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Description
Simpson Strong-Tie STB2-505126SS Strong Bolt (1/2" x 5-1/2") Stainless-Steel Wedge Anchor - Unassembled (25 Pack)Simpson STB2 505126SS Description The Strong Bolt 2 Wedge Anchor is a high performance anchor designed for use in cracked and uncracked concrete. Made from Type 316 stainless steel, it is suitable for static and seismic loading conditions. Simpson STB2 505126SS Includes (25) Strong Bolt 2 Wedge Anchor Type 316 Stainless Steel Simpson STB2 505126SS Features Chamfered top prevents mushrooming during installation Qualified for static and seismic loading
Simpson STB2-505126SS Description
The Strong-Bolt 2 Wedge Anchor is a high-performance anchor designed for use in cracked and uncracked concrete. Made from Type 316 stainless steel, it is suitable for static and seismic loading conditions.
Simpson STB2-505126SS Includes
- (25) Strong-Bolt 2 Wedge Anchor Type 316 Stainless Steel
Simpson STB2-505126SS Features
- Chamfered top prevents mushrooming during installation
- Qualified for static and seismic loading conditions
- Suitable for horizontal, vertical, and overhead applications
- Fits standard fixtures and installs with common drill bit sizes
- Tested per ACI355.2 and AC193
Simpson STB2-505126SS Applications
- Concrete anchoring in cracked and uncracked concrete
- Seismic applications requiring reliable anchoring
- Horizontal, vertical, and overhead installations
Simpson STB2-505126SS Installation Overview
- Drill a hole using a carbide drill bit matching the anchor diameter
- Clean the hole using compressed air
- Assemble the anchor with nut and washer
- Drive the anchor into the hole until tight against the fixture
- Tighten to the specified installation torque
Simpson STB2-505126SS Specifications
| Material | Type 316 Stainless Steel |
| Diameter | 1/2" |
| Length | 5-1/2" |
| Drill Bit Size | 1/2" |
| Installation Torque | 65 ft. lbs |
| Thread Length | 3-13/16" |
| Quantity | 25 |
NOTE: Ensure proper installation torque is applied to achieve optimal performance.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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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
4.2 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 4
Decent Price
Color: Black, Style: Classic
Chair arrived and was missing critical component so that I could not assemble it. Contacted seller and they sent me a similar component within 2 weeks. Chair was now easy to assemble and very comfortable to use for long periods. Although I wished it could raise another two inches. Also be aware chair might be challenging to get thru a standard 29-30inch doorway but not impossible. Thank You Seller for your help.
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Reviewed in the United States on October 23, 2025
★★★★★ 5
Easy installation and comfortable
Color: Black, Style: Classic, Color: Black, Style: Classic
This chair features a premium, quilt-stitched design with thick cushioning that immediately feels supportive. Installation is straightforward — the major components align cleanly, and the hardware fits without forcing, allowing the entire setup to be completed quickly. Once assembled, the chair provides excellent comfort: the padded headrest, wide seat, and soft armrests create a stable, ergonomic sitting experience suitable for long work sessions. The overall build feels solid, and the smooth-rolling casters add to the ease of use.
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Reviewed in the United States on April 19, 2026
★★★★★ 3
Seat angle problem
Color: Black, Style: Classic
This chair is very good. Has exactly the dimensions I was looking for. Overall it looks very well made, excellent quality, easy to install. I'm not giving it 5 starts because I'm not liking the angle of the seat very much. It goes low at the back end and at the front it is very high. It feels really good when I'm working on my computer where I have 1 widescreen monitor with 2 smaller ones on top, so it is very comfortable there. But not so much when I'm just working on my desk filling forms and reading papers. I'm actually getting low back pain. I wrote the seller to ask if there is any kind of adjustment I can make but it doesn't look to me like there is anything than can be done. I'm still keeping it.
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Reviewed in the United States on June 8, 2026
★★★★★ 5
Most comfortable office chair this fluffy guy has ever sat in.
Color: Black, Style: Classic
This chair is incredibly comfortable—easily the most comfortable one I’ve ever sat in. At around 300lbs, I’ve struggled to find a chair that’s both supportive and spacious. Most options feel tight, with the armrests pressing into my hips. Not this one. If anything, I feel small in it—there’s plenty of room on either side. It’s like going from a cramped budget airline seat to first class on a full-service carrier.
The lumbar support is the best I’ve ever used. The materials are top-notch—everything from the base to the legs to the casters is metal (feels like steel). The casters themselves use what look like inline skate wheels and glide effortlessly across carpet—almost too well on hard surfaces, so you might want to consider a rug. Not a flaw, just something to keep in mind.
I’ve paid twice as much for chairs that felt half as good, so in my opinion, this is an excellent value. The faux leather looks great and the stitching appears durable. While it may not last as long as real leather or high-quality fabric, it should hold up for a reasonable amount of time.
Tilt functionality is basic—just two settings: upright or slightly reclined. Honestly, that’s all I need. If you’re looking for something to nap in, this might not be the chair for you. But for office work or gaming, it absolutely delivers all-day comfort.
For reference, I’m 5'8", and the headrest aligns perfectly with the back of my head. If you're 6'5", it might end up being more of a neck rest.
And I have to give a special shoutout to the included T-shaped hex wrench. It may sound silly, but this alone earns it a 5-star review from me. Every other chair I’ve bought includes those awful angled hex wrenches that make you slam your knuckles into the frame with every turn—often accompanied by some colorful language. Sure, I have my own tools, but finding where my wife hid them isn't always easy. A good-quality tool in the box? That’s thoughtful and appreciated.
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Reviewed in the United States on June 19, 2025
★★★★★ 5
Wide and comfortable office chair
Color: Black, Style: Classic, Color: Black, Style: Classic
It's made of very fine leather and in good quality. It has a pump to pump air to the back of the chair, so I can adjust the softness of the chair back. It's a very wide chair. Maybe the widest one I ever bought. I can only sit half of its space. It's very easy to install, the alignments are perfect. Its arm and height is adjustable. The wheels are advance ones which make it move through the floor smoothly. It looks an advance chair if you want an upgraded experience.
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Reviewed in the United States on April 14, 2026
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