Internet #300591990

Model # STB2-50414R25

Store SKU #1002236693

0707392797074

Simpson Strong-Tie

Strong-Bolt 1/2 in. x 4-1/4 in. Zinc-Plated Wedge Anchor (25-Pack)

  • Versatile solution for anchoring a variety of projects
  • Qualified for use in seismic zones
  • Ideal for concrete and grout-filled block
$ 23 98 /package
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Frequently Bought Together

Frequently Bought Together

Product Overview

  • Versatile solution for anchoring a variety of projects
  • Qualified for use in seismic zones
  • Ideal for concrete and grout-filled block
From complex infrastructure projects to do-it-yourself ventures, Simpson Strong-Tie offers a wide variety of anchoring products to meet virtually any need. Our mechanical anchors are designed to install easily and securely into a variety of base materials, including concrete and brick to hollow and grouted CMU. They offer optimal performance even in the most demanding structural applications. The Strong‑Bolt 2 is a wedge-type expansion anchor designed for optimal performance in cracked and uncracked concrete as well as uncracked masonry.
  • 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
  • California residents see Prop 65 WARNINGS

Product Overview

  • Versatile solution for anchoring a variety of projects
  • Qualified for use in seismic zones
  • Ideal for concrete and grout-filled block
Model #: STB2-50414R25
Sku #: 1002236693
Internet #: 300591990

From complex infrastructure projects to do-it-yourself ventures, Simpson Strong-Tie offers a wide variety of anchoring products to meet virtually any need. Our mechanical anchors are designed to install easily and securely into a variety of base materials, including concrete and brick to hollow and grouted CMU. They offer optimal performance even in the most demanding structural applications. The Strong‑Bolt 2 is a wedge-type expansion anchor designed for optimal performance in cracked and uncracked concrete as well as uncracked masonry.

  • 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
  • California residents see Prop 65 WARNINGS

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Key Features

Product Overview
Key Features
  • Versatile solution for anchoring a variety of projects
  • Qualified for use in seismic zones
  • Ideal for concrete and grout-filled block
From complex infrastructure projects to do-it-yourself ventures, Simpson Strong-Tie offers a wide variety of anchoring products to meet virtually any need. Our mechanical anchors are designed to install easily and securely into a variety of base materials, including concrete and brick to hollow and grouted CMU. They offer optimal performance even in the most demanding structural applications. The Strong‑Bolt 2 is a wedge-type expansion anchor designed for optimal performance in cracked and uncracked concrete as well as uncracked masonry.
  • 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
  • California residents see Prop 65 WARNINGS

Product Overview

  • Versatile solution for anchoring a variety of projects
  • Qualified for use in seismic zones
  • Ideal for concrete and grout-filled block
Model #: STB2-50414R25
Sku #: 1002236693
Internet #: 300591990

From complex infrastructure projects to do-it-yourself ventures, Simpson Strong-Tie offers a wide variety of anchoring products to meet virtually any need. Our mechanical anchors are designed to install easily and securely into a variety of base materials, including concrete and brick to hollow and grouted CMU. They offer optimal performance even in the most demanding structural applications. The Strong‑Bolt 2 is a wedge-type expansion anchor designed for optimal performance in cracked and uncracked concrete as well as uncracked masonry.

  • 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
  • California residents see Prop 65 WARNINGS

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Compare Similar

Compare Similar Products
Brand Simpson Strong-Tie Red Head Simpson Strong-Tie Simpson Strong-Tie
Name Strong-Bolt 5/8 in. x 5 in. Zinc-Plated Wedge Anchor (10-Pack) 1/2 in. x 4 in. Steel Hex-Head Sleeve Anchors (25-Pack) Strong-Bolt 1/2 in. x 4-1/4 in. Zinc-Plated Wedge Anchor (25-Pack) Strong-Bolt 3/4 in. x 5-1/2 in. Zinc-Plated Wedge Anchor (10-Pack)
Price
$19.35 /package
$22.98
$23.98 /package
$28.25 /package
Ratings (9) (21) (13) (13)
Finish Family Zinc Zinc Zinc
Maximum Weight Capacity (lb.) 0.00 0 0.00 0.00
Package Quantity 10 25 25 10
Fastener Length (in.) 5 4 4.25 5.5
View Product View Product View Product View Product

