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SKU: STB2-50512F25
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1/2" x 5-1/2" Strong-Tie Strong Bolt 2 Wedge Anchor Fully-Assembled, Zinc Plated, Pkg 25

Regular price $3299
Ships Nov 12 when you order now

Description

Simpson Strong-Tie Strong-Bolt 2 Wedge Anchors

The Simpson Strong-Tie Strong-Bolt 2 wedge anchors are high-performance, fully assembled mechanical anchors engineered for reliable anchoring into cracked and uncracked concrete. Trusted for seismic and high-load applications, these anchors meet ICC-ES code requirements (ICC-ES ESR-3037) and are designed to deliver consistent holding strength with straightforward installation.

Strong-Bolt 2 Wedge Anchors - Code-Compliant Concrete Anchoring

Designed for both structural and non-structural applications, Strong-Bolt 2 anchors come preassembled with the anchor body, nut, and washer for job-ready efficiency. Available in multiple diameters, lengths, and finishes, they provide versatile solutions for everything from base plates to safety-critical infrastructure.

Key Features

  • ICC-ES ESR-3037 Approved: Rated for cracked and uncracked concrete, including seismic and wind loading.
  • Fully Assembled Design: Includes nut and washer to reduce installation time and steps.
  • Tapered Expansion Clip: Delivers consistent holding power under dynamic and seismic loads.
  • Multiple Finish Options: Available in zinc-plated, hot-dip galvanized, and stainless steel for varying environments.

Common Applications

  • Structural steel base plates
  • Racking and shelving systems
  • Concrete formwork and equipment anchoring
  • Mechanical, electrical, and plumbing supports
  • Light poles, handrails, and safety barriers

Installation Tips

  • Drill a hole using a carbide-tipped bit matching the anchor diameter.
  • Clean the hole thoroughly to remove dust and debris before installation.
  • Tighten the nut to set the anchor, refer to Simpson Strong-Tie torque specifications by size.

California Residents: WARNING

Specifications

Diameter: 1/2"
Length: 5-1/2"
Thread Length: 3-13/16"
Fixture Hole Size: 9/16"
Drill Bit Size: 1/2"
Wrench Size: 3/4"
Material: Carbon Steel
Finish: Zinc Plated
Installation Torque: 60 ft.-lbf.
Manufacturer Name: Simpson Strong-Tie
Quantity: 25
Additional Info: Anchor Body Material: Carbon Steel
Nut Material: Carbon Steel ASTM A563, Grade A
Washer Material: Carbon Steel ASTM F844
Clip Material: Carbon Steel ASTM A568

Reviews
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Customer Reviews

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C
Chuck K
Quality

Simpson is reputable with good quality. Fasteners Plus gets it to us quick

s
scott w
GREAT CUSTOMER SUPPORT

I am more than Satisfied with Fasteners Plus. I will without doubt be doing business again.

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1-2 day shipping

Fast, Same-Day Shipping

Our multiple distribution centers allow us to reach nearly 80% of the U.S. within 1-2 business days for all in-stock items. With thousands of items in stock & ready to ship, orders placed before 4:00pm CST ship out the same day.

Employee-owned

Industry-best Customer Service

As employee-owners, we take customer service very seriously. Our team members are dedicated, professionally-trained, and have decades of combined experience serving the industry. Always speak with a real person and never wait more than 1 business day.

Manufactured in Iowa Headquarters

Custom Product Solutions

Our Iowa-based 23,000 square foot manufacturing facility was carefully crafted for the high quality, custom production of tie-down straps and chains, lifting slings, cargo nets, and more. Your vision brought to life.

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