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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.
- 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
4.6 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Inexpensive and works well
Did the job and now I have this useful item any time I need to do an oil filter change. Thumbs up.
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Reviewed in the United States on March 14, 2026
★★★★★ 5
Buen producto
Excelente
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Perfect on 1999 Volvo v90 XC AWD
I had looked everywhere for an oil filter wrench that would fit the cartridge filter on this1999 Volvo v90 XC AWD. Nothing local worked and then there was the issue where the recommended filter wrench slipped.
When I was ordering the 86.6mm wrench, I looked at the pictures and noticed it said if I had a specific type of marking on the housing then I would need this 86.4mm wrench instead.
Thanks to that bit of info I can now replace the filter.
Works 100% like a charm and filter was easy to remove with a standard ratchet.
Wrench seems well made and the price was perfect, especially compared to some of the others that are $35+.
Very satisfied with this purchase.
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Reviewed in the United States on August 22, 2024
★★★★★ 5
Money Saver!!!!
Purchased yesterday and put bot cans in my gas tank. Very pleased with how it works. Had a code P0175 02 sensor bank 2. Thought I had to replace the sensors but looked into products and read the reviews of these can. Check engine light went off this morning. Drove it aggressively after I used the cans and they worked as advertised. Highly recommend.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
car performance improvement
I bought this to use in my 2021 chevrolet equinox when my check engine light came on with an exhaust issue. so far I believe it's working. I have noticed increased mileage and a little more "zip" in the engine.
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Reviewed in the United States on May 28, 2026