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Description
Simpson Strong-Tie SDS25312SS Strong-Drive (0.235 x 3-1/2") Heavy-Duty Connector SS Screw, Type 316 (900 Pack)Simpson Strong Tie SDS25312SS Description The Strong Drive SDS Heavy Duty Connector Screw is a high strength stainless steel screw designed for heavy duty applications, featuring a Type 17 point for easy driving and a hex head for secure fastening. Simpson Strong Tie SDS25312SS Includes (900) 1 4 in. x 3 1 2 in. Strong Drive SDS Heavy Duty Connector Screw Simpson Strong Tie SDS25312SS Features Type 17 point enables easy driving with no predrilling 316
Simpson Strong-Tie SDS25312SS Description
The Strong-Drive SDS Heavy-Duty Connector Screw is a high-strength stainless steel screw designed for heavy-duty applications, featuring a Type-17 point for easy driving and a hex head for secure fastening.
Simpson Strong-Tie SDS25312SS Includes
- (900) 1/4 in. x 3-1/2 in. Strong-Drive SDS Heavy-Duty Connector Screw
Simpson Strong-Tie SDS25312SS Features
- Type-17 point enables easy driving with no predrilling
- 316 stainless steel for superior corrosion resistance
- 3/8" hex head with integrated washer for secure fastening
- Stamped head for easy identification after installation
Simpson Strong-Tie SDS25312SS Applications
- Heavy-duty Simpson Strong-Tie connectors
- DIY and home projects requiring durable fastening solutions
Simpson Strong-Tie SDS25312SS Installation Overview
- Use a low-speed 1/2" drill with a 3/8" hex driver for installation
- Ensure screws are driven perpendicular to the surface for optimal hold
Simpson Strong-Tie SDS25312SS Specifications
| Diameter | 1/4" |
| Finish | 316 Stainless Steel |
| Length | 3-1/2" |
| Material | 316 Stainless Steel |
| Drive type | 3/8" Hex |
| Point type | Type 17 |
| Quantity | 900 |
| Thread length | 2-1/4" |
NOTE: Ensure proper installation using recommended tools and techniques for optimal performance.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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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 18 reviews
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Product Reviews
★★★★★ 5
Well made, light fabric. Waist doesn't roll.
These bamboo underwear really do keep you cool.
They fit true to size, and wear easily. the wide elastic waist band doesn't roll on me.
They are comfortable to wear, washed and dried easily.
The material has some stretch to it, but not a lot.
Well made, no stray strings. Perfect fit for me.
Just what I was looking for.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Good quality, smooth feel
I got these briefs so recently that have washed just one pair so far. First off, these are very comfortable, the material is soft & bordering silky, good quality sewing. Wash well and minimal if any shrinkage. They do come a bit wrinkled from the dryer but hey, these are underwear and will go on smoothly. If it were a t-shirt, I would look sloppy. I feel the sizing is accurate. No rolling and these don't announce themselves under clothing. Planning on getting more of these boxers and replacing my old panties.
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Reviewed in the United States on January 31, 2026
★★★★★ 4
A little snug on the thighs
Size: Medium, Color: Multicoloured G (5-pack)
Super comfy, soft and thin. For reference, I'm 5'6", 135, athletic build. I bought medium. I almost returned them because I thought they were a bit too snug on my thighs, and my thighs are not large at all. I was concerned about panty lines under snug clothing. But, because they're thin, I figured they would probably stretch, so I kept them. So far, I've only worn them under a night shirt, but they're super comfortable and they dont ride up at all. Very nice, but if your thighs are a little thick, you probably won't like them.
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Reviewed in the United States on August 29, 2025
★★★★★ 5
Functional + Sexy
Size: Small, Color: Multicoloured E-(5-pack), Size: Small, Color: Multicoloured E-(5-pack)
Not only do these feel good, my husband can’t keep his hands off me. They fit so good and are soft. I change into these to sleep but also just use them as shorts to wear around the house. They’re comfortable and don’t slide around. I got a size small and I’m 100lbs.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Finally!
Size: X-Large, Color: All Black D (5-pack)
Finally, comfortable underwear that don’t end up giving me a wedgie. I have a round booty and most cuts of underwear end up shifting as I walk and sit. The hem of the underwear comes right under my cheeks and the lightweight material ensures there’s no panty line and no shifting to where I don’t want them! I’m definitely purchasing more.
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Reviewed in the United States on May 17, 2026