Description
Product Overview
The Simpson Strong‑Tie STB2‑50700 Strong‑Bolt Wedge Anchor is engineered for demanding concrete fastening tasks where strength, durability, and reliability are paramount. Measuring 1/2 inch in diameter and 7 inches in length, this zinc‑finished bolt combines a robust hex head with a precision‑cut wedge shape that delivers consistent pull‑out resistance. The chamfered top design is specifically crafted to prevent mushrooming during installation, ensuring a clean, secure embedment even in high‑stress applications. Certified to meet ACI355.2 and AC193 standards, the anchor is qualified for both static and seismic loading conditions across design categories A through F, making it suitable for a wide range of structural and non‑structural projects. Each package contains 25 individually packaged anchors, each weighing approximately 9.22 pounds, providing ample inventory for large‑scale construction sites or smaller renovation jobs. The zinc coating offers corrosion resistance, extending the service life of the fastener in harsh environments while maintaining the mechanical properties required for load‑bearing applications.
![[Product front view showing all components]](https://www.keloro.store/wp-content/uploads/2026/07/65407f52833348febe6e0c5575ac46da.jpg)
Usage
Designed for concrete applications, this wedge anchor excels in both new construction and retrofit scenarios. It can be installed horizontally, vertically, or overhead, providing flexibility for anchoring structural steel, equipment, and fixtures in a variety of orientations. The anchor’s 5 5/16 thread size ensures compatibility with standard nuts and washers, facilitating quick and secure connections. Whether you are anchoring a heavy‑duty electrical panel, securing a mechanical system, or fastening a structural support, the STB2‑50700 delivers the performance needed to meet code‑mandated load requirements. Its seismic‑rated capabilities make it an ideal choice for regions prone to earthquakes, where compliance with seismic design criteria is essential. The product’s straightforward installation process—drill a hole to the specified depth, insert the wedge anchor, and tighten the nut—allows contractors and skilled DIYers alike to achieve reliable results with minimal training. The anchor’s versatility also extends to industrial equipment mounting, safety rail installations, and anchoring of heavy machinery, providing a trusted solution across a broad spectrum of industrial and scientific applications.
Why Choose Us
Choosing the Simpson Strong‑Tie STB2‑50700 means selecting a product backed by decades of engineering expertise and rigorous testing. Each anchor undergoes comprehensive quality control procedures, including tensile strength verification and corrosion resistance assessment, ensuring that every unit meets the high standards expected by professionals. The zinc finish not only protects against rust but also maintains the anchor’s structural integrity over time, reducing the need for frequent replacements. Our commitment to customer satisfaction includes responsive technical support, detailed installation guidelines, and a robust warranty that underscores confidence in product performance. By partnering with Simpson Strong‑Tie, you gain access to a trusted brand recognized worldwide for its dedication to safety, reliability, and innovation in fastening solutions. Additionally, the packaging of 25 pieces per case is optimized for inventory management, allowing you to streamline procurement and reduce handling costs on large projects. When you select this wedge anchor, you benefit from a combination of proven engineering, superior material selection, and a service network designed to keep your projects on schedule and within budget.
Key Features
- Chamfered top prevents mushrooming, ensuring a clean, secure embedment.
- Zinc finish provides corrosion resistance for long‑term durability in harsh environments.
- Qualified for static and seismic loading, meeting ACI355.2 and AC193 standards.
- Versatile installation options for horizontal, vertical, and overhead applications.
- Dedicated customer support and technical assistance for seamless project execution.
FAQ
What is the recommended hole depth for installing this wedge anchor?
The hole should be drilled to a depth that is at least 1.5 times the anchor length, ensuring a minimum embedment of 5.5 inches for the 7‑inch anchor. This depth provides optimal pull‑out strength and allows the wedge to fully expand within the concrete.
Can this anchor be used in masonry or brick walls?
While the STB2‑50700 is primarily designed for concrete, it can be used in solid brick or masonry when a suitable epoxy or mortar is applied to fill gaps and provide additional bonding strength. However, for critical load‑bearing applications, a concrete‑specific anchor is recommended.
Is the zinc coating sufficient for outdoor or marine environments?
The zinc coating offers good corrosion resistance for most outdoor applications, including exposed concrete structures. For marine environments with high salinity, a stainless‑steel or galvanized variant may be more appropriate to ensure extended service life.
How many anchors are included in each package and what is the total weight?
Each package contains 25 wedge anchors, with a total weight of approximately 9.22 pounds per anchor, resulting in a combined weight of about 230 pounds per case. This quantity is ideal for large‑scale projects and simplifies inventory management.
Do these anchors require any special tools for installation?
No special tools are required beyond a standard hammer drill with a carbide‑tipped bit sized to the anchor diameter, a wrench or socket for tightening the hex head, and a torque wrench to achieve the recommended installation torque. All necessary hardware is included with the product.




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