black, exterior-grade, double-barrier coating for corrosion resistance
- Chisel point provides easy driving for angled installation and reduced splitting
- Compact cylinder head design for low visibility, concealed installations
- 6-lobe driver bit for secure driving
- Code listed and load rated for structural applications
Simpson Strong-Tie SWD221034DBB-R30 Applications
- Deck ledger attachments to rim joists
- General exterior wood framing
- Pergolas, porches, and outdoor structural assemblies
- Wood-to-wood connections where high withdrawal strength is required
Simpson Strong-Tie SWD221034DBB-R30 Installation Overview
- No pre-drilling required in most applications, thanks to its screw chisel point
- Use with a standard driver or impact driver
- For best results, drive the screw until the head is flush with the wood surface—avoid overdriving
- Can be used with treated lumber, following coating compatibility guidelines
Simpson Strong-Tie SWD221034DBB-R30 Specifications
| Diameter | 0.235" |
| Finish | Double-Barrier Coating |
| Length | 10-3/4" |
| Material | Carbon Steel |
| Color | Black |
| Drive type | T40 6-Lobe |
| Head diameter | 0.394" |
| Head type | Cylinder Head |
| Point type | Screw Chisel Point |
| Quantity | 30 |
| Shank style | Unthreaded Mid-Shank |
| Thread length | 4-1/4" |
| Thread type | Double Thread |
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 8 reviews
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Product Reviews
★★★★★ 5
Love these shirts
Size: Small, Color: Watermelon, Number of Items: 1
Love the fabric. They feel so much better than some of the other shirts I have. They’re thicker and just feel nicer. Love this color too. Got a small and also have another color in medium. Both fit, just depends on how casual I want to look. I’ll be getting more!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
Will buy again
Size: Large, Color: Washed Denim, Number of Items: 1
Great shirt! The material is very comfortable on my skin. It is a little tight in the neck but pulling on it ever so slightly fixed it for me, other than that it fits perfectly!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
★★★★★ 4
Great price; some fitting notes
Size: Medium, Color: Washed Denim, Number of Items: 2
The shirt looks good, good quality, and the price is pretty much unbeatable. Some notes of fit: compared to the Eddie Bauer men's medium legend wash (my standard), this one has a smaller neck opening and is a bit tighter around the chest. Also, the short sleeves are shorter than Bauer's. These aren't really criticisms, but they may work better or worse depending on the person wearing them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
Comfortable, Colorful, Soft, Affordable.
Size: Large, Color: Ice Blue, Number of Items: 1
These T Shirts are as good as it gets especially at the price point. All cotton, very soft, very colorful. Wash well. If you don’t want them to shrink, I suggest air drying them. I had an XL one for years and pretty much ignored it. Found it again and it’s amazing to wear to bed or around the house. At
These prices if you need or want a T shirt, this is the one to get.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
★★★★★ 5
The Perfect Tee Shirt
Size: X-Large, Color: White, Number of Items: 2
I bought one of these shirts to see if they’re as good as the customer reviews suggest. They most certainly are! They have a nice weight, a great fitting collar, and the shirts have a generous length so they stay tucked in. The sleeves are longer than normal tee shirts, which I really appreciate. These shirts are such high quality, and such an amazing bargain, that I bought four more!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
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