- Made for overhead fastening applications into concrete
- Secures transformers, ceiling fans, light fixtures and more
- 50-pack offers added value to your project needs
- See More Details
Frequently Bought Together
Product Overview
- Designed for fastening into solid concrete
- Internally threaded
- Pre-assembled plug cannot fall out during installation
- Ideal for overhead threaded rod applications
- 4-way slot for dependable anchor expansion
- Learn more about concrete anchors here.
Info & Guides
Product Overview
- Made for overhead fastening applications into concrete
- Secures transformers, ceiling fans, light fixtures and more
- 50-pack offers added value to your project needs
Compare Similar Drop In Anchors
 | |  |  | |
| Brand | Simpson Strong-Tie | Red Head | Hilti | Simpson Strong-Tie |
| Name | DIA Drop-In Internally Threaded Anchor for 3/8-in. Rod (40-Pack) | 3/8 in. x 1-5/8 in. Steel Drop-In Anchors (50-Pack) | HS-SC 6 in. TE-C Kwik Bolt Mechanical Setting Tool | Wedge-All 3/8 in. x 2-1/4 in. Zinc-Plated Expansion Anchor (50-Pack) |
| Price | $998 | $1245 | $1900 | $2437 |
| Ratings | (10) | (33) | (27) | (2) |
| Anchor Diameter (in.) | 3/8" | 3/8" | 3/8" | 3/8" |
| Fastener Length (in.) | 1.5625 | 1.625 | 6 | 2.25 |
| Package Quantity | 40 | 50 | 1 | 50 |
| Interior/Exterior | Interior | Interior | Exterior,Interior | Interior |
| Fastener Plating | Zinc | Zinc | Zinc | Zinc |
| Measurement Standard | SAE | SAE | USS | SAE |
| View Product | View Product | View Product | View Product |
Compare Similar Drop In Anchors
| | | | |
| Brand | Simpson Strong-Tie | Red Head | Hilti | Simpson Strong-Tie |
| Name | DIA Drop-In Internally Threaded Anchor for 3/8-in. Rod (40-Pack) | 3/8 in. x 1-5/8 in. Steel Drop-In Anchors (50-Pack) | HS-SC 6 in. TE-C Kwik Bolt Mechanical Setting Tool | Wedge-All 3/8 in. x 2-1/4 in. Zinc-Plated Expansion Anchor (50-Pack) |
| Price | $998 | $1245 | $1900 | $2437 |
| Ratings | (10) | (33) | (27) | (2) |
| Anchor Diameter (in.) | ||||
| Fastener Length (in.) | ||||
| Package Quantity | ||||
| Interior/Exterior | ||||
| Fastener Plating | ||||
| Measurement Standard | ||||
| View Product | View Product | View Product | View Product |
Specifications
Dimensions
Details
Warranty / Certifications
Questions & Answers
What is thread size 3/8" X ?
Asked by big December 9, 20163/8x16
What screw threads does this accept?
Asked by fuzzylogic April 4, 20171/2"-13
Can these be used outdoors since they are zinc coated. Specs say indoor use.
Asked by Mary June 21, 2017can be used out doors in areas that are not exposed to constant water as they will eventually corrode
These are suggested for overhead applications. Can they be used for installing toilet flange to concrete sub floor?
Asked by Jb July 31, 2016Yes, you can use these anchor in sub floor applications. With a drop-in anchor you will have to use a threaded rod and a nut that will protrude. Please use a 3/8" concrete drill bit and the right setting tool. Another option is using Tapcon concrete screw anchors. You don't need a setting tool to install Tapcons and they are removable. Please contact technical service at 800-899-7890 if you have additional questions.
Can these be used to install scissor gate on cement wall on a commercial building to dock entrance?
Asked by Sound October 4, 2016Dear Sound, thank you for your recent inquiry. Red Head steel drop-in anchors are designed for concrete applications. It sounds like the cement wall you are talking about is concrete. You can find detailed performance data and installation instructions at www.itwredhead.com. Please contact our technical support at (800)726-7386 from 8:30 - 4:30 CT Monday - Friday to get more assistance on your specific application.
Is this product usable within exterior residential foundation wall?
Asked by Macrodot March 7, 2018Hi Macrodot, we do not recommend this anchor for exterior usage, as it is not corrosion resistant. If you have any further questions, please contact customer service at 877-489-2726
How much weight can it hold
Asked by Mike August 16, 2018The weight capacity for the anchor depends on the surface material it is attached to.
What is the tensile load rating of the 1/2 inch anchor when set in 4000psi concrete?
Asked by BigNeil August 27, 2020No installation tool sent with anchors to find out.
What is the internal thread size and what "version" is this?
Asked by Fastener May 25, 2017The internal thread size is 1/2"-13 The version is an "RL"
I want to anchor down a portable Gazebo to my concrete patio. will this hold it down if we get high winds
Asked by chuck October 7, 2014Without more design details on your Gazebo it is impossible to determine. A 100 MPH wind will press about 40 lbs/sqft on the projected area of the gazebo. If the vertical center of this projected area is as high as the gazebo is wide the pressure would be translated to uplift on the windward side. One half the weight of the gazebo would be subtracted from this uplift. You will then need two times enough anchors to counter the remaining uplift by 1.5 times for safety. I would suggest using 1/2 inch anchors evenly spaced around the gazebo. Redhead will have the design pullout strength of the anchors on there web site.
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