Product Features
Product Description
Simpson STB2-50812MGF20 Strong-Bolt 2 - 1/2 in. x 8-1/2 in. Mechanically Galvanized Wedge Anchor is a heavy-duty wedge-type expansion anchor from Simpson Strong-Tie, engineered for high-load-resisting performance in exterior concrete and masonry applications. The mechanically galvanized carbon steel construction provides corrosion resistance suited for demanding outdoor environments, while dual undercutting embossments on each clip segment deliver exceptional holding strength in both uncracked concrete and uncracked masonry.
Key Features
- Chamfered top designed to prevent mushrooming during installation
- Suitable for horizontal, vertical and overhead applications
- Standard (ANSI) fractional sizes: fits standard fixtures and installs with common drill bit and tool sizes
- Tested per ACI355.2 and AC193
- Mechanically galvanized carbon steel construction for corrosion resistance in exterior applications
- Dual undercutting embossments on each clip segment for reliable expansion and load resistance
- Tested in uncracked concrete per AC193 and uncracked masonry per AC01
Specifications
- MPN: STB2-50812MGF20
- Brand: Simpson Strong-Tie
- Diameter: 1/2 in.
- Length: 8-1/2 in.
- Thread Length: 6 in.
- Material: Carbon Steel
- Coating: Mechanically Galvanized
- Finish: Mechanically Galvanized
- Installation: Installs with 1/2 in. drill bit and 3/4 in. wrench size
- Packaging: Packs of 20 and Cartons of 40
- Country of Origin: China
Approved Applications
- Horizontal installations in concrete and masonry
- Vertical installations in concrete and masonry
- Overhead installations in concrete and masonry
- High-load exterior anchoring applications
- Uncracked concrete applications tested per AC193
- Uncracked masonry applications tested per AC01
Frequently Asked Questions
- What drill bit size is required to install the STB2-50812MGF20?
- The STB2-50812MGF20 installs with a 1/2 in. drill bit and requires a 3/4 in. wrench size for tightening, conforming to standard ANSI fractional sizing for compatibility with common tools and fixtures.
- Is this wedge anchor suitable for outdoor and exterior use?
- Yes. The mechanically galvanized carbon steel construction makes this anchor appropriate for exterior applications where enhanced corrosion resistance is required compared to standard zinc-electroplated anchors.
- In what orientations can the Strong-Bolt 2 wedge anchor be installed?
- The STB2-50812MGF20 is suitable for horizontal, vertical, and overhead applications, providing installation flexibility across a wide range of structural anchoring scenarios.
- What standards has this anchor been tested to?
- The Strong-Bolt 2 mechanically galvanized anchor is tested per ACI355.2 and AC193 for uncracked concrete, and also per AC01 for uncracked masonry, ensuring verified performance across both substrate types.
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
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