Specifications

Dimensions

Anchor Diameter (in.)
1/2"
Anchor Length (in.)
4.25
Fastener Length (in.)
4.25
Required Drill Hole Size (in.)
0.5

Details

Color Family
Steel
Fastener Head Style
No Head
Fastener Plating
Other
Fastener Type
Wedge Anchors
Fastener/Connector Material
Steel
Features
No Additional Features
Finish
Zinc-Plated Carbon Steel
Finish Family
Zinc
Included
No Additional Items Included
Interior/Exterior
Interior
Maximum Weight Capacity (lb.)
0.00
Measurement Standard
SAE
Package Quantity
25
Product Weight (lb.)
6.5625 lb
Returnable
90-Day

Warranty / Certifications

Manufacturer Warranty
Yes

Specifications

Dimensions

Anchor Diameter (in.)
1/2"
Anchor Length (in.)
4.25
Fastener Length (in.)
4.25
Required Drill Hole Size (in.)
0.5

Details

Color Family
Steel
Fastener Head Style
No Head
Fastener Plating
Other
Fastener Type
Wedge Anchors
Fastener/Connector Material
Steel
Features
No Additional Features
Finish
Zinc-Plated Carbon Steel
Finish Family
Zinc
Included
No Additional Items Included
Interior/Exterior
Interior
Maximum Weight Capacity (lb.)
0.00
Measurement Standard
SAE
Package Quantity
25
Product Weight (lb.)
6.5625 lb
Returnable
90-Day

Warranty / Certifications

Manufacturer Warranty
Yes

Questions & Answers

Can these be set directly into concrete while it's being poured?

Can these be set directly into concrete while it's being poured?
Asked by: diyguy
We can only support the installation of our products as they were designed/tested. The Strong-Bolt 2 is a wedge-type expansion anchor and was designed/tested for installation in drilled holes in existing concrete (cracked and uncracked) as well as uncracked masonry. Thank you!
Answered by: SimpsonStrong-Tie
Date published: 2019-07-19
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Customer Reviews

Strong-Bolt 1/2 in. x 4-1/4 in. Zinc-Plated Wedge Anchor (25-Pack) is rated 4.8 out of 5 by 13.
Rated 5 out of 5 by from I used a longer version of these bolts (about 5" or 6" length x 1/2" diameter) recently and found... I used a longer version of these bolts (about 5" or 6" length x 1/2" diameter) recently and found the quality to be high, and installation easy. Just be sure to clean out the hole (using a vacuum or compressed air) before bolt insertion. I used a hammer to tap the bolt into the hole and backed the nut out so it was almost flush with the bolt shaft to avoid any chance of thread damage while tapping the bolt into the hole.
Date published: 2019-07-16
Rated 5 out of 5 by from We use these to anchor rack uprights for storage. Works great. We use these to anchor rack uprights for storage. Works great.
Date published: 2019-05-28
Rated 5 out of 5 by from great product, as i expected... great product, as i expected
Date published: 2019-08-13
Rated 5 out of 5 by from Great reliable Anchor Bolt.... Great reliable Anchor Bolt.
Date published: 2019-07-31
Rated 5 out of 5 by from perfect... used it to bolt down a gazebo. perfect... used it to bolt down a gazebo.
Date published: 2019-03-19
Rated 5 out of 5 by from Ease to use Ease to use
Date published: 2019-05-07
Rated 5 out of 5 by from Product worked as described. Product worked as described.
Date published: 2019-02-19
Rated 4 out of 5 by from Works as advertised. H/D used to carry Red Head,... Works as advertised. H/D used to carry Red Head, now they carry these. They install just as easily as the previous brand and work just as well. I use these at work to the tune of a couple hundred in a typical year, twice that or more if a major project comes along.
Date published: 2019-01-02
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