Strong-Bolt 1/2 in. x 4-1/4 in. Zinc-Plated Wedge Anchor
- Versatile solution for anchoring a variety of projects
- Qualified for use in seismic zones
- Ideal for concrete and grout-filled block
- See More Details
Frequently Bought Together
Product Overview
The Professional’s Choice for Anchoring
Titen HD® heavy-duty screw anchors install 5x faster than typical wedge anchors
Fastening for Concrete and Masonry
Titen® 2 concrete and masonry screws are ideal for commercial and residential applications
Indoor or Outdoor Anchoring Solutions
Strong-Bolt® 2 wedge anchor provides heavy-duty structural anchoring in both indoor and outdoor applications
Removable Anchors Offer Installation Flexibility
Titen HD heavy-duty screw anchors are ideal for projects where anchors may need to be removed
Sheetrock Installation Tips and Tricks
Use Titen 2 concrete and masonry screws to attach furring strips for sheetrock installation
Overhead Anchoring Made Easy
Titen HD rod hangers and DIA drop-ins are ideal for installing mechanical, electrical or plumbing overhead
Concrete Anchoring Tips and Tricks
Code-listed for seismic and cracked-concrete applications
Screw Anchor
Can be installed closer to concrete edge than wedge anchors
Concrete/Masonry Screws
Patented thread design for faster installation
Overhead Rod Hanger
No secondary setting needed to install overhead anchor
Drop-In Anchor
Flush-mount anchoring into concrete
Wedge Anchor
Strong-Bolt 2 wedge anchor tested for performance in concrete or grout-filled block
Sleeve Anchor
Ideal for anchoring into softer materials, such as brick
- Tri-segmented clip: Each segment adjusts independently, increasing follow-up expansion should the hole increase in size as a result of a crack
- Dual embossments on each clip segment: Enables clip to undercut into the concrete thereby increasing follow-up expansion should a crack occur
- Standard (ANSI) fractional anchor: Fits most fixtures and installs with common drill bit sizes and tools
- Suitable for horizontal, vertical and overhead applications
- Made from zinc-plated carbon steel
- Shop all Simpson Strong-Tie here.
- California residents
Info & Guides
Product Overview
- Versatile solution for anchoring a variety of projects
- Qualified for use in seismic zones
- Ideal for concrete and grout-filled block
Compare Similar Masonry & Concrete Anchors
 | | |  | |
| Brand | Simpson Strong-Tie | Simpson Strong-Tie | Simpson Strong-Tie | Simpson Strong-Tie |
| Name | Strong-Bolt 1/2 in. x 3-3/4 in. Zinc-Plated Wedge Anchor | Strong-Bolt 1/2 in. x 4-1/4 in. Zinc-Plated Wedge Anchor | Strong-Bolt 1/2 in. x 5-1/2 in. Zinc-Plated Wedge Anchor | Strong-Bolt 5/8 in. x 5 in. Zinc-Plated Wedge Anchor |
| Price | $250 | $285 | $365 | $425 |
| Ratings | (48) | (47) | (52) | (31) |
| Fastener Length (in.) | 3.75 | 4.25 | 5.5 | 5 |
| Fastener Head Style | No Head | No Head | No Head | No Head |
| Fastener/Connector Material | Steel | Steel | Steel | Steel |
| Package Quantity | 1 | 1 | 1 | 1 |
| Maximum Weight Capacity (lb.) | 0.00 | 0.00 | 0.00 | 0.00 |
| Finish Family | Zinc | Zinc | Zinc | Zinc |
| Anchor Diameter (in.) | 1/2" | 1/2" | 1/2" | 5/8" |
| Fastener Type | Wedge Anchors | Wedge Anchors | Wedge Anchors | Wedge Anchors |
| View Product | View Product | View Product | View Product |
Compare Similar Masonry & Concrete Anchors
| | | | |
| Brand | Simpson Strong-Tie | Simpson Strong-Tie | Simpson Strong-Tie | Simpson Strong-Tie |
| Name | Strong-Bolt 1/2 in. x 3-3/4 in. Zinc-Plated Wedge Anchor | Strong-Bolt 1/2 in. x 4-1/4 in. Zinc-Plated Wedge Anchor | Strong-Bolt 1/2 in. x 5-1/2 in. Zinc-Plated Wedge Anchor | Strong-Bolt 5/8 in. x 5 in. Zinc-Plated Wedge Anchor |
| Price | $250 | $285 | $365 | $425 |
| Ratings | (48) | (47) | (52) | (31) |
| Fastener Length (in.) | ||||
| Fastener Head Style | ||||
| Fastener/Connector Material | ||||
| Package Quantity | ||||
| Maximum Weight Capacity (lb.) | ||||
| Finish Family | ||||
| Anchor Diameter (in.) | ||||
| Fastener Type | ||||
| View Product | View Product | View Product | View Product |
Key Features
The Professional’s Choice for Anchoring
Titen HD® heavy-duty screw anchors install 5x faster than typical wedge anchors
Fastening for Concrete and Masonry
Titen® 2 concrete and masonry screws are ideal for commercial and residential applications
Indoor or Outdoor Anchoring Solutions
Strong-Bolt® 2 wedge anchor provides heavy-duty structural anchoring in both indoor and outdoor applications
Removable Anchors Offer Installation Flexibility
Titen HD heavy-duty screw anchors are ideal for projects where anchors may need to be removed
Sheetrock Installation Tips and Tricks
Use Titen 2 concrete and masonry screws to attach furring strips for sheetrock installation
Overhead Anchoring Made Easy
Titen HD rod hangers and DIA drop-ins are ideal for installing mechanical, electrical or plumbing overhead
Concrete Anchoring Tips and Tricks
Code-listed for seismic and cracked-concrete applications
Screw Anchor
Can be installed closer to concrete edge than wedge anchors
Concrete/Masonry Screws
Patented thread design for faster installation
Overhead Rod Hanger
No secondary setting needed to install overhead anchor
Drop-In Anchor
Flush-mount anchoring into concrete
Wedge Anchor
Strong-Bolt 2 wedge anchor tested for performance in concrete or grout-filled block
Sleeve Anchor
Ideal for anchoring into softer materials, such as brick
Specifications
Dimensions
Details
Warranty / Certifications
Questions & Answers
How much force from wind can this bolt handle. What is the strength of the connection it makes?
Asked by AM123 October 21, 2020There are different factors to be considered with the allowable loads for anchors (i.e. concrete strength, anchor spacing, edge distance, etc.). Please contact the Engineering Support Department at your regional Simpson Strong-Tie branch for assistance - 800/999-5099. Thank you!
What the min. insertion depth?
Asked by kegs May 5, 2020It depends on the application. Please contact our Engineering Support Department with further information and they can assist with your inquiry - 800/999-5099. Thank you!
will this rust outside in the rain?
Asked by ph0ngluu April 4, 2020Not right away, it’s zinc plated. Not sure if they make it in stainless steel.
What size socket does the nut require?
Asked by NickName March 30, 2020The wrench size for the 1/2" STB2 anchors is 3/4". Thank you!
For this and all the bolts listed on this pages, Home Depot/ the manufacturer have the following:...
Asked by MoreCoffee January 15, 2020Once these anchors have been properly installed, You cannot pull them out. You Must cut them to remove the material you have fastened.
Can these be set directly into concrete while it's being poured?
Asked by diyguy July 15, 2019Can these be set directly into concrete while it's being poured?
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