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Description
Simpson Strong-Tie SDWH271200GMB Strong-Drive (0.276" x 12") SDWH Timber-Hex HDG Screw (150 Pack)Simpson Strong Tie SDWH271200GMB Description The Simpson Strong Tie SDWH Timber Hex screw is a heavy duty fastener designed for structural wood to wood connections, featuring a saw tooth point for fast starts and an oversized integral washer for secure installations. Simpson Strong Tie SDWH271200GMB Includes (150) 0. 276 in. x 12 in. Hot Dip Galvanized Timber Screw Simpson Strong Tie SDWH271200GMB Features 0. 276 in. shank diameter for heavy duty
Simpson Strong-Tie SDWH271200GMB Description
The Simpson Strong-Tie SDWH Timber-Hex screw is a heavy-duty fastener designed for structural wood-to-wood connections, featuring a saw tooth point for fast starts and an oversized integral washer for secure installations.
Simpson Strong-Tie SDWH271200GMB Includes
- (150) 0.276 in. x 12 in. Hot-Dip Galvanized Timber Screw
Simpson Strong-Tie SDWH271200GMB Features
- 0.276 in. 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 in.-diameter integral washer eliminates the need for a separate washer
- 3/8 in. hex drive for secure driving
Simpson Strong-Tie SDWH271200GMB Applications
- Structural wood-to-wood connections
- Engineered wood applications including ledgers and pile connections
Simpson Strong-Tie SDWH271200GMB Installation Overview
- Use a minimum of 1/2 in. low-speed corded drill for installation
Simpson Strong-Tie SDWH271200GMB Specifications
| Fastener Type | Hand-Drive Screw |
| Application | Fastening Wood-to-Wood |
| Length | 12 in. |
| Shank Diameter | 0.276 in. |
| Head Diameter | 0.93 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 | 150 |
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.1 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Comfortable & well-fitting, but some differences in stiffness between batches
Size: Medium, Color: Black/Deep Blue/Deep Grey/Heather Grey
I've basically been exclusively buying these since I've discovered them. Super-comfortable and maintain their shape for a long time, but I've noticed from buying it multiple times that sometimes the pouch area has stiffer texture and more support than other times (when it's loose & stretchy like the rest of it). I wish I could specify receiving the more-supported ones because they tend to produce less....how to say, knocking the boys around.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Comfort and softness
Size: 3X-Large, Color: Black/Navy/Dark Grey/Red
True to size; they are comfortable, good quality, and really soft.
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Reviewed in the United States on January 3, 2026
★★★★★ 5
Look great, feel great
Size: Large, Color: Black
These feel great and fit well. With most briefs I tend to the trouble either keeping the front in or not having the back cover everything but these do both things and are very soft. They also look great, even on body types not in the promo picture. They are a great set of briefs and have held up so far and I got mine a little around a year ago and wear them often.
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Reviewed in the United States on September 26, 2025
★★★★★ 4
Comfortable, but run big
Size: Small, Color: Red/Orange/Yellow/Blue
I'm a small guy and I purchased size small. The underwear are not bad. Great if you're a bigger guy or if you have a really big butt. If you're on the smaller side or skinnier though they'll fit a little loose. My butt is pretty big, but it doesn't fill out the back completely. Very comfortable though and the waist fits fine. Just a big backside. They don't ride up and so far they're durable. No fading in color and the material holds strong after many wears and washes.
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Value. Fabric quality.
Size: Large, Color: Black/Navy/Dark Grey/Red
Better than I expected. Great fabric. Perfect fit. This is the most satisfying buy that I ever did. For this price!
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Reviewed in the United States on February 14, 2026