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Description
Simpson Strong-Tie STB2-50812S4F20 Strong Bolt (1/2" x 8-1/2") Fully Assembled Wedge Anchor - Type 304 (20 Pack)Simpson Strong Tie STB2 50812S4F20 Description The Simpson Strong Tie Strong Bolt 2 Wedge Anchors in 304 stainless steel deliver powerful performance and dependable holding strength for concrete anchoring projects. Simpson Strong Tie STB2 50812S4F20 Includes (20) 1 2 in. x 8 1 2 in. Type 304 Stainless Steel Wedge Anchor Simpson Strong Tie STB2 50812S4F20 Features Chamfered top designed to prevent mushrooming during installation Qualified for static
Simpson Strong-Tie STB2-50812S4F20 Description
The Simpson Strong-Tie Strong-Bolt 2 Wedge Anchors in 304 stainless steel deliver powerful performance and dependable holding strength for concrete anchoring projects.
Simpson Strong-Tie STB2-50812S4F20 Includes
- (20) 1/2 in. x 8-1/2 in. Type 304 Stainless-Steel Wedge Anchor
Simpson Strong-Tie STB2-50812S4F20 Features
- Chamfered top designed to prevent mushrooming during installation
- Qualified for static and seismic loading conditions
- Suitable for horizontal, vertical and overhead applications
- Qualified for minimum concrete thickness of 3 1/4"
- Standard (ANSI) fractional sizes
- Tested per ACI355.2 and AC193
Simpson Strong-Tie STB2-50812S4F20 Applications
- Structural steel anchoring
- Machinery anchoring
- Racking systems
- Ledger attachments
- Post bases
Simpson Strong-Tie STB2-50812S4F20 Installation Overview
- Drill a hole in the base material using a carbide drill bit the same diameter as the nominal diameter of the anchor to be installed.
- Assemble the anchor with nut and washer so the top of the nut is flush with the top of the anchor.
- Place the anchor in the fixture, and drive it into the hole until the washer and nut are tight against the fixture.
- Tighten to the required installation torque.
Simpson Strong-Tie STB2-50812S4F20 Specifications
| Diameter | 1/2 in. |
| Length | 8-1/2 in. |
| Material | 304 Stainless Steel |
| Drill bit size | 1/2 in. |
| Fixture hole size | 9/16 in. |
| Installation torque | 45 ft. lbf. |
| Thread length | 6 in. |
| Wrench size | 3/4 in. |
Shipping Notes
- 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.
- 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
4.5 ★★★★★
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Product Reviews
★★★★★ 5
Perfect Pairs
Size: Large, Color: (100) White / White / Black
Very comfortable, soft & affordable..
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Excellent athletic socks
Size: Large, Color: (100) White / White / Black
Solid athletic socks at a great price. Not too thick, not too thin. Second time I've purchased them. They last longer than most socks I've used in the past too.
Only concern is the sizing. I may be reading the sizing chart wrong, but for my size 13 feet it says XL are the correct sock size. I've ordered Large twice and they're perfect. I would imagine the size Large socks would also fit up to size 14 shoe, but probably need to go with XL if foot is lager than 14.
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Reviewed in the United States on April 12, 2026
★★★★★ 4
Great product
Size: Large, Color: (035) Steel / White / Black
Comfortable fit perfect
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Quality No Show Socks That Are Comfortable and Durable
Size: Large, Color: (100) White / White / Black
These Under Armour no show socks are great for everyday training and casual wear. The cotton blend feels comfortable and they stay in place throughout the day. Getting six pairs in a pack is solid value for a quality brand. They hold up well after multiple washes and the no show style works great with most athletic shoes. A reliable go-to sock.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Comfortable
Size: Large, Color: (001) Black / Black / White
I recently picked up a pair of Under Armour socks, and they’ve quickly become my go-to choice for daily wear and workouts. From the first wear, the fit felt snug and supportive without being too tight. The fabric is lightweight yet durable, and it does a great job wicking sweat — keeping my feet dry even during longer runs or intense gym sessions.
One of the things I appreciate most is the arch support and cushioning in the right places. It adds just enough padding where I need it, especially under the ball and heel of the foot, which makes a noticeable difference on days when I’m on my feet a lot. The socks also have a nice breathable mesh pattern that improves airflow.
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Reviewed in the United States on January 4, 2